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Tokai Corporation

USPTO Granted Patents = 139

% Expired Patents = 7.9

EPO Patents = 2

Forward Citations = 1,780

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54 inventors (with patents filed for the assignee):

Tomio Nitta (48 out of 59 patents)

Hideo Mifune (25 out of 26 patents)

Masaki Saito (19 out of 26 patents)

4. Isao Inoue (17 out of 39 patents)

5. Toshihiro Ichikawa (16 out of 18 patents)

6. Yasuaki Nakamura (15 out of 31 patents)

7. Masato Seki (14 out of 15 patents)

8. Tsutomu Shike (14 out of 15 patents)

9. Yosimitu Kaga (10 out of 10 patents)

10. Minoru Kanno (8 out of 8 patents)

11. Noriyuki Serizawa (8 out of 10 patents)

12. Takashi Tsukamoto (7 out of 34 patents)

13. Takayuki Suzuki (4 out of 42 patents)

14. Yuzo Ochiai (4 out of 8 patents)

15. Toshihiko Eguchi (4 out of 5 patents)

Core Competencies:

Gas Lighter

Ignitor

Safety Device

Fuel Cell

Combustion Apparatus

Piezoelectric Ignition

Flame Reaction

Liquid Fuel

Portable Heater

Vaporization Device

Lighting Device

Catalyst Member

139 patents: Sort by Forward Citations

1. 10753895 - Orientation evaluation device, orientation evaluation method, and distribution evaluation device (2020-08-25),

2. D828951 - Lighter (2018-09-18),

3. D759298 - Lighter (2016-06-14),

4. D686879 - Gas lighter (2013-07-30),

5. D676193 - Lighter (2013-02-12),

6. D672085 - Lighter (2012-12-04),

7. 7776487 - Pressure regulator for a fuel cell, fuel supply system for a fuel cell using the regulator, electronic equipment having the fuel supply system, and fuel cartridge for a fuel cell (2010-08-17),

8. 7766032 - Fuel container for fuel cell (2010-08-03),

9. 7568910 - Ignitor (2009-08-04),

10. 7175117 - Substance-atomizing apparatus (2007-02-13),

11. D514742 - Lighter (2006-02-07),

12. 6979190 - Igniting operation mechanism of piezoelectric ignition firing rod (2005-12-27),

13. D510561 - Battery (2005-10-11),

14. 6939128 - Ignition operating mechanism for slide type lighters (2005-09-06),

15. 6837703 - Ignitor (2005-01-04),

Tokai Corporation is a multinational technology company specializing in the manufacturing and distribution of electronic components, car audio systems, and consumer electronic products. With over 50 years of experience, Tokai has established a strong global presence and is known for its commitment to innovation, quality, and customer satisfaction. Our wide range of products includes semiconductors, sensors, audio systems, automotive electronics, and industrial automation solutions. Visit our website to explore our latest offerings and learn more about our company.

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

Company Badge

USPTO Data Jan 1 1976 - Sep 15 2026

Tokai Corporation

139 Patents

#445 in Tokyo

#901 in Japan

#5,801 in the World

Tokai Corporation

Forward Citations = 1,780

54 inventors:

Tomio Nitta (48 out of 59 patents)

Hideo Mifune (25 out of 26 patents)

Masaki Saito (19 out of 26 patents)

4. Isao Inoue (17 out of 39 patents)

5. Toshihiro Ichikawa (16 out of 18 patents)

Please report any incorrect information to [email protected]

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