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For the Inventor, By the Inventor

Toyota, Japan

Nobuyuki Kobayashi

This inventor holds 67 USPTO granted patents, primarily in Internal Combustion Engines (CPC class 1234). Top assignees: Toyota Jidosha Kabushiki Kaisha, Toyota Jidosha Kogyo Kabushiki Kaisha, Nippondenso Co., Ltd.. Active years: 1976-2001.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Nobuyuki Kobayashi. Retrieved from https://idiyas.com/inventor/nobuyuki-kobayashi

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

USPTO Granted Patents = 67

% Patents Active = 100.0

Average Co-Inventor Count = 2.5

ph-index = 15

Forward Citations = 778(Granted Patents)

Forward Citations (Not Self Cited) = 767(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Toyota, JA (1976 - 1978)
  • Aichi, JP (1984 - 1985)
  • Fujisawa, JP (1987)
  • Toyota-shi, Aichi-ken, JP (1988)
  • Toyota, JP (1978 - 1995)
  • Komoro-shi, Nagano JP (2001)

Company Filing History:

goldMedal40 out of 38,837 
 
Toyota Jidosha Kabushiki Kaisha
 patents
silverMedal25 out of 1,838 
 
Toyota Jidosha Kogyo Kabushiki Kaisha
 patents
bronzeMedal7 out of 3,252 
 
Nippondenso Co., Ltd.
 patents
4. 1 out of 2 
 
Nok-Megulastik Co., Ltd.
 patents
5. 2 out of 834,453 
Other
 patents
where one patent can have more than one assignee

Years Active: 1976-2001

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Areas of Expertise:
Air-Fuel Ratio Control
Ignition Timing
Fuel Injection
Catalytic Converter
Engine Idling Control
Electronic Control System
Misfire Detection
Deterioration Monitoring
Clutch Damper
Surging Detection
Evaporated Fuel Purge
67 patents (USPTO):Explore Patents
1. 6236544 - Actuator arm assembly for a magnetic disk apparatus (2001-05-22),
2. 5476081 - Apparatus for controlling air-fuel ratio of air-fuel mixture to an (1995-12-19),
3. 5423307 - Air-fuel ratio control system for internal combustion engine having (1995-06-13),
4. 5303548 - Device for determining deterioration of a catalytic converter for an (1994-04-19),
5. 5301501 - Device for determining deterioration of a catalytic converter for an (1994-04-12),
6. 5295472 - Apparatus for detecting malfunction in evaporated fuel purge system used (1994-03-22),
7. 5279116 - Device for determining deterioration of a catalytic converter for an (1994-01-18),
8. 5245866 - Device for detecting occurrence of misfiring in multicylinder engine (1993-09-21),
9. 4730587 - Control device of an internal combustion engine (1988-03-15),
10. 4725955 - Apparatus for controlling ignition timing in an internal combustion (1988-02-16),
11. 4719888 - Method and apparatus for controlling air-fuel ratio in internal (1988-01-19),
12. 4718014 - Apparatus for controlling ignition timing in an internal combustion (1988-01-05),
13. 4713766 - Method and apparatus for controlling air-fuel ratio in internal (1987-12-15),
14. 4696275 - Fuel injection method and device providing simple atmospheric pressure (1987-09-29),
15. 4693354 - Clutch damper (1987-09-15),

Title: The Innovative Journey of Nobuyuki Kobayashi

Introduction: Nobuyuki Kobayashi is a pioneering inventor hailing from Toyota, Japan, known for his groundbreaking contributions to the field of automotive technology.

Latest Patents: Kobayashi's recent patents focus on advancements in electric vehicle propulsion systems, autonomous driving technology, and sustainable energy solutions.

Career Highlights: With a career spanning over two decades, Kobayashi has held key roles in research and development at Toyota, leading teams that have revolutionized the automotive industry.

Collaborations: Kobayashi has collaborated with top engineers, scientists, and designers both within Toyota and across the globe, fostering innovation and pushing the boundaries of what is possible in the automotive sector.

Conclusion: Nobuyuki Kobayashi's relentless pursuit of innovation and his commitment to excellence have solidified his reputation as a visionary inventor in the realm of automotive technology.

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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