Katsuhiko Kawai

This inventor holds 15 USPTO granted patents. Top assignees: Nippondenso Co., Ltd., Denso Corporation, Niopondenso Co., Ltd.. Active years: 1988-2005.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Katsuhiko Kawai. Retrieved from https://idiyas.com/inventor/katsuhiko-kawai

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

USPTO Granted Patents = 15

% Patents Active = 80.0

Average Co-Inventor Count = 2.2

ph-index = 9

Forward Citations = 205(Granted Patents)

Location History:

Kariya, JP (1993 - 1996)
Nagoya, JP (1988 - 2005)

Company Filing History:

8 out of 3,252

Nippondenso Co., Ltd.

Niopondenso Co., Ltd.

patent

Years Active: 1988-2005

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15 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 6856888 - Vehicular control system (2005-02-15),

2. 6718252 - Control apparatus for internal combustion engine (2004-04-06),

3. 6591183 - Control apparatus for internal combustion engine (2003-07-08),

4. 6474308 - Apparatus for detecting fuel property for internal combustion engine (2002-11-05),

5. 6321721 - Apparatus for detecting the fuel property for an internal combustion engine (2001-11-27),

6. 5845489 - Abnormality detector for air-fuel ratio control system (1998-12-08),

7. 5784879 - Air-fuel ratio control system for internal combustion engine (1998-07-28),

8. 5611315 - Fuel supply amount control apparatus for internal combustion engine (1997-03-18),

9. 5544639 - Temperature predicting system for internal combustion engine and (1996-08-13),

10. 5479897 - Control apparatus for internal combustion engine (1996-01-02),

11. 5390489 - Air-fuel ratio control system for internal combustion engine (1995-02-21),

12. 5363817 - Valve operation timing regulation apparatus for internal combustion (1994-11-15),

13. 5313395 - Speed control system for an internal combustion engine (1994-05-17),

14. 5184588 - Engine control apparatus (1993-02-09),

15. 4785780 - Control apparatus (1988-11-22),

Title: The Innovations of Katsuhiko Kawai

Introduction

Katsuhiko Kawai is a prominent inventor based in Nagoya, Japan. He has made significant contributions to the field of vehicular control systems, holding a total of 15 patents. His work focuses on enhancing the efficiency and performance of internal combustion engines through innovative control mechanisms.

Latest Patents

Kawai's latest patents include a vehicular control system that adaptively determines a gain based on the difference between target and actual fuel ratios. This system utilizes a correction value to ensure optimal performance, even when accounting for dead time in the controlled system. Another notable patent is a control apparatus for internal combustion engines, which calculates air-fuel ratio correction coefficients to maintain stability in engine performance. This innovation prevents confusion in air-fuel ratios, ensuring that the engine operates efficiently under varying conditions.

Career Highlights

Throughout his career, Kawai has worked with notable companies such as Nippondenso Co., Ltd. and Denso Corporation. His experience in these organizations has allowed him to develop and refine his innovative ideas, contributing to advancements in automotive technology.

Collaborations

Kawai has collaborated with esteemed colleagues, including Shigenori Isomura and Hisayo Dohta. Their combined expertise has fostered a creative environment that has led to groundbreaking developments in vehicular technology.

Conclusion

Katsuhiko Kawai's contributions to the field of vehicular control systems exemplify the impact of innovation in automotive engineering. His patents reflect a commitment to improving engine performance and efficiency, solidifying his reputation as a leading inventor in Japan.

Profile summary based on public USPTO records.

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]