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For the Inventor, By the Inventor

Nagoya, Japan

Ngk Insulators, Inc.

USPTO Granted Patents = 5,088

% Expired Patents = 14.7



Trademarks = 19

Forward Citations = 35,762

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2,171 inventors (with patents filed for the assignee):

goldMedal Yukihisa Takeuchi (305 out of 350 patents)

silverMedal Tsutomu Nanataki (224 out of 224 patents)

bronzeMedal Kazuyoshi Shibata (111 out of 114 patents)

4.  Yukio Miyairi (107 out of 107 patents)

5.  Koji Kimura (106 out of 126 patents)

6.  Makoto Ohmori (103 out of 107 patents)

7.  Jungo Kondo (96 out of 97 patents)

8.  Yuji Katsuda (83 out of 83 patents)

9.  Nobuhide Kato (83 out of 83 patents)

10.  Yusuke Watanabe (78 out of 81 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

5,088 patents:

1. 12772798 - Susceptor (2026-10-20),
2. 12772797 - Member for semiconductor manufacturing apparatus, plug, and method of manufacturing plug (2026-10-20),
3. 12772344 - Wafer placement table (2026-10-20),
4. 12771005 - Waveguide element (2026-10-20),
5. 12770978 - Air electrode/separator assembly and metal-air secondary battery (2026-10-20),
6. 12770841 - Wafer placement table (2026-10-20),
7. 12770837 - Focus ring placement table (2026-10-20),
8. 12768811 - Gas sensor (2026-10-20),
9. 12768076 - AlN monocrystal plate including a Ga metal component containing region (2026-10-20),
10. 12766491 - Honeycomb structure, exhaust gas purification device, and production method for honeycomb structure (2026-10-20),
11. 12766469 - Porous composite (2026-10-20),
12. 12766467 - Zeolite membrane complex and method of producing zeolite membrane complex (2026-10-20),
13. 12766452 - Honeycomb filter (2026-10-20),
14. 12763753 - Composite substrate and method of producing composite substrate (2026-10-13),
15. 12761121 - Sensor element and method of manufacturing sensor element (2026-10-13),
Company Overview
Ngk Insulators, Inc., headquartered in Nagoya, Japan, is a leading innovator in the development and manufacturing of advanced gas sensors and ceramic products. The company specializes in a variety of core technologies, including semiconductor manufacturing, honeycomb structures, and ceramic substrates. Ngk Insulators also focuses on energy solutions such as zinc secondary batteries and ceramic heaters, contributing to advancements in environmental sustainability and efficiency across multiple industries.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 20 2026

Ngk Insulators, Inc. USPTO Patent Assignee Logo
5,088 Patents

#2 in Nagoya

#49 in Japan

#180 in the World

Nagoya, JP
Nagoya, Japan

Ngk Insulators, Inc.

Forward Citations = 35,762

2,171 inventors:

goldMedal Yukihisa Takeuchi (305 out of 350 patents)

silverMedal Tsutomu Nanataki (224 out of 224 patents)

bronzeMedal Kazuyoshi Shibata (111 out of 114 patents)

4.  Yukio Miyairi (107 out of 107 patents)

5.  Koji Kimura (106 out of 126 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Ngk Insulators, Inc.. Retrieved from https://idiyas.com/company/ngk-insulators

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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