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Tokio Kohama

USPTO Granted Patents = 87

Average Co-Inventor Count = 4.7

ph-index = 18

Forward Citations = 1,340(Granted Patents)

Forward Citations (Not Self Cited) = 1,288(Dec 10, 2025)

Inventors with similar research interests:

Location History:

Nishio, JA (1976 - 1978)
Nishio, JP (1978 - 2003)

Company Filing History:

76 out of 1,600

Nippon Soken, Inc.

16 out of 3,252

Nippondenso Co., Ltd.

13 out of 36,653

Toyota Jidosha Kabushiki Kaisha

4. 13 out of 1,838

Toyota Jidosha Kogyo Kabushiki Kaisha

5. 2 out of 19,733

Denso Corporation

6. 1 out of 327

Kureha Corporation

Toyoda Jidosha Kabushika Kaisha

8. 2 out of 832,843

Other

patents

where one patent can have more than one assignee

Years Active: 1976-2003

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Areas of Expertise:

Pressure Detection

Spark Plug Technology

Fuel Supply Systems

Abnormal Combustion Detection

Combustion Monitoring

Evaporative Emission Control

Engine Noise Control

Intake Control Systems

Torque Detection

Air-Fuel Ratio Control

Gas Flow Measurement

Thermal Flowmeters

87 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 6604424 - Pressure detecting apparatus and installation structure of same (2003-08-12),

2. 6265814 - Spark plug having a bypass electrode extending along a bypass path between center and ground electrode (2001-07-24),

3. 6227169 - Fuel supply system for internal combustion engines having fuel leakage restricting structure (2001-05-08),

4. 6105552 - Abnormal combustion detection apparatus and method for internal (2000-08-22),

5. 6104195 - Apparatus for detecting a condition of burning in an internal combustion (2000-08-15),

6. 6026781 - Fuel injection control device of cylinder direct injection engine (2000-02-22),

7. 6020742 - Combustion monitoring apparatus for internal combustion engine (2000-02-01),

8. 5970963 - Apparatus for preventing flow noise in throttle valve (1999-10-26),

9. 5925819 - Combustion monitoring apparatus for internal combustion engine (1999-07-20),

10. 5915364 - Canister for use in evaporative emission control system for automotive (1999-06-29),

11. 5914457 - Activated charcoal canister (1999-06-22),

12. 5791043 - Process of producing metal catalyst carrier (1998-08-11),

13. 5749330 - Cooling system for an internal combustion engine (1998-05-12),

14. 5692480 - Evaporative emission control system for automotive vehicle (1997-12-02),

15. 5692052 - Engine noise control apparatus (1997-11-25),

Title: The Innovative Journey of Inventor Tokio Kohama

Introduction: Tokio Kohama, a pioneering inventor hailing from Nishio, Japan, has made significant contributions to the world of innovations with his groundbreaking ideas and inventions.

Latest Patents: Kohama's latest patents showcase his commitment to pushing the boundaries of technology and creativity, with a focus on improving everyday life through his inventions.

Career Highlights: Throughout his illustrious career, Tokio Kohama has been recognized for his inventive spirit and dedication to creating solutions that make a difference. His work has not only earned him numerous patents but has also inspired a new generation of inventors.

Collaborations: Kohama has collaborated with leading research institutions and universities to further his innovative projects, demonstrating his ability to work across disciplines and bring diverse perspectives to his work.

Conclusion: In conclusion, Tokio Kohama stands as a testament to the power of innovation and the impact that one individual can have on the world. His inventions continue to shape industries and improve lives, leaving a lasting legacy in the field of technology and beyond.

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