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Ngk Insulators, Inc.

USPTO Granted Patents = 4,932

CIPO Patents = 25

EPO Patents = 1,189

Trademarks = 30

Forward Citations = 35,207

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2,098 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. Yukio Miyairi (104 out of 104 patents)

6. Makoto Ohmori (103 out of 107 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 (70 out of 70 patents)

13. Yusuke Watanabe (66 out of 66 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

4,932 patents: Sort by Forward Citations

1. 12532707 - Wafer placement table (2026-01-20),

2. 12531218 - Wafer placement table (2026-01-20),

3. 12529717 - Electronic component inspection method (2026-01-20),

4. 12528746 - Pillar-shaped honeycomb structure and method for manufacturing same (2026-01-20),

5. 12528040 - Honeycomb filter (2026-01-20),

6. 12523167 - Honeycomb structure, exhaust gas purifying device and method for producing honeycomb structure (2026-01-13),

7. 12521705 - Honeycomb structure and exhaust gas purifying device (2026-01-13),

8. 12521698 - Pillar-shaped honeycomb structure (2026-01-13),

9. 12519112 - LDH-like compound separator and zinc secondary battery (2026-01-06),

10. 12519001 - Member for semiconductor manufacturing apparatus (2026-01-06),

11. 12517085 - Gas sensor and method of controlling gas sensor (2026-01-06),

12. 12517082 - Gas sensor (2026-01-06),

13. 12506028 - Member for semiconductor manufacturing apparatus (2025-12-23),

14. 12502634 - Honeycomb filter (2025-12-23),

15. 12500071 - Wafer placement table (2025-12-16),

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 - Jan 20 2026

4,932 Patents

#2 in Nagoya

#50 in Japan

#181 in the World

Ngk Insulators, Inc.

Forward Citations = 35,207

2,098 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. Yukio Miyairi (104 out of 104 patents)

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