NGK SPARK PLUG CO., LTD.

Spark plug

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Spark plug and method for manufacturing spark plug

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Spark plug

#4 | 2022-01-06 ✅ Patent 11,623,284 granted on 2023-04-11

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Surface-coated cutting tool

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Gas sensor element and gas sensor

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Pressure sensor having a heat receiver including a first portion and a second portion

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Air-fuel ratio control system and air-fuel ratio control method

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Holding device

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Sensor element, gas sensor, and gas sensor unit

#10 | 2021-03-18 ✅ Patent 11,391,194 granted on 2022-07-19

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Gas sensor control apparatus, gas sensor apparatus, and internal combustion engine control apparatus

#11 | 2021-03-11 ✅ Patent 12,158,443 granted on 2024-12-03

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Gas sensor element, and gas sensor

#12 | 2021-02-25

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SENSOR ELEMENT AND GAS SENSOR

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Chemistry; metallurgy

Hydrogel and method for producing hydrogel

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Manufacturing method of gas sensor

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Gas sensor and method of manufacturing the same

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Holding device

#17 | 2020-12-17 ✅ Patent 11,214,731 granted on 2022-01-04

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Chemistry; metallurgy

Light wavelength conversion member and light emitting device

#18 | 2020-10-01 ✅ Patent 11,094,500 granted on 2021-08-17

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Discharge control apparatus and method

#19 | 2020-09-24 ✅ Patent 11,316,078 granted on 2022-04-26

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Optical wavelength converter and composite optical device

#20 | 2020-09-24 ✅ Patent 11,365,154 granted on 2022-06-21

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Chemistry; metallurgy

Silicon nitride-based sintered body and cutting insert

#21 | 2020-08-27 ✅ Patent 10,978,857 granted on 2021-04-13

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Method of manufacturing spark plug that reliably prevents gasket from coming off mounting screw

#22 | 2020-08-27 ✅ Patent 11,255,247 granted on 2022-02-22

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Sensor

#23 | 2020-08-06 ✅ Patent 11,428,655 granted on 2022-08-30

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Gas sensor

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Diaphragm suppressing pressure sensor

#25 | 2020-04-23 ✅ Patent 11,173,555 granted on 2021-11-16

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Surface-coated cutting tool

#26 | 2020-04-02 ✅ Patent 10,714,904 granted on 2020-07-14

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Spark plug

#27 | 2020-01-09 ✅ Patent 11,137,332 granted on 2021-10-05

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Particulate detection apparatus

#28 | 2020-01-02 ✅ Patent 11,631,597 granted on 2023-04-18

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Holding apparatus

#29 | 2020-01-02 ✅ Patent 11,422,108 granted on 2022-08-23

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Temperature control apparatus, temperature control method, gas sensor, method of manufacturing gas sensor, and temperature control system for gas sensor

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NOx sensor control device and NOx sensor control method

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Sensor element and gas sensor

#32 | 2019-11-14 ✅ Patent 10,570,799 granted on 2020-02-25

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Purification control device

#33 | 2019-10-10 ✅ Patent 11,199,474 granted on 2021-12-14

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Sensor having tube cap restricting rearward movement of heat shield tube

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Ammonia sensor element and gas sensor

#35 | 2019-10-03 ✅ Patent 11,255,812 granted on 2022-02-22

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Gas sensor element, heater and gas sensor

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Attachment structure of particulate sensor, particulate sensor, sensor attachment portion, and sensor attachment portion equipped gas flow pipe

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Gas sensor

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Gas sensor

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Optical wavelength conversion member and light-emitting device

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Gas sensor element and gas sensor including same

#41 | 2019-08-08 ✅ Patent 11,063,186 granted on 2021-07-13

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Method for producing light wavelength conversion member, light wavelength conversion member, light wavelength conversion component and light emitting device

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Light wavelength conversion member and light emitting device

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Light wavelength conversion member and light emission device

#44 | 2019-05-30 ✅ Patent 10,931,087 granted on 2021-02-23

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Ignition plug, control system, internal combustion engine, and internal combustion engine system

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Ceramic-metal structure

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Gas sensor

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Gas sensor

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Gas sensor

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Gas sensor

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Manufacturing method of gas sensor

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Spark plug having the thickness of a magnetic member without excessively narrowing an electrode member

#52 | 2018-12-13 ✅ Patent 10,830,730 granted on 2020-11-10

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Sensor element and gas sensor including the sensor

#53 | 2018-11-22 ✅ Patent 10,830,729 granted on 2020-11-10

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Sensor control device and gas detection system

#54 | 2018-11-15 ✅ Patent 10,128,638 granted on 2018-11-13

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Ignition plug

#55 | 2018-11-15 ✅ Patent 10,629,322 granted on 2020-04-21

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Electrically conductive oxide sintered compact, member for electrical conduction, gas sensor, piezoelectric element, and method for producing piezoelectric element

#56 | 2018-11-15 ✅ Patent 10,634,639 granted on 2020-04-28

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Method for producing gas sensor element

#57 | 2018-10-16 ✅ Patent 10,103,520 granted on 2018-10-16

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Method of manufacturing spark plug

#58 | 2018-10-11 ✅ Patent 10,476,087 granted on 2019-11-12

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Fuel-cell power generation unit and fuel-cell stack

#59 | 2018-10-04 ✅ Patent 10,090,648 granted on 2018-10-02

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Spark plug

#60 | 2018-09-27 ✅ Patent 10,671,103 granted on 2020-06-02

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Voltage supply apparatus

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Human necessities

BREATH SENSOR

#62 | 2018-09-06 ✅ Patent 10,148,070 granted on 2018-12-04

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Machining apparatus, component producing method, and spark plug producing method

#63 | 2018-08-02 ✅ Patent 10,732,142 granted on 2020-08-04

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Gas sensor

#64 | 2018-07-26 ✅ Patent 10,153,620 granted on 2018-12-11

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Spark plug

#65 | 2018-07-24 ✅ Patent 10,033,163 granted on 2018-07-24

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Spark plug

#66 | 2018-07-19 ✅ Patent 11,004,715 granted on 2021-05-11

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Substrate supporting device

#67 | 2018-07-19 ✅ Patent 10,660,990 granted on 2020-05-26

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Human necessities

Article with foamed surface, implant and method of producing the same

#68 | 2018-07-05 ✅ Patent 10,497,949 granted on 2019-12-03

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Electro-chemical reaction unit and fuel cell stack

#69 | 2018-06-07 ✅ Patent 10,637,075 granted on 2020-04-28

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Fuel cell stack and method for manufacturing fuel cell stack

#70 | 2018-05-17 ✅ Patent 10,084,289 granted on 2018-09-25

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Spark plug

#71 | 2018-05-08 ✅ Patent 9,966,737 granted on 2018-05-08

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Method for manufacturing spark plug

#72 | 2018-05-03 ✅ Patent 10,027,093 granted on 2018-07-17

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Spark plug

#73 | 2018-05-03 ✅ Patent 10,361,440 granted on 2019-07-23

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Electrochemical reaction unit having a single cell including a current collector having a protrusion coated with an electrically conductive coat in contact with a cathode via a bonding layer and fuel cell stack

#74 | 2018-04-26 ✅ Patent 10,502,114 granted on 2019-12-10

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Concentration calculation apparatus, concentration calculation system, and concentration calculation method

#75 | 2018-04-19 ✅ Patent 10,379,076 granted on 2019-08-13

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Electrically conductive oxide sintered compact, member for electrical conduction, and gas sensor

#76 | 2018-03-29 ✅ Patent 10,429,290 granted on 2019-10-01

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Particulate measurement apparatus and particulate measurement system

#77 | 2018-02-22 ✅ Patent 9,917,425 granted on 2018-03-13

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Spark plug

#78 | 2018-02-15 ✅ Patent 10,302,589 granted on 2019-05-28

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Gas sensor, electrically conductive oxide sintered body, and wiring board

#79 | 2018-02-08 ✅ Patent 9,929,541 granted on 2018-03-27

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Ignition plug and ignition device

#80 | 2018-02-08 ✅ Patent 10,705,045 granted on 2020-07-07

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Gas sensor element and method for producing gas sensor element

#81 | 2018-01-18 ✅ Patent 9,887,519 granted on 2018-02-06

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Spark plug

#82 | 2018-01-18 ✅ Patent 9,948,070 granted on 2018-04-17

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Spark plug

#83 | 2017-11-30 ✅ Patent 10,302,542 granted on 2019-05-28

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Particulate detection system

#84 | 2017-11-23 ✅ Patent 10,082,480 granted on 2018-09-25

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Gas concentration detection device

#85 | 2017-08-24 ✅ Patent 10,302,503 granted on 2019-05-28

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Temperature sensor

#86 | 2017-08-10 ✅ Patent 10,302,507 granted on 2019-05-28

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Temperature sensor and method for manufacturing the same

#87 | 2017-08-03 ✅ Patent 10,058,925 granted on 2018-08-28

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Sialon sintered body and cutting insert

#88 | 2017-07-27 ✅ Patent 9,899,806 granted on 2018-02-20

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Method for manufacturing spark plug

#89 | 2017-06-22 ✅ Patent 9,748,742 granted on 2017-08-29

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Apparatus and method for manufacturing spark plug

#90 | 2017-05-18 ✅ Patent 10,347,817 granted on 2019-07-09

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Lead-free piezoelectric ceramic composition, piezoelectric element using the same, and method of manufacturing lead-free piezoelectric ceramic composition

#91 | 2017-05-18 ✅ Patent 10,340,441 granted on 2019-07-02

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