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Ngk Insulators, Inc.

USPTO Granted Patents = 4,916

CIPO Patents = 57

EPO Patents = 1,196

Trademarks = 37

Forward Citations = 35,115

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2,849 inventors (with patents filed for the assignee):

Yukihisa Takeuchi (305 out of 350 patents)

Tsutomu Nanataki (223 out of 224 patents)

Kazuyoshi Shibata (110 out of 114 patents)

4. Koji Kimura (106 out of 125 patents)

5. Makoto Ohmori (103 out of 107 patents)

6. Yukio Miyairi (103 out of 103 patents)

7. Jungo Kondo (90 out of 92 patents)

8. Nobuhide Kato (83 out of 83 patents)

9. Yuji Katsuda (81 out of 82 patents)

10. Mitsuhiro Tanaka (72 out of 75 patents)

11. Takashi Yoshino (70 out of 73 patents)

12. Takao Ohnishi (69 out of 69 patents)

13. Yusuke Watanabe (64 out of 64 patents)

14. Kenshin Kitoh (62 out of 62 patents)

15. Shinji Kawasaki (61 out of 63 patents)

Core Competencies:

Gas Separation

Zeolite Membrane

AlN Single Crystal Substrate

Honeycomb Filter

Gas Sensor

Lithium Secondary Battery

Ceramic Heater

Optical Scanning Element

Composite Substrate

SiC Composite Substrate

Porous Composite

Extrusion Molding Die

4,916 patents: Sort by Forward Citations

1. 12482804 - Heat treatment system, saggar and method of heat-treating (2025-11-25),

2. 12480226 - AlN single crystal substrate (2025-11-25),

3. 12478919 - Gas separation method and zeolite membrane (2025-11-25),

4. 12474293 - Sensor element and gas sensor (2025-11-18),

5. 12473649 - Wafer placement table (2025-11-18),

6. 12472455 - Honeycomb filter (2025-11-18),

7. 12469886 - Lithium secondary battery (2025-11-11),

8. 12467894 - Gas sensor (2025-11-11),

9. 12467685 - Dielectric drying method and dielectric drying device for ceramic formed bodies, and method for producing ceramic structures (2025-11-11),

10. 12463264 - Method for operating storage battery system (2025-11-04),

11. 12463023 - Member for semiconductor manufacturing apparatus (2025-11-04),

12. 12461058 - Gas sensor and concentration measurement method using gas sensor (2025-11-04),

13. 12461057 - Gas sensor element (2025-11-04),

14. 12458949 - Gas separation method and zeolite membrane (2025-11-04),

15. 12452963 - Ceramic heater (2025-10-21),

NGK Insulators, Inc. is a leading global manufacturer of advanced ceramic products. With a history spanning over a century, NGK Insulators specializes in providing innovative solutions for a wide range of industries including automotive, electronics, power, and environmental. Their extensive portfolio includes ceramic insulators, sensors, catalysts, fuel cells, and other cutting-edge technology products. NGK Insulators is committed to promoting sustainability and contributing to a greener future through their eco-friendly solutions.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

4,916 Patents

#2 in Nagoya

#50 in Japan

#182 in the World

Ngk Insulators, Inc.

Forward Citations = 35,115

2,849 inventors:

Yukihisa Takeuchi (305 out of 350 patents)

Tsutomu Nanataki (223 out of 224 patents)

Kazuyoshi Shibata (110 out of 114 patents)

4. Koji Kimura (106 out of 125 patents)

5. Makoto Ohmori (103 out of 107 patents)

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