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Ngk Insulators, Inc.

Calculating rank

USPTO Granted Patents = 5,111

% Expired Patents = 14.6

CIPO Patents = 25

EPO Patents = 1,197

Trademarks = 19

Forward Citations = 35,953

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2,185 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 (109 out of 109 patents)

5. Koji Kimura (106 out of 126 patents)

6. Makoto Ohmori (103 out of 107 patents)

7. Jungo Kondo (97 out of 98 patents)

8. Yuji Katsuda (83 out of 83 patents)

9. Nobuhide Kato (83 out of 83 patents)

10. Yusuke Watanabe (81 out of 85 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

5,111 patents: Sort by Forward Citations

1. 12796397 - Wafer placement table and method of using the same (2026-11-10),

2. 12795826 - Ceramic wiring member (2026-11-10),

3. 12795783 - Heater and heating member (2026-11-10),

4. 12794442 - Composite substrate, surface acoustic wave element, and method for manufacturing composite substrate (2026-11-10),

5. 12793985 - Negative electrode and zinc secondary battery (2026-11-10),

6. 12793946 - Wafer placement table (2026-11-10),

7. 12791785 - Composite substrate for photonic crystal element, and photonic crystal element (2026-11-10),

8. 12791515 - Gas sensor (2026-11-10),

9. 12790282 - Ceramic body and method for producing same (2026-11-10),

10. 12789148 - Zeolite membrane complex, method of producing zeolite membrane complex, and separation method (2026-11-10),

11. 12787705 - Member for semiconductor manufacturing apparatus (2026-11-03),

12. 12787159 - Ceramic wiring member (2026-11-03),

13. 12782314 - Sensor element of gas sensor (2026-11-03),

14. 12782058 - Honeycomb structure and heat exchanger (2026-11-03),

15. 12782001 - Heater element for vehicle compartment heating and method for using same, and heater for vehicle compartment heating (2026-11-03),

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.

Company Badge

USPTO Data Jan 1 1976 - Nov 10 2026

5,111 Patents

#2 in Nagoya

#49 in Japan

#178 in the World

Ngk Insulators, Inc.

Forward Citations = 35,953

2,185 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 (109 out of 109 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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