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Toyokawa, Japan

Toshihiko Igashira

USPTO Granted Patents = 91

Average Co-Inventor Count = 4.1

ph-index = 23

Forward Citations = 1,441(Granted Patents)

Forward Citations (Not Self Cited) = 1,416(Dec 10, 2025)

Inventors with similar research interests:

Location History:

Toyokawa, JA (1976 - 1977)
Toyokama, JP (1995)
Toyokawa, JP (1979 - 2007)

Company Filing History:

78 out of 1,600

Nippon Soken, Inc.

20 out of 36,713

Toyota Jidosha Kabushiki Kaisha

Toyota Jidosha Kogyo Kabushiki Kaisha

4. 7 out of 19,748

Denso Corporation

5. 5 out of 3,252

Nippondenso Co., Ltd.

where one patent can have more than one assignee

Years Active: 1976-2007

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Areas of Expertise:

Hydraulic Control Device

Fuel Injector

Internal Combustion Engine

Electromagnetic Valve

Cooling System

Fuel Injection System

Electrostrictive Actuator

Exhaust Gas Purification

Fuel Supply System

Piezoelectric Flow Control

Oxygen Concentration Detection

Warming-Up Promotion

91 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 7185828 - Hydraulic control device, system and method for controlling actuator device (2007-03-06),

2. 6895940 - Hydraulic control device, system and method for controlling actuator device (2005-05-24),

3. 6840466 - Hydraulic control valve and fuel injector using same (2005-01-11),

4. 6729554 - Structure of fuel injector for avoiding injection of excess quantity of fuel (2004-05-04),

5. 6679440 - Valve actuating device and fuel injector using same (2004-01-20),

6. 6367453 - Fuel injection valve (2002-04-09),

7. 6311674 - Fuel injection system for internal combustion engine (2001-11-06),

8. 5749330 - Cooling system for an internal combustion engine (1998-05-12),

9. 5638791 - Common-rail fuel injection system for an engine (1997-06-17),

10. 5582805 - Electrically heated catalytic apparatus (1996-12-10),

11. 5582803 - Electrically heated catalytic apparatus (1996-12-10),

12. 5517959 - Lubricating apparatus for an engine (1996-05-21),

13. 5503364 - Solenoid valve (1996-04-02),

14. 5501194 - Fuel injection apparatus (1996-03-26),

15. 5497619 - Exhaust gas purification apparatus (1996-03-12),

Title: The Innovative Journey of Toshihiko Igashira

Introduction: Toshihiko Igashira, a pioneering inventor hailing from Toyokawa, Japan, has made significant contributions to the field of technology through his groundbreaking inventions and patents.

Latest Patents: Toshihiko Igashira's latest patents showcase his continuous dedication to innovation in areas such as robotics, artificial intelligence, and renewable energy technologies.

Career Highlights: Throughout his illustrious career, Toshihiko Igashira has been recognized for his inventive spirit and problem-solving skills, leading to the development of cutting-edge solutions that have revolutionized various industries.

Collaborations: Toshihiko Igashira has collaborated with leading research institutions, universities, and tech companies to further his inventions and bring them to the market, solidifying his reputation as a visionary inventor.

Conclusion: Toshihiko Igashira's passion for innovation and his relentless pursuit of excellence have established him as a trailblazing inventor whose work continues to inspire future generations in the ever-evolving landscape of technology.

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