Assignee profile:

SUMCO CORPORATION

City:

Tokyo

Country:

Japan

Published Applications:

798

Last publication date:

2026-05-21

Patent Grants:

608

Last grant date:

2025-10-28

Quarterly SUMCO CORPORATION Patent Applications

Top Inventors for applications by SUMCO CORPORATION

These are the the leading inventors for applications assigned to SUMCO CORPORATION:

Recent patent applications by SUMCO CORPORATION

SUMCO CORPORATION based in Tokyo, JP has been assigned the rights to these inventions. The list includes both Pending Applications and Patent Grants:

#1 | 2026-05-21
US20260143977A1
Electricity

FLAT EPITAXIAL WAFER HAVING MINIMAL THICKNESS VARIATION

#2 | 2026-05-14
US20260131416A1
Performing operations; transporting

DOUBLE-SIDE POLISHING APPARATUS FOR WORKPIECE AND DOUBLE-SIDE POLISHING METHOD FOR WORKPIECE

#3 | 2026-04-16
US20260103821A1
Chemistry; metallurgy

QUARTZ GLASS CRUCIBLE AND METHOD FOR PRODUCING SILICON SINGLE CRYSTAL USING SAME

#4 | 2026-04-09
US20260099136A1
Physics

SEMICONDUCTOR MANUFACTURING DEVICE, SEMICONDUCTOR MANUFACTURING PLANT, AND SEMICONDUCTOR MANUFACTURING METHOD

#5 | 2026-03-26
US20260090298A1
Electricity

SILICON WAFER WITH LASER MARK AND MANUFACTURING METHOD OF THE SAME

#6 | 2026-03-12
US20260071348A1
Chemistry; metallurgy

METHOD FOR CONTROLING PULLING APPARATUS, CONTROL PROGRAM, CONTROL APPARATUS, METHOD FOR PRODUCING SINGLE CRYSTAL SILICON INGOT, AND SINGLE CRYSTAL SILICON INGOT

#7 | 2026-02-26
US20260057163A1
Physics

METHOD FOR MODELING WAFER SHAPE, AND METHOD FOR MANUFACTURING WAFER

#8 | 2026-02-19
US20260052930A1
Electricity

METHOD FOR CLEANING SILICON WAFER, METHOD FOR PRODUCING SILICON WAFER, AND SILICON WAFER

#9 | 2026-02-12
US20260042186A1
Performing operations; transporting

ONE-SIDE POLISHING APPARATUS FOR WORKPIECE, METHOD FOR ONE-SIDE POLISHING OF WORKPIECE, AND METHOD FOR MANUFACTURING SILICON WAFERS

#10 | 2026-02-05
US20260035829A1
Chemistry; metallurgy

QUARTZ GLASS CRUCIBLE FOR SILICON SINGLE-CRYSTAL PULLING AND MANUFACTURING METHOD UTILIZING SAME

#11 | 2026-01-15
US20260015765A1
Chemistry; metallurgy

METHOD FOR MANUFACTURING EPITAXIAL WAFER

#12 | 2026-01-01
US20260001186A1
Performing operations; transporting

CYLINDRICAL GRINDING DEVICE, CYLINDRICAL GRINDING METHOD, AND WAFER MANUFACTURING METHOD

#13 | 2025-12-25
US20250389045A1
Chemistry; metallurgy

PRODUCTION METHOD FOR SILICON MONOCRYSTAL

#14 | 2025-12-11
US20250379105A1
Electricity

METHOD OF EVALUATING SEMICONDUCTOR WAFER AND METHOD OF MANUFACTURING SEMICONDUCTOR WAFER

#15 | 2025-12-11
US20250376785A1
Chemistry; metallurgy

QUARTZ GLASS CRUCIBLE FOR SINGLE-CRYSTAL SILICON PULLING AND METHOD FOR PRODUCING SINGLE-CRYSTAL SILICON USING SAME

#16 | 2025-11-27
US20250361648A1
Chemistry; metallurgy

SILICON WAFER AND MANUFACTURING METHOD THEREFOR

#17 | 2025-11-20
US20250357186A1
Electricity

METHOD FOR PRODUCING SUPPORT SUBSTRATE FOR BONDED WAFER, AND SUPPORT SUBSTRATE FOR BONDED WAFER

#18 | 2025-11-20
US20250353141A1
Performing operations; transporting

METHOD FOR DRESSING POLISHING PAD, METHOD FOR POLISHING SILICON WAFER, METHOD FOR PRODUCING SILICON WAFER, AND DEVICE FOR POLISHING SILICON WAFER

#19 | 2025-11-20
US20250353133A1
Performing operations; transporting

MANAGEMENT DEVICE, MANAGEMENT METHOD, AND WAFER MANUFACTURING SYSTEM

#20 | 2025-10-30
US20250332680A1
Performing operations; transporting

DETERMINATION METHOD OF WAFER POLISHING CONDITIONS, METHOD OF MANUFACTURING WAFER, AND WAFER ONE SIDE POLISHING SYSTEM

#21 | 2025-10-23
US20250327760A1
Physics

METHOD OF EVALUATING SEMICONDUCTOR SAMPLE, EVALUATION DEVICE OF SEMICONDUCTOR SAMPLE AND METHOD OF MANUFACTURING SEMICONDUCTOR WAFER

#22 | 2025-10-16
US20250320626A1
Chemistry; metallurgy

DOPANT ADDITION METHOD, MONOCRYSTALLINE SILICON MANUFACTURING METHOD, DOPANT ADDITION CONTROL DEVICE, AND MONOCRYSTALLINE SILICON MANUFACTURING SYSTEM

#23 | 2025-10-16
US20250320625A1
Chemistry; metallurgy

MATERIAL FEEDING METHOD, MONOCRYSTALLINE SILICON MANUFACTURING METHOD, MATERIAL FEED CONTROL DEVICE, AND MONOCRYSTALLINE SILICON MANUFACTURING SYSTEM

#24 | 2025-09-25
US20250297404A1
Chemistry; metallurgy

SINGLE CRYSTAL PULLING APPARATUS

#25 | 2025-09-25
US20250297403A1
Chemistry; metallurgy

METHOD FOR GROWING SINGLE-CRYSTAL SILICON, METHOD FOR PRODUCING SILICON WAFER, AND SINGLE-CRYSTAL PULLING DEVICE

#26 | 2025-09-18
US20250289090A1
Performing operations; transporting

APPARATUS FOR MEASURING THICKNESS OF WORKPIECE, METHOD FOR MEASURING THICKNESS OF WORKPIECE, AND SYSTEM FOR POLISHING WORKPIECE

#27 | 2025-08-28
US20250269532A1
Performing operations; transporting

SUBSTRATE TRANSPORT SYSTEM

#28 | 2025-08-28
US20250269531A1
Performing operations; transporting

SUBSTRATE TRANSFER SYSTEM

#29 | 2025-08-14
US20250257464A1
Chemistry; metallurgy

VAPOR DEPOSITION DEVICE

#30 | 2025-07-17
US20250230574A1
Chemistry; metallurgy

METHOD AND APPARATUS FOR PRODUCING SILICON SINGLE CRYSTAL AND METHOD FOR PRODUCING SILICON WAFER

#31 | 2025-06-26
US20250207294A1
Chemistry; metallurgy

MANUFACTURING METHOD OF SILICON SINGLE CRYSTAL

#32 | 2025-06-05
US20250185323A1
Electricity

SILICON WAFER AND EPITAXIAL SILICON WAFER

#33 | 2025-06-05 ✅ Patent 12,454,770 granted on 2025-10-28
US20250179686A1
Chemistry; metallurgy

EPITAXIAL SILICON WAFER AND METHOD FOR PRODUCING THE SAME

#34 | 2025-06-05
US20250179682A1
Chemistry; metallurgy

N-TYPE SILICON SINGLE CRYSTAL PRODUCTION METHOD, N-TYPE SILICON SINGLE CRYSTAL INGOT, SILICON WAFER, AND EPITAXIAL SILICON WAFER

#35 | 2025-05-15
US20250157839A1
Electricity

PACKAGING UNIT AND TRANSPORTATION CONTAINER

#36 | 2025-02-27 ✅ Patent 12,570,456 granted on 2026-03-10
US20250066099A1
Performing operations; transporting

CUSHIONING MATERIAL, PACKING BODY, AND PACKING METHOD

#37 | 2025-02-13
US20250051959A1
Chemistry; metallurgy

EPITAXIAL WAFER MANUFACTURING METHOD AND EPITAXIAL WAFER MANUFACTURING APPARATUS

#38 | 2025-02-13
US20250050542A1
Performing operations; transporting

METHOD FOR CUTTING SILICON INGOT

#39 | 2025-02-06
US20250043459A1
Chemistry; metallurgy

MANUFACTURING METHOD OF SINGLE CRYSTAL AND SINGLE CRYSTAL MANUFACTURING DEVICE

#40 | 2025-01-16
US20250019863A1
Chemistry; metallurgy

MAGNET FOR SINGLE CRYSTAL PRODUCTION APPARATUS, SINGLE CRYSTAL PRODUCTION APPARATUS, AND METHOD OF PRODUCING SINGLE CRYSTAL

#41 | 2024-11-07
US20240368802A1
Chemistry; metallurgy

PRODUCTION METHOD FOR SILICON MONOCRYSTAL AND PRODUCTION METHOD FOR SILICON WAFER

#42 | 2024-10-17
US20240344951A1
Physics

METHOD OF MEASURING CONTACT ANGLE OF SILICON WAFER AND METHOD OF EVALUATING SURFACE CONDITION OF SILICON WAFER

#43 | 2024-10-03
US20240328034A1
Chemistry; metallurgy

LOW RESISTIVITY WAFER

#44 | 2024-09-05
US20240297201A1
Electricity

METHOD OF PRODUCING SEMICONDUCTOR EPITAXIAL WAFER, SEMICONDUCTOR EPITAXIAL WAFER, AND METHOD OF PRODUCING SOLID-STATE IMAGE SENSING DEVICE

#45 | 2024-08-29 ✅ Patent 12,532,686 granted on 2026-01-20
US20240290665A1
Electricity

METHOD OF CLEANING SEMICONDUCTOR WAFER AND METHOD OF MANUFACTURING SEMICONDUCTOR WAFER

#46 | 2024-08-22
US20240282801A1
Electricity

METHOD OF PRODUCING SEMICONDUCTOR EPITAXIAL WAFER, SEMICONDUCTOR EPITAXIAL WAFER, AND METHOD OF PRODUCING SOLID-STATE IMAGE SENSING DEVICE

#47 | 2024-08-22
US20240279106A1
Chemistry; metallurgy

QUARTZ GLASS CRUCIBLE, MANUFACTURING METHOD THEREOF, AND MANUFACTURING METHOD OF SILICON SINGLE CRYSTAL

#48 | 2024-08-22
US20240278381A1
Performing operations; transporting

POLISHING HEAD, POLISHING DEVICE, AND METHOD OF MANUFACTURING SEMICONDUCTOR WAFER

#49 | 2024-08-22
US20240278379A1
Performing operations; transporting

DOUBLE-SIDE POLISHING METHOD FOR WORK AND DOUBLE-SIDE POLISHING APPARATUS FOR WORK

#50 | 2024-08-08
US20240261929A1
Performing operations; transporting

DOUBLE-SIDE POLISHING APPARATUS AND DOUBLE-SIDE POLISHING METHOD FOR WORKPIECES

#51 | 2024-08-01
US20240258126A1
Electricity

SEMICONDUCTOR WAFER CLEANING DEVICE, SEMICONDUCTOR WAFER CLEANING METHOD, AND METHOD FOR MANUFACTURING SILICON WAFER

#52 | 2024-08-01
US20240257336A1
Physics

WAFER VISUAL INSPECTION APPARATUS AND WAFER VISUAL INSPECTION METHOD

#53 | 2024-08-01
US20240254651A1
Chemistry; metallurgy

QUARTZ GLASS CRUCIBLE, MANUFACTURING METHOD THEREOF, AND MANUFACTURING METHOD OF SILICON SINGLE CRYSTAL

#54 | 2024-07-25 ✅ Patent 12,617,057 granted on 2026-05-05
US20240246191A1
Performing operations; transporting

METHOD OF CREATING CORRELATION RELATIONAL FORMULA FOR DETERMINING POLISHING CONDITION, METHOD OF DETERMINING POLISHING CONDITION, AND SEMICONDUCTOR WAFER MANUFACTURING METHOD

#55 | 2024-07-11
US20240230553A1
Physics

METHOD OF EVALUATING SILICON SINGLE-CRYSTAL INGOT, METHOD OF EVALUATING SILICON EPITAXIAL WAFER, METHOD OF MANUFACTURING SILICON EPITAXIAL WAFER, AND METHOD OF EVALUATING SILICON MIRROR POLISHED WAFER

#56 | 2024-06-27 ✅ Patent 12,406,863 granted on 2025-09-02
US20240213050A1
Electricity

WAFER SEPARATION APPARATUS AND METHOD, AND METHOD FOR MANUFACTURING SILICON WAFER

#57 | 2024-06-20
US20240198479A1
Performing operations; transporting

POLISHING HEAD, POLISHING DEVICE AND METHOD OF MANUFACTURING SEMICONDUCTOR WAFER

#58 | 2024-06-06 ✅ Patent 12,392,050 granted on 2025-08-19
US20240183062A1
Chemistry; metallurgy

INFRARED TRANSMISSIVITY MEASUREMENT METHOD OF QUARTZ GLASS CRUCIBLE

#59 | 2024-04-18 ✅ Patent 12,500,097 granted on 2025-12-16
US20240128095A1
Electricity

WAFER STORAGE CONTAINER CLEANING APPARATUS, AND WAFER STORAGE CONTAINER CLEANING METHOD

#60 | 2024-04-18 ✅ Patent 12,654,277 granted on 2026-06-16
US20240123566A1
Performing operations; transporting

PROCESSING CONDITION SETTING APPARATUS, PROCESSING CONDITION SETTING METHOD, AND WAFER PRODUCTION SYSTEM

#61 | 2024-02-29 ✅ Patent 12,604,680 granted on 2026-04-14
US20240071756A1
Electricity

METHOD FOR MANUFACTURING GROUP III NITRIDE SEMICONDUCTOR SUBSTRATE

#62 | 2024-02-29
US20240068126A1
Chemistry; metallurgy

METHOD OF MANUFACTURING MONOCRYSTALLINE SILICON

#63 | 2024-02-22 ✅ Patent 12,595,585 granted on 2026-04-07
US20240060208A1
Chemistry; metallurgy

HEATING PART OF SILICON SINGLE CRYSTAL MANUFACTURING DEVICE, CONVECTION PATTERN CONTROL METHOD FOR SILICON MELT, SILICON SINGLE CRYSTAL MANUFACTURING METHOD, SILICON WAFER MANUFACTURING METHOD, SILICON SINGLE CRYSTAL MANUFACTURING DEVICE, AND CONVECTION PATTERN CONTROL SYSTEM FOR SILICON MELT

#64 | 2024-02-15 ✅ Patent 12,500,089 granted on 2025-12-16
US20240055264A1
Electricity

WAFER POLISHING METHOD AND WAFER PRODUCING METHOD

#65 | 2024-02-15 ✅ Patent 12,568,784 granted on 2026-03-03
US20240055262A1
Electricity

METHOD OF POLISHING CARRIER PLATE, CARRIER PLATE, AND METHOD OF POLISHING SEMICONDUCTOR WAFER

#66 | 2024-01-25 ✅ Patent 12,116,691 granted on 2024-10-15
US20240026564A1
Chemistry; metallurgy

Method for producing silicon single crystal

#67 | 2024-01-25 ✅ Patent 12,496,678 granted on 2025-12-16
US20240025008A1
Performing operations; transporting

METHOD OF POLISHING SILICON WAFER AND METHOD OF PRODUCING SILICON WAFER

#68 | 2024-01-18
US20240019397A1
Physics

METHOD OF ESTIMATING OXYGEN CONCENTRATION IN SILICON SINGLE CRYSTAL, METHOD OF MANUFACTURING SILICON SINGLE CRYSTAL, AND SILICON SINGLE CRYSTAL MANUFACTURING APPARATAUS

#69 | 2024-01-11
US20240011183A1
Chemistry; metallurgy

QUARTZ GLASS CRUCIBLE, MANUFACTURING METHOD THEREFOR, AND METHOD FOR MANUFACTURING SILICON SINGLE CRYSTAL

#70 | 2024-01-04 ✅ Patent 12,534,820 granted on 2026-01-27
US20240003049A1
Chemistry; metallurgy

METHOD FOR GROWING SILICON SINGLE CRYSTAL

#71 | 2024-01-04
US20240003044A1
Chemistry; metallurgy

SILICON SINGLE CRYSTAL GROWING METHOD

#72 | 2023-12-21 ✅ Patent 12,510,429 granted on 2025-12-30
US20230408356A1
Physics

DIFFERENTIAL PRESSURE MEASURING DEVICE AND DIFFERENTIAL PRESSURE MEASUREMENT METHOD

#73 | 2023-12-21 ✅ Patent 12,492,489 granted on 2025-12-09
US20230407523A1
Chemistry; metallurgy

SINGLE CRYSTAL MANUFACTURING METHOD, MAGNETIC FIELD GENERATOR, AND SINGLE CRYSTAL MANUFACTURING APPARATUS

#74 | 2023-12-07 ✅ Patent 12,400,909 granted on 2025-08-26
US20230395423A1
Electricity

METHOD FOR PRODUCING SUPPORT SUBSTRATE FOR BONDED WAFER, AND SUPPORT SUBSTRATE FOR BONDED WAFER

#75 | 2023-11-30 ✅ Patent 12,398,992 granted on 2025-08-26
US20230384077A1
Physics

CARRIER MEASUREMENT DEVICE, CARRIER MEASUREMENT METHOD, AND CARRIER MANAGEMENT METHOD

#76 | 2023-11-30 ✅ Patent 12,186,785 granted on 2025-01-07
US20230381834A1
Performing operations; transporting

Method of cleaning pipe of single-wafer processing wafer cleaning apparatus

#77 | 2023-11-16
US20230369416A1
Electricity

SILICON WAFER AND EPITAXIAL SILICON WAFER

#78 | 2023-11-09
US20230357950A1
Chemistry; metallurgy

MANUFACTURING METHOD OF SINGLE CRYSTALS

#79 | 2023-10-26 ✅ Patent 12,351,937 granted on 2025-07-08
US20230340691A1
Chemistry; metallurgy

PRODUCTION METHOD FOR SILICON MONOCRYSTAL

#80 | 2023-10-19 ✅ Patent 12,583,079 granted on 2026-03-24
US20230330809A1
Performing operations; transporting

WAFER POLISHING METHOD AND WAFER POLISHING DEVICE

#81 | 2023-10-12 ✅ Patent 12,635,427 granted on 2026-05-19
US20230326752A1
Electricity

FLAT EPITAXIAL WAFER HAVING MINIMAL THICKNESS VARIATION

#82 | 2023-10-05 ✅ Patent 12,414,388 granted on 2025-09-09
US20230317761A1
Electricity

EPITAXIAL SILICON WAFER, METHOD FOR PRODUCING SAME, AND METHOD FOR PRODUCING SEMICONDUCTOR DEVICE

#83 | 2023-09-28 ✅ Patent 12,142,645 granted on 2024-11-12
US20230307505A1
Electricity

Silicon wafer and manufacturing method of the same

#84 | 2023-09-21 ✅ Patent 12,252,803 granted on 2025-03-18
US20230295835A1
Chemistry; metallurgy

N-type silicon single crystal production method, n-type silicon single crystal ingot, silicon wafer, and epitaxial silicon wafer

#85 | 2023-08-31
US20230271229A1
Performing operations; transporting

METHOD OF CLEANING WORK AND CLEANING SYSTEM FOR WORK

#86 | 2023-08-03 ✅ Patent 12,031,231 granted on 2024-07-09
US20230243066A1
Chemistry; metallurgy

Low resistivity wafer

#87 | 2023-07-20
US20230230875A1
Electricity

SUPPORT SUBSTRATE FOR BONDED WAFER

#88 | 2023-07-20 ✅ Patent 12,435,443 granted on 2025-10-07
US20230228000A1
Chemistry; metallurgy

METHOD AND APPARATUS FOR MANUFACTURING DEFECT-FREE MONOCRYSTALLINE SILICON CRYSTAL

#89 | 2023-07-13
US20230220583A1
Chemistry; metallurgy

SINGLE CRYSTAL PRODUCTION APPARATUS AND SINGLE CRYSTAL PRODUCTION METHOD

#90 | 2023-07-06 ✅ Patent 11,935,745 granted on 2024-03-19
US20230215730A1
Electricity

Semiconductor epitaxial wafer and method of producing semiconductor epitaxial wafer, and method of producing solid-state imaging device

#91 | 2023-07-06 ✅ Patent 12,320,034 granted on 2025-06-03
US20230212786A1
Chemistry; metallurgy

Method of heat-treating silicon wafer using lateral heat treatment furnace

#92 | 2023-07-06 ✅ Patent 12,485,513 granted on 2025-12-02
US20230211449A1
Performing operations; transporting

DEVICE FOR POLISHING OUTER PERIPHERY OF WAFER

#93 | 2023-06-29 ✅ Patent 12,311,496 granted on 2025-05-27
US20230201993A1
Performing operations; transporting

Method of double-side polishing work, method of producing work, and double-side polishing apparatus for a work

#94 | 2023-06-22 ✅ Patent 12,247,927 granted on 2025-03-11
US20230194438A1
Physics

Method of evaluating semiconductor wafer

#95 | 2023-05-04 ✅ Patent 12,527,054 granted on 2026-01-13
US20230133472A1
Electricity

SILICON WAFER AND EPITAXIAL SILICON WAFER

#96 | 2023-05-04
US20230132859A1
Electricity

SILICON WAFER AND EPITAXIAL SILICON WAFER

#97 | 2023-04-06 ✅ Patent 12,544,874 granted on 2026-02-10
US20230106784A1
Performing operations; transporting

APPARATUS FOR DOUBLE-SIDE POLISHING WORK

#98 | 2023-03-16 ✅ Patent 12,043,916 granted on 2024-07-23
US20230077530A1
Chemistry; metallurgy

Quartz glass crucible with crystallization-accelerator-containing layer having gradient concentration

#99 | 2023-03-02 ✅ Patent 11,984,346 granted on 2024-05-14
US20230061603A1
Electricity

Susceptor, epitaxial growth apparatus, method of producing epitaxial silicon wafer, and epitaxial silicon wafer

#100 | 2023-02-09 ✅ Patent 12,278,105 granted on 2025-04-15
US20230044686A1
Chemistry; metallurgy

Method for producing epitaxial silicon wafer

Also check out SUMCO CORPORATION's (Tokyo, Japan) applicant profile with 323 patent applications submitted.

AssigneeID:

7903 ⎘