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For the Inventor, By the Inventor

Gunma, Japan

Kazumitsu Kobayashi

This inventor holds 20 USPTO granted patents, primarily in Internal Combustion Engine. Top assignees: Japan Electronic Control Systems Company, Limited, Unisia Jecs Corporation, Sanden Corporation. Active years: 1991-2004.

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

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

USPTO Granted Patents = 20

% Patents Active = 95.0

Average Co-Inventor Count = 2.4

ph-index = 9

Forward Citations = 252(Granted Patents)


Location History:

  • Iseaki, JP (1993)
  • Isesaki, JP (1992 - 1994)
  • Atsugi, JP (1994 - 1995)
  • Isezaki, JP (1991 - 1996)
  • Gunma, JP (1991 - 2004)

Company Filing History:

goldMedal13 out of 130 
 
Japan Electronic Control Systems Company, Limited
 patents
silverMedal6 out of 556 
 
Unisia Jecs Corporation
 patents
bronzeMedal5 out of 1,041 
 
Sanden Corporation
 patents
4. 3 out of 13,420 
 
Nissan Motor Company Limited
 patents
5. 1 out of 1 
 
Japan Electronic Control Co., Ltd.
 patent
6. 1 out of 834,513 
Other
 patents
where one patent can have more than one assignee

Years Active: 1991-2004

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Areas of Expertise:
Fuel Injection Control
Refrigerant Detection
Sensor Systems
Internal Combustion Engine
Automotive Control
Hydrogen Pump Structure
Magnetostriction Actuator
Alcohol Concentration Measurement
Air Conditioning Systems
Assist Air Supply
Fuel Character Judging
Coolant Sensors
20 patents (USPTO):Explore Patents
1. 6705281 - Piston for an internal combustion engine (2004-03-16),
2. 6135090 - Fuel injection control system (2000-10-24),
3. 5488311 - Apparatus and method for measuring alcohol concentration of liquid (1996-01-30),
4. 5403167 - Structure of liquefield hydrogen pump (1995-04-04),
5. 5398516 - Method and apparatus for detecting an insufficiency of refrigerant in an (1995-03-21),
6. 5363314 - Fuel character judging system (1994-11-08),
7. 5361053 - Super magnetostriction type actuator (1994-11-01),
8. 5355858 - Assist-air type fuel injection method and device for internal combustion (1994-10-18),
9. 5275009 - Sensor and control system for an automotive air conditioning system (1994-01-04),
10. 5249431 - Residual coolant sensor for air conditioning system (1993-10-05),
11. 5207204 - Method of and an apparatus for supplying assist air into a combustion (1993-05-04),
12. 5198982 - Automotive vehicle control system for predicting road friction level (1993-03-30),
13. 5197298 - Sensor and control system for an automotive air conditioning system (1993-03-30),
14. 5187942 - Refrigerant overcharge prevention system (1993-02-23),
15. 5176007 - Refrigerator with lubricant mixture sensor (1993-01-05),

Title: The Innovative Contributions of Kazumitsu Kobayashi

Introduction

Kazumitsu Kobayashi, a prominent inventor based in Gunma, Japan, has made significant strides in the field of internal combustion engine technology. With a total of 20 patents to his name, Kobayashi's work highlights his dedication to advancing automotive engineering.

Latest Patents

Among his latest innovations, Kobayashi has developed a unique piston design for internal combustion engines. This piston features a specially designed cavity on its top surface, enabling the mixture charge drawn from the intake port to swirl around a horizontal axis before reaching the combustion chamber. Additionally, he has created a fuel injection control system that consists of multiple fuel injector valves and a pumping system. This intricate system includes a high-pressure pump section that efficiently manages fuel flow through a series of valves and a fuel-pressure control valve that regulates the pressure for optimal performance.

Career Highlights

Kobayashi has had a distinguished career, contributing his expertise to renowned companies such as Japan Electronic Control Systems Company, Limited and Unisia Jecs Corporation. His work in these organizations has been instrumental in fostering innovation within the automotive industry.

Collaborations

Throughout his career, Kobayashi has collaborated with several noteworthy professionals, including Masaru Kuribara and Kiyoshi Takeuchi. These partnerships have further enhanced his contributions to the field, allowing for a blend of ideas and expertise that drive technological advancements.

Conclusion

Kazumitsu Kobayashi's contributions to the field of internal combustion engine technology are noteworthy, with numerous patented inventions that showcase his ingenuity. As he continues to innovate, his work stands as a testament to the importance of research and development in the automotive sector.

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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