Hironori Bessho

This inventor holds 13 USPTO granted patents. Top assignees: Toyota Jidosha Kabushiki Kaisha, Toyota Jidosha Kogyo Kabushiki Kaisha. Active years: 1977-1992.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hironori Bessho. Retrieved from https://idiyas.com/inventor/hironori-bessho

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

USPTO Granted Patents = 13

% Patents Active = 100.0

Average Co-Inventor Count = 2.5

ph-index = 8

Forward Citations = 181(Granted Patents)

Location History:

Susono, JA (1977 - 1978)
Susono, JP (1979 - 1992)

Company Filing History:

8 out of 38,970

Toyota Jidosha Kabushiki Kaisha

patents

5 out of 1,838

Toyota Jidosha Kogyo Kabushiki Kaisha

patents

Years Active: 1977-1992

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13 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5088281 - Method and apparatus for determining deterioration of three-way (1992-02-18),

2. 4745741 - Double air-fuel ratio sensor system having improved response (1988-05-24),

3. 4739614 - Double air-fuel ratio sensor system in internal combustion engine (1988-04-26),

4. 4729219 - Double air-fuel ratio sensor system having improved response (1988-03-08),

5. 4703619 - Double air-fuel ratio sensor system having improved response (1987-11-03),

6. 4693076 - Double air-fuel ratio sensor system having improved response (1987-09-15),

7. 4528963 - Method of and system for controlling restart of engine (1985-07-16),

8. 4446823 - Internal combustion engine passage construction with intake tubes (1984-05-08),

9. 4391243 - Method and apparatus of supplying fuel in electronic control fuel (1983-07-05),

10. 4186697 - Exhaust gas purification promoting device (1980-02-05),

11. 4170112 - Internal combustion engine of cleaned exhaust gas (1979-10-09),

12. 4096691 - Catalyst container for use in exhaust manifold (1978-06-27),

13. 4005576 - Internal combustion engine exhaust manifold with cylindrical built-in (1977-02-01),

Title: Hironori Bessho: Innovator in Automotive Technology

Introduction

Hironori Bessho is a notable inventor based in Susono, Japan. He has made significant contributions to automotive technology, particularly in the field of air-fuel ratio sensor systems. With a total of 13 patents to his name, Bessho's work has had a lasting impact on vehicle emissions control and efficiency.

Latest Patents

Among his latest patents, Bessho developed a method and apparatus for determining the deterioration of three-way catalysts in a double air-fuel ratio sensor system. This innovation estimates the full O₂ storage amount of the catalysts and compares it with a predetermined amount. If the estimated amount is smaller, it indicates that the catalysts have deteriorated. Another significant patent involves a double air-fuel ratio sensor system that includes two sensors positioned upstream and downstream of a catalyst converter. This system adjusts the actual air-fuel ratio based on the outputs of both sensors, ensuring optimal engine performance.

Career Highlights

Bessho has had a distinguished career, working with prominent companies such as Toyota Motor Corporation and Toyota Industries Corporation. His experience in these organizations has allowed him to refine his expertise in automotive technologies and contribute to innovative solutions in the industry.

Collaborations

Throughout his career, Bessho has collaborated with talented individuals, including Nobuaki Kayanuma and Toshiyasu Katsuno. These partnerships have fostered a creative environment that has led to the development of groundbreaking technologies.

Conclusion

Hironori Bessho's contributions to automotive technology through his patents and collaborations highlight his role as an influential inventor. His work continues to shape the future of vehicle efficiency and emissions control.

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]