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Assignee profile:

SUMITOMO METAL MINING CO., LTD.

City:

Tokyo

Country:

Japan

Published Applications:

797

Last publication date:

2026-04-23

Patent Grants:

649

Last grant date:

2026-01-20

Quarterly SUMITOMO METAL MINING CO., LTD. Patent Applications

Top Inventors for applications by SUMITOMO METAL MINING CO., LTD.

These are the the leading inventors for applications assigned to SUMITOMO METAL MINING CO., LTD.:

Recent patent applications by SUMITOMO METAL MINING CO., LTD.

SUMITOMO METAL MINING CO., LTD. based in Tokyo, JP has been assigned the rights to these inventions. The list includes both Pending Applications and Patent Grants:

#1 | 2026-04-23
US20260112611A1
Electricity

LITHIUM-ION SECONDARY BATTERY POSITIVE ELECTRODE MATERIAL AND METHOD FOR MANUFACTURING SAME, LITHIUM-ION SECONDARY BATTERY POSITIVE ELECTRODE, AND LITHIUM-ION SECONDARY BATTERY

 #2 | 2026-04-23
US20260110114A1
Textiles; paper

INFRARED SHIELDING FIBER STRUCTURE AND CLOTHING EMPLOYING SAME

 #3 | 2026-04-09
US20260100433A1
Electricity

VALUABLE METAL PRODUCTION METHOD

 #4 | 2026-04-09
US20260098321A1
Chemistry; metallurgy

METHOD FOR PRODUCING LITHIUM-CONTAINING SOLUTION

 #5 | 2026-03-19
US20260081148A1
Electricity

NICKEL MANGANESE COBALT COMPOSITE HYDROXIDE, METHOD FOR PRODUCING NICKEL MANGANESE COBALT COMPOSITE HYDROXIDE, LITHIUM NICKEL MANGANESE COBALT COMPOSITE OXIDE, AND LITHIUM ION SECONDARY BATTERY

 #6 | 2026-03-12
US20260071294A1
Chemistry; metallurgy

METHOD FOR RECOVERING VALUABLE METALS

 #7 | 2026-03-05
US20260066286A1
Electricity

METAL COMPOSITE HYDROXIDE AND METHOD FOR PRODUCING SAME, POSITIVE ELECTRODE ACTIVE MATERIAL FOR NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY AND METHOD FOR PRODUCING SAME, AND NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY USING SAME

 #8 | 2026-03-05
US20260062766A1
Chemistry; metallurgy

METHOD FOR RECOVERING VALUABLE METALS

 #9 | 2026-01-29
US20260028241A1
Chemistry; metallurgy

NICKEL MANGANESE COBALT COMPOSITE HYDROXIDE, METHOD FOR PRODUCING NICKEL MANGANESE COBALT COMPOSITE HYDROXIDE, LITHIUM NICKEL MANGANESE COBALT COMPOSITE OXIDE, AND LITHIUM ION SECONDARY BATTERY

 #10 | 2025-11-06
US20250343289A1
Electricity

LITHIUM-CONTAINING SLAG AND METHOD FOR PRODUCING VALUABLE METAL

 #11 | 2025-09-11
US20250286160A1
Electricity

ALLOY PROCESSING METHOD

 #12 | 2025-08-28
US20250269427A1
Performing operations; transporting

GOLD POWDER AND METHOD OF PRODUCING THE SAME

 #13 | 2025-05-29
US20250170640A1
Performing operations; transporting

COPPER POWDER AND METHOD FOR PRODUCING COPPER POWDER

 #14 | 2025-05-15
US20250158147A1
Electricity

PRODUCTION METHOD FOR VALUABLE METALS

 #15 | 2025-05-01
US20250137088A1
Chemistry; metallurgy

METHOD FOR PRODUCING VALUABLE METALS

 #16 | 2025-04-17
US20250125433A1
Electricity

METHOD FOR RECOVERING VALUABLE METALS

 #17 | 2025-04-17
US20250122362A1
Chemistry; metallurgy

INFRARED ABSORBING COMPOSITE FINE PARTICLES, INFRARED ABSORBING FINE PARTICLE DISPERSION LIQUID, AND INFRARED ABSORBING FINE PARTICLE DISPERSION BODY

 #18 | 2025-04-10
US20250118820A1
Electricity

METHOD FOR PRODUCING VALUABLE METAL

 #19 | 2025-03-20
US20250091035A1
Performing operations; transporting

METHOD FOR PRODUCING GRANULATED BODY FOR LITHIUM ADSORPTION

 #20 | 2025-02-06
US20250043383A1
Chemistry; metallurgy

TREATMENT METHOD FOR ALLOY

 #21 | 2025-01-09 ✅ Patent 12,531,240 granted on 2026-01-20
US20250015283A1
Electricity

POSITIVE ELECTRODE ACTIVE MATERIAL FOR ALL-SOLID-STATE LITHIUM ION SECONDARY BATTERY AND METHOD FOR MANUFACTURING THE SAME

 #22 | 2025-01-02
US20250003027A1
Chemistry; metallurgy

METHOD FOR PROCESSING ALLOY

 #23 | 2025-01-02
US20250002727A1
Chemistry; metallurgy

ANTIMOLD EMULSION COATING MATERIAL, ANTIMOLD FINE PARTICLE DISPERSION, AND ARTICLE WITH ANTIMOLD FINE PARTICLE DISPERSION

 #24 | 2024-11-28
US20240392408A1
Chemistry; metallurgy

ALLOY TREATMENT METHOD

 #25 | 2024-11-28
US20240391786A1
Chemistry; metallurgy

METHOD FOR PRODUCING LITHIUM HYDROXIDE

 #26 | 2024-11-21
US20240387894A1
Electricity

METHOD FOR PRODUCING VALUABLE METAL

 #27 | 2024-11-14
US20240375971A1
Chemistry; metallurgy

METHOD FOR PRODUCING LITHIUM HYDROXIDE

 #28 | 2024-10-17 ✅ Patent 12,620,589 granted on 2026-05-05
US20240347719A1
Electricity

METHOD FOR PRODUCING POSITIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY AND METHOD FOR PRODUCING POSITIVE ELECTRODE FOR LITHIUM SECONDARY BATTERY

 #29 | 2024-10-03
US20240327947A1
Chemistry; metallurgy

MINERAL PROCESSING METHOD

 #30 | 2024-09-26
US20240318282A1
Chemistry; metallurgy

METHOD FOR PROCESSING ALLOY

 #31 | 2024-09-26
US20240318281A1
Chemistry; metallurgy

PRODUCTION METHOD FOR VALUABLE METALS

 #32 | 2024-09-19
US20240308864A1
Chemistry; metallurgy

METHOD FOR PRODUCING LITHIUM CONTAINING SOLUTION AND METHOD FOR PRODUCING LITHIUM HYDROXIDE

 #33 | 2024-08-29
US20240284913A1
Human necessities

ANTIBACTERIAL MATERIAL, ANTIBACTERIAL MATERIAL DISPERSION LIQUID, ANTIBACTERIAL MATERIAL DISPERSION BODY, AND METHOD FOR PRODUCING THEM

 #34 | 2024-08-22
US20240283043A1
Electricity

METHOD OF PRODUCING VALUABLE METAL

 #35 | 2024-08-22 ✅ Patent 12,592,385 granted on 2026-03-31
US20240282959A1
Electricity

METHOD FOR MANUFACTURING POSITIVE-ELECTRODE ACTIVE MATERIAL PRECURSOR AND POSITIVE-ELECTRODE ACTIVE MATERIAL FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERY

 #36 | 2024-08-08 ✅ Patent 12,500,283 granted on 2025-12-16
US20240266627A1
Electricity

METHOD FOR TREATING ALLOY

 #37 | 2024-08-08 ✅ Patent 12,381,214 granted on 2025-08-05
US20240266526A1
Electricity

NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY POSITIVE ELECTRODE ACTIVE MATERIAL AND METHOD FOR PRODUCING SAME, AND NONAQUEOUS ELECTROLYTE SECONDARY BATTERY WHICH USES POSITIVE ELECTRODE ACTIVE MATERIAL

 #38 | 2024-08-08
US20240263271A1
Chemistry; metallurgy

METHOD FOR PRODUCING VALUABLE METAL

 #39 | 2024-07-18
US20240240281A1
Chemistry; metallurgy

METHOD FOR PRODUCING VALUABLE METAL

 #40 | 2024-07-18 ✅ Patent 12,589,380 granted on 2026-03-31
US20240238760A1
Performing operations; transporting

PRODUCING METHOD OF GRANULATED BODY FOR LITHIUM ADSORPTION

 #41 | 2024-07-11 ✅ Patent 12,381,215 granted on 2025-08-05
US20240234710A1
Electricity

NONAQUEOUS ELECTROLYTE SECONDARY BATTERY POSITIVE ELECTRODE ACTIVE MATERIAL AND METHOD FOR PRODUCING SAME, AND NONAQUEOUS ELECTROLYTE SECONDARY BATTERY WHICH USES POSITIVE ELECTRODE ACTIVE MATERIAL

 #42 | 2024-07-11 ✅ Patent 12,637,361 granted on 2026-05-26
US20240228320A1
Chemistry; metallurgy

PRODUCTION METHOD FOR COBALT SULFATE

 #43 | 2024-06-27
US20240215455A1
Electricity

MAGNETOSTRICTIVE MEMBER AND METHOD FOR MANUFACTURING MAGNETOSTRICTIVE MEMBER

 #44 | 2024-06-20
US20240204275A1
Electricity

METHOD FOR PRODUCING VALUABLE METAL

 #45 | 2024-06-20
US20240204274A1
Electricity

METHOD FOR PRODUCING VALUABLE METAL

 #46 | 2024-06-20
US20240200873A1
Mechanical engineering

ELECTRIC FURNACE AND METHOD FOR PRODUCING VALUABLE METAL

 #47 | 2024-06-06
US20240186505A1
Electricity

NICKEL-CONTAINING COMPOSITE HYDROXIDE AND PRODUCTION PROCESS THEREFOR, POSITIVE-ELECTRODE ACTIVE MATERIAL FOR A NONAQUEOUS-ELECTROLYTE SECONDARY BATTERY AND PRODUCTION PROCESS THEREFOR, AND NONAQUEOUS-ELECTROLYTE SECONDARY BATTERY

 #48 | 2024-05-23 ✅ Patent 12,448,325 granted on 2025-10-21
US20240166555A1
Chemistry; metallurgy

OPTICAL FILM, SPUTTERING TARGET, AND METHOD OF PRODUCING OPTICAL FILM

 #49 | 2024-04-18 ✅ Patent 12,538,710 granted on 2026-01-27
US20240130241A1
Electricity

MAGNETOSTRICTIVE MEMBER AND METHOD FOR MANUFACTURING MAGNETOSTRICTIVE MEMBER

 #50 | 2024-04-11
US20240117485A1
Chemistry; metallurgy

SPUTTERING TARGET AND METHOD FOR FORMING CESIUM TUNGSTEN OXIDE FILM

 #51 | 2024-03-28 ✅ Patent 12,288,876 granted on 2025-04-29
US20240105935A1
Electricity

Nickel composite hydroxide and manufacturing method thereof, cathode active material for nonaqueos-electrolyte secondary battery and manufacturing method thereof, and nonaqueous-electrolyte secondary battery

 #52 | 2024-03-21 ✅ Patent 12,464,952 granted on 2025-11-04
US20240099146A1
Electricity

MAGNETOSTRICTIVE MEMBER AND METHOD FOR MANUFACTURING MAGNETOSTRICTIVE MEMBER

 #53 | 2024-03-14
US20240084418A1
Chemistry; metallurgy

METHOD FOR RECOVERING VALUABLE METAL

 #54 | 2024-01-18
US20240021808A1
Electricity

POSITIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM ION SECONDARY BATTERY AND LITHIUM ION SECONDARY BATTERY

 #55 | 2024-01-11
US20240009683A1
Performing operations; transporting

FLOTATION METHOD AND FLOTATION SYSTEM

 #56 | 2024-01-04
US20240006591A1
Electricity

PROCESS FOR MANUFACTURING POSITIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM ION SECONDARY BATTERY, POSITIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM ION SECONDARY BATTERY, AND LITHIUM ION SECONDARY BATTERY

 #57 | 2023-12-07
US20230392025A1
Chemistry; metallurgy

SURFACE-TREATED INFRARED-ABSORBING FINE PARTICLES AND METHOD FOR PRODUCING THE SAME, INFRARED-ABSORBING FINE-PARTICLE DISPERSION LIQUID, AND INFRARED-ABSORBING FINE-PARTICLE DISPERSION BODY

 #58 | 2023-11-30 ✅ Patent 12,275,648 granted on 2025-04-15
US20230382759A1
Chemistry; metallurgy

Near-infrared absorbing particles, method for producing near-infrared absorbing particles, near-infrared absorbing particle dispersion body, near- infrared absorbing laminate, and near-infrared absorbing transparent base material

 #59 | 2023-11-30
US20230381861A1
Performing operations; transporting

METHOD FOR MANUFACTURING IRON (Fe)-NICKEL (Ni) ALLOY POWDER

 #60 | 2023-11-23 ✅ Patent 12,555,786 granted on 2026-02-17
US20230378455A1
Electricity

POSITIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM ION SECONDARY BATTERY, METHOD FOR PRODUCING THE SAME, AND LITHIUM ION SECONDARY BATTERY

 #61 | 2023-11-16 ✅ Patent 12,087,943 granted on 2024-09-10
US20230369580A1
Electricity

Precursor of positive electrode active material for nonaqueous electrolyte secondary batteries and production method thereof and positive electrode active material for nonaqueous electrolyte secondary batteries and production method thereof

 #62 | 2023-10-12
US20230321722A1
Performing operations; transporting

ATOMIZATION DEVICE, MANUFACTURING METHOD OF METAL POWDER, AND MANUFACTURING METHOD OF VALUABLE METAL

 #63 | 2023-09-21
US20230295766A1
Chemistry; metallurgy

METHOD FOR TREATING SULFIDE

 #64 | 2023-08-31 ✅ Patent 12,435,223 granted on 2025-10-07
US20230272225A1
Chemistry; metallurgy

DARK POWDER DISPERSION LIQUID, DARK POWDER DISPERSION BODY AND COLORED LAYER-ATTACHED BASE MATERIAL

 #65 | 2023-08-31 ✅ Patent 12,024,466 granted on 2024-07-02
US20230271874A1
Chemistry; metallurgy

Thick film resistor paste, thick film resistor, and electronic component

 #66 | 2023-08-24 ✅ Patent 12,119,492 granted on 2024-10-15
US20230268500A1
Electricity

Positive electrode active material for all-solid-state lithium ion secondary battery and method for manufacturing the same

 #67 | 2023-08-17 ✅ Patent 11,926,883 granted on 2024-03-12
US20230257851A1
Chemistry; metallurgy

Method for recovering valuable metal

 #68 | 2023-08-17
US20230256507A1
Performing operations; transporting

ALLOY POWDER, METHOD FOR MANUFACTURING SAME, AND METHOD FOR RECOVERING VALUABLE METAL

 #69 | 2023-08-10 ✅ Patent 12,009,517 granted on 2024-06-11
US20230253559A1
Electricity

Nickel-manganese composite hydroxide, method for producing the same, positive electrode active material for nonaqueous electrolyte secondary battery, method for producing the same, and nonaqueous electrolyte secondary battery

 #70 | 2023-08-10
US20230250508A1
Chemistry; metallurgy

METHOD FOR RECOVERING VALUABLE METAL

 #71 | 2023-08-03 ✅ Patent 11,990,259 granted on 2024-05-21
US20230245807A1
Electricity

Rare earth-iron-nitrogen-based magnetic powder, compound for bonded magnet, bonded magnet, and method for producing rare earth-iron-nitrogen-based magnetic powder

 #72 | 2023-07-20 ✅ Patent 12,203,836 granted on 2025-01-21
US20230228663A1
Physics

Bubble measurement device and bubble measurement method

 #73 | 2023-07-06 ✅ Patent 11,807,914 granted on 2023-11-07
US20230212713A1
Chemistry; metallurgy

Method for recovering valuable metal

 #74 | 2023-07-06 ✅ Patent 11,851,729 granted on 2023-12-26
US20230212710A1
Chemistry; metallurgy

Method for recovering valuable metal

 #75 | 2023-06-15
US20230187628A1
Electricity

POSITIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM ION SECONDARY BATTERIES, METHOD FOR PRODUCING SAID POSITIVE ELECTRODE ACTIVE MATERIAL, AND LITHIUM ION SECONDARY BATTERY

 #76 | 2023-06-15 ✅ Patent 12,381,212 granted on 2025-08-05
US20230187625A1
Electricity

METHOD FOR PRODUCING POSITIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM ION SECONDARY BATTERY

 #77 | 2023-06-15 ✅ Patent 12,261,292 granted on 2025-03-25
US20230187624A1
Electricity

Positive electrode active material for lithium ion secondary battery and lithium ion secondary battery

 #78 | 2023-06-15
US20230183091A1
Chemistry; metallurgy

PRODUCTION METHOD FOR COBALT SULFATE

 #79 | 2023-06-08
US20230174385A1
Chemistry; metallurgy

METHOD FOR PRODUCING LITHIUM-CONTAINING SOLUTION

 #80 | 2023-06-01 ✅ Patent 12,283,408 granted on 2025-04-22
US20230170114A1
Electricity

Thick film resistor paste, thick film resistor, and electronic component

 #81 | 2023-06-01
US20230167526A1
Chemistry; metallurgy

ALLOY TREATMENT METHOD

 #82 | 2023-06-01 ✅ Patent 12,304,860 granted on 2025-05-20
US20230167011A1
Chemistry; metallurgy

Thick film resistor paste, thick film resistor, and electronic component

 #83 | 2023-05-25 ✅ Patent 12,249,447 granted on 2025-03-11
US20230162896A1
Electricity

Thick film resistor paste, thick film resistor, and electronic component

 #84 | 2023-05-25
US20230160035A1
Chemistry; metallurgy

METHOD FOR TREATING ALLOY

 #85 | 2023-05-18
US20230151453A1
Chemistry; metallurgy

METHOD FOR RECOVERING VALUABLE METAL

 #86 | 2023-05-18
US20230151259A1
Chemistry; metallurgy

THERMALLY CONDUCTIVE COMPOSITION

 #87 | 2023-05-11
US20230141794A1
Chemistry; metallurgy

THERMALLY CONDUCTIVE PASTE

 #88 | 2023-05-11
US20230141757A1
Chemistry; metallurgy

THERMALLY CONDUCTIVE COMPOSITION

 #89 | 2023-05-04
US20230135908A1
Electricity

METAL COMPOSITE HYDROXIDE, METHOD FOR PRODUCING SAME, POSITIVE ELECTRODE ACTIVE MATERIAL FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERIES, METHOD FOR PRODUCING SAID POSITIVE ELECTRODE ACTIVE MATERIAL, AND NONAQUEOUS ELECTROLYTE SECONDARY BATTERY USING SAID POSITIVE ELECTRODE ACTIVE MATERIAL

 #90 | 2023-04-06
US20230104953A1
Electricity

METHOD FOR RECOVERING VALUABLE METALS FROM WASTE BATTERY

 #91 | 2023-03-23 ✅ Patent 11,892,388 granted on 2024-02-06
US20230091287A1
Physics

Simulation device, simulation method, and program

 #92 | 2023-03-16
US20230079295A1
Chemistry; metallurgy

METHOD FOR PRODUCING LITHIUM HYDROXIDE

 #93 | 2023-03-09 ✅ Patent 12,394,794 granted on 2025-08-19
US20230077307A1
Electricity

POSITIVE ELECTRODE ACTIVE MATERIAL, HIGH-TEMPERATURE OPERATION TYPE LITHIUM-ION POLYMER SECONDARY BATTERY, HIGH-TEMPERATURE OPERATION TYPE LITHIUM ION INORGANIC ALL-SOLID-STATE SECONDARY BATTERY

 #94 | 2023-03-09
US20230074828A1
Electricity

MAGNETOSTRICTIVE MEMBER AND METHOD FOR MANUFACTURING MAGNETOSTRICTIVE MEMBER

 #95 | 2023-03-09
US20230071697A1
Chemistry; metallurgy

METHOD FOR TREATING ALLOY

 #96 | 2023-03-09 ✅ Patent 12,298,543 granted on 2025-05-13
US20230070110A1
Physics

Electromagnetic wave absorbing particle dispersion, electromagnetic wave absorbing laminate, and electromagnetic wave absorbing transparent base material

 #97 | 2023-03-02 ✅ Patent 12,633,532 granted on 2026-05-19
US20230069426A1
Electricity

LITHIUM METAL COMPOSITE OXIDE, POSITIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY, POSITIVE ELECTRODE FOR LITHIUM SECONDARY BATTERY, AND LITHIUM SECONDARY BATTERY

 #98 | 2023-03-02 ✅ Patent 12,465,899 granted on 2025-11-11
US20230063110A1
Performing operations; transporting

SLURRY PROCESSING APPARATUS, MICROBUBBLE GENERATION EQUIPMENT, AND SLURRY PROCESSING METHOD

 #99 | 2023-02-16 ✅ Patent 12,565,429 granted on 2026-03-03
US20230052771A1
Chemistry; metallurgy

ELECTROMAGNETIC WAVE ABSORBING PARTICLES, ELECTROMAGNETIC WAVE ABSORBING PARTICLE DISPERSION LIQUID, AND METHOD FOR MANUFACTURING ELECTROMAGNETIC WAVE ABSORBING PARTICLES

 #100 | 2023-02-16 ✅ Patent 11,855,283 granted on 2023-12-26
US20230051717A1
Electricity

Method for evaluating a characteristic of a nonaqueous electrolyte secondary battery positive electrode active material

Also check out SUMITOMO METAL MINING CO., LTD.'s (Tokyo, Japan) applicant profile with 528 patent applications submitted.

AssigneeID:

516 ⎘