For the Inventor, By the Inventor

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Ngk Insulators, Inc.

USPTO Granted Patents = 5,058

% Expired Patents = 14.7

CIPO Patents = 25

EPO Patents = 1,196

Trademarks = 19

Forward Citations = 35,762

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2,161 inventors (with patents filed for the assignee):

Yukihisa Takeuchi (305 out of 350 patents)

Tsutomu Nanataki (224 out of 224 patents)

Kazuyoshi Shibata (111 out of 114 patents)

4. Yukio Miyairi (106 out of 106 patents)

5. Koji Kimura (106 out of 126 patents)

6. Makoto Ohmori (103 out of 107 patents)

7. Jungo Kondo (93 out of 94 patents)

8. Yuji Katsuda (83 out of 83 patents)

9. Nobuhide Kato (83 out of 83 patents)

10. Yusuke Watanabe (77 out of 80 patents)

11. Mitsuhiro Tanaka (73 out of 75 patents)

12. Takashi Yoshino (72 out of 74 patents)

13. Takao Ohnishi (72 out of 72 patents)

14. Kenshin Kitoh (62 out of 62 patents)

15. Shinji Kawasaki (61 out of 63 patents)

Core Competencies:

Gas Sensor

Semiconductor Manufacturing

Honeycomb Structure

Zinc Secondary Battery

EUV Transmissive Membrane

Ceramic Heater

Honeycomb Filter

Ceramic Substrate

Separation Membrane

Pillar-Shaped Honeycomb

Electrode-Embedded Structure

Cooling Plate

5,058 patents: Sort by Forward Citations

1. 12734476 - Gas separation system and gas separation method (2026-09-15),

2. 12733429 - Plug, method of manufacturing plug, and member for semiconductor manufacturing apparatus (2026-09-08),

3. 12733425 - Member for semiconductor manufacturing apparatus (2026-09-08),

4. 12732156 - Composite substrate and method of producing composite substrate (2026-09-08),

5. 12728705 - Vehicle air conditioning system (2026-09-08),

6. 12728455 - Method for producing heat conductive member and heat exchanger (2026-09-08),

7. 12728392 - Zeolite membrane complex, method of producing zeolite membrane complex, separator, membrane reactor, and separation method (2026-09-08),

8. 12728377 - Honeycomb structure (2026-09-08),

9. 12722109 - Vehicle air conditioning system (2026-09-01),

10. 12721099 - Wafer placement table (2026-08-25),

11. 12721056 - Group-III element nitride semiconductor substrate (2026-08-25),

12. 12720828 - Semiconductor film (2026-08-25),

13. 12716857 - Method of measuring a conductivity of a liquid using a conductivity sensor (2026-08-25),

14. 12716374 - Honeycomb structure, electrically heating support, and exhaust gas purification device (2026-08-25),

15. 12715271 - Vehicle compartment purification system, method for controlling vehicle compartment purification system, program and storage medium (2026-08-25),

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.

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USPTO Data Jan 1 1976 - Sep 15 2026

Ngk Insulators, Inc.

5,058 Patents

#2 in Nagoya

#49 in Japan

#182 in the World

Ngk Insulators, Inc.

Forward Citations = 35,762

2,161 inventors:

Yukihisa Takeuchi (305 out of 350 patents)

Tsutomu Nanataki (224 out of 224 patents)

Kazuyoshi Shibata (111 out of 114 patents)

4. Yukio Miyairi (106 out of 106 patents)

5. Koji Kimura (106 out of 126 patents)

Please report any incorrect information to [email protected]

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