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For the Inventor, By the Inventor

Toyota, Japan

Katsuhiko Kodama

This inventor holds 8 USPTO granted patents. Top assignees: Nippondenso Co., Ltd., Toyoda Jidosha Kabushiki Kaisha, Toyota Jidosha Kabushiki Kaisha. Active years: 1984-1999.

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

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

USPTO Granted Patents = 8

% Patents Active = 100.0

Average Co-Inventor Count = 3.3

ph-index = 6

Forward Citations = 123(Granted Patents)


Location History:

  • Kariya, JP (1984)
  • Oobu, JP (1987)
  • Toyota, JP (1994 - 1999)

Company Filing History:

goldMedal7 out of 3,252 
 
Nippondenso Co., Ltd.
 patents
silverMedal1 out of 25 
 
Toyoda Jidosha Kabushiki Kaisha
 patents
bronzeMedal1 out of 38,912 
 
Toyota Jidosha Kabushiki Kaisha
 patents
where one patent can have more than one assignee

Years Active: 1984-1999

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8 patents (USPTO):Explore Patents
1. 5964202 - Controlling apparatus for throttle valve and for driving in internal (1999-10-12),
2. 5406927 - Air-fuel ratio control apparatus for internal combustion engine (1995-04-18),
3. 5299546 - Air-fuel ratio control apparatus of internal combustion engine (1994-04-05),
4. 5279114 - Apparatus for detecting deterioration of catalyst of internal combustion (1994-01-18),
5. 4640257 - Engine control with exhaust gas recirculation (1987-02-03),
6. 4454847 - Method for controlling the air-fuel ratio in an internal combustion (1984-06-19),
7. 4441473 - Closed loop mixture control using learning data resettable for fuel (1984-04-10),
8. 4430976 - Method for controlling air/fuel ratio in internal combustion engines (1984-02-14),

Title: Innovations of Katsuhiko Kodama

Introduction

Katsuhiko Kodama is a notable inventor based in Toyota, Japan, recognized for his contributions to automotive technology. He holds a total of 8 patents, showcasing his innovative spirit and technical expertise in the field.

Latest Patents

Kodama's latest patents include a controlling apparatus for a throttle valve and an air-fuel ratio control apparatus for internal combustion engines. The controlling apparatus aims to enhance throttle control by accurately detecting the throttle open degree, thereby eliminating the adverse effects of multiplexing idle control data. This invention ensures that the idle control amount is effectively canceled by subtracting the idle target open degree from the detected throttle open degree. Additionally, it addresses response delays by using previous measurements when necessary. The air-fuel ratio control apparatus is designed to optimize the air-fuel mixture supplied to the engine by managing evaporated fuel concentrations and adjusting learning values based on feedback from oxygen sensors.

Career Highlights

Throughout his career, Kodama has worked with prominent companies such as Nippondenso Co., Ltd. and Toyota Motor Corporation. His experience in these organizations has significantly contributed to his development as an inventor and innovator in the automotive sector.

Collaborations

Kodama has collaborated with notable colleagues, including Shigenori Isomura and Toshio Kondo. Their teamwork has likely fostered an environment of creativity and innovation, leading to advancements in automotive technologies.

Conclusion

Katsuhiko Kodama's work exemplifies the spirit of innovation in the automotive industry. His patents reflect a commitment to improving vehicle performance and efficiency.

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]
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