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For the Inventor, By the Inventor

Tokyo, Japan

Yasufumi Ideta

This inventor holds 13 USPTO granted patents. Top assignee: Nissan Motor Company Limited. Active years: 1980-1991.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yasufumi Ideta. Retrieved from https://idiyas.com/inventor/yasufumi-ideta

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 = 1.3

ph-index = 6

Forward Citations = 86(Granted Patents)


Location History:

  • Koganei, JP (1980)
  • Tokyo, JP (1981 - 1985)
  • Sagamihara, JP (1985 - 1986)
  • Ayase, JP (1991)

Company Filing History:

goldMedal13 out of 13,420 
 
Nissan Motor Company Limited
 patents

Years Active: 1980-1991

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13 patents (USPTO):Explore Patents
1. 4990126 - Continuously variable transmission (1991-02-05),
2. 4628754 - Output gear of automatic transmission (1986-12-16),
3. 4618036 - Hydraulic control system for lock-up clutch of torque converter (1986-10-21),
4. 4598612 - Pump control arrangement for automatic automotive transmission or the (1986-07-08),
5. 4541791 - Vaned hydraulic system (1985-09-17),
6. 4531898 - Control system for a vane type variable displacement pump (1985-07-30),
7. 4531624 - Check valve used with vacuum system for an automotive vehicle (1985-07-30),
8. 4485904 - Vacuum system for an automotive vehicle (1984-12-04),
9. 4423598 - Working fluid supply system for a hydraulic power booster and a power (1984-01-03),
10. 4359869 - Hydraulic power boost apparatus (1982-11-23),
11. 4338855 - Relief valve mechanism for a hydraulic booster (1982-07-13),
12. 4294160 - Oil pressure booster (1981-10-13),
13. 4227602 - Hydraulic power clutch control system having an inching valve (1980-10-14),

Title: Yasufumi Ideta: Innovator in Automotive Engineering

Introduction

Yasufumi Ideta is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of automotive engineering, holding a total of 13 patents. His work primarily focuses on advancements in transmission systems, which are crucial for enhancing vehicle performance and efficiency.

Latest Patents

Among his latest patents, Ideta has developed a continuously variable transmission that features a chamber housing a V-belt type system, which is separated from another chamber containing a differential mechanism. These chambers are interconnected through generally vertical holes that facilitate fluid communication with an oil pan. Additionally, he has designed an output gear for automatic transmissions, where the hub of the output gear is detachably connected to the rear end of a main power train. This innovative design allows the main power train to function as a power train for both front engine rear wheel drive and front engine front wheel drive vehicles. The hub includes an annular groove for lubricating oil, which is designed to enhance oil supply without hampering the gear's rotation.

Career Highlights

Yasufumi Ideta is currently employed at Nissan Motor Company Limited, where he continues to push the boundaries of automotive technology. His expertise in transmission systems has positioned him as a key player in the development of efficient and reliable vehicle components.

Collaborations

Throughout his career, Ideta has collaborated with notable colleagues such as Shoei Watanabe and Hiromi Taguchi. These partnerships have fostered innovation and have contributed to the successful development of various automotive technologies.

Conclusion

Yasufumi Ideta's contributions to automotive engineering, particularly in transmission systems, have made a lasting impact on the industry. His innovative patents and collaborations with esteemed colleagues highlight his dedication to advancing vehicle 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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