logo

For the Inventor, By the Inventor

Toyota, Japan

Kazuaki Watanabe

This inventor holds 26 USPTO granted patents, primarily in Automatic Transmission Technology. Top assignees: Toyota Jidosha Kabushiki Kaisha, Aisin-Warner Limited, Toyota Jidosha Kogyo Kabushiki Kaisha. Active years: 1977-1992.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kazuaki Watanabe. Retrieved from https://idiyas.com/inventor/kazuaki-watanabe

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

USPTO Granted Patents = 26

% Patents Active = 100.0

Average Co-Inventor Count = 3.9

ph-index = 10

Forward Citations = 237(Granted Patents)


Location History:

  • Toyota, JA (1977)
  • Toyota, JP (1978 - 1990)
  • Aichi, JP (1979 - 1992)

Company Filing History:

goldMedal13 out of 38,912 
 
Toyota Jidosha Kabushiki Kaisha
 patents
silverMedal12 out of 54 
 
Aisin-Warner Limited
 patents
bronzeMedal7 out of 1,838 
 
Toyota Jidosha Kogyo Kabushiki Kaisha
 patents
4. 5 out of 132 
 
Aisin-Warner Kabushiki Kaisha
 patents
5. 1 out of 30 
 
Aisin Aw Kabushiki Kaisha
 patents
6. 1 out of 5,207 
 
Aisin Seiki Kabushiki Kaisha
 patents
7. 1 out of 39 
 
Toyota Jidosha K.k.
 patents
8. 1 out of 131 
 
Toyota Motor Corporation
 patents
where one patent can have more than one assignee

Years Active: 1977-1992

Loading Chart...
Areas of Expertise:
Hydraulic Control
Multi-Disk Brake
Lubricating Structure
Friction Coupling
Power Transmission
Overdrive Device
Transmission Control
Gear System
Clutch Mechanism
Brake Support
Servo Mechanism
Automobile Transmissions
26 patents (USPTO):Explore Patents
1. 5085102 - Hydraulic control apparatus for automatic transmissions (1992-02-04),
2. 5009290 - Multi-disk brake for automatic transmission (1991-04-23),
3. 4922765 - Lubricating structure for transmission mechanism (1990-05-08),
4. 4890512 - Hydraulic servo for friction coupling element of automatic transmission (1990-01-02),
5. 4807492 - Mechanism for supporting transmission shafts of automatic transmission (1989-02-28),
6. 4753132 - Hydraulic servo for friction coupling devices of automatic transmissions (1988-06-28),
7. 4736653 - Power transmission (1988-04-12),
8. 4735111 - Brake support mechanism for transmissions (1988-04-05),
9. 4726262 - Automatic transmission with overdrive inhibitor (1988-02-23),
10. 4724745 - Hydraulic servo drum for friction clutch (1988-02-16),
11. 4716998 - Direct coupling clutch with a damper device for a fluid coupling (1988-01-05),
12. 4714146 - Friction coupling element of automatic transmission (1987-12-22),
13. 4693353 - Support for transmission shaft and hydraulic servo drum (1987-09-15),
14. 4693348 - Direct coupling clutch with an integral damper device for a fluid (1987-09-15),
15. 4690037 - Hydraulic servo for friction coupling element of automatic transmission (1987-09-01),

Title: Kazuaki Watanabe: Innovator at Toyota

Introduction: Kazuaki Watanabe is a renowned inventor based in Toyota, Japan, known for his groundbreaking contributions to the field of automotive technology.

Latest Patents: Watanabe holds several patents related to hybrid vehicle systems, energy-efficient engines, and safety features in automobiles.

Career Highlights: With a career spanning over two decades at Toyota, Watanabe has played a pivotal role in the development of eco-friendly vehicles and cutting-edge automotive technologies.

Collaborations: Throughout his career, Watanabe has collaborated with top engineers, designers, and researchers within Toyota and across the automotive industry to bring innovative solutions to life.

Conclusion: Kazuaki Watanabe's dedication to innovation and his relentless pursuit of excellence have solidified his reputation as a visionary inventor 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]
Loading…