Company Filing History:

10 out of 36,499

Toyota Jidosha Kabushiki Kaisha

patents

2 out of 1,838

Toyota Jidosha Kogyo Kabushiki Kaisha

Aisin Seiki Kabushiki Kaisha

patents

where one patent can have more than one assignee

Years Active: 1978-1992

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13 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5085102 - Hydraulic control apparatus for automatic transmissions (1992-02-04),

2. 4982809 - Method and apparatus for controlling 4-wheel drive system for a motor (1991-01-08),

3. 4909345 - Power transmission device for four wheel drive vehicles (1990-03-20),

4. 4653353 - Spool-type control valve assembly with reduced spool stroke for (1987-03-31),

5. 4622866 - Transmission and transmission control device for providing downshifting (1986-11-18),

6. 4616521 - Transmission control method providing overlapped engagement of power (1986-10-14),

7. 4603596 - Actuation system for transmission synchronizer providing regulated (1986-08-05),

8. 4594908 - Transmission with two parallel driving shafts bearing two driving gears (1986-06-17),

9. 4576063 - Transmission mechanism with parallel transmission systems including one (1986-03-18),

10. 4566348 - Transmission with driven shaft and two clutching devices at the same (1986-01-28),

11. 4548101 - Transmission mechanism with parallel transmission systems including (1985-10-22),

12. 4266439 - Vibration damping device for a mechanical clutch release system (1981-05-12),

13. 4129050 - Gear means of an automatic transmission for automobiles (1978-12-12),

Title: Teruo Akashi: Innovator in Automotive Technology

Introduction

Teruo Akashi is a prominent inventor based in Toyota, Japan, known for his significant contributions to automotive technology. With a total of 13 patents to his name, Akashi has made remarkable advancements in hydraulic control systems and four-wheel drive mechanisms.

Latest Patents

One of his latest patents is a hydraulic control apparatus for automatic transmissions. This invention features a manual valve with multiple positions, including parking, reverse, neutral, and forward speeds. The design includes a drain port that releases hydraulic pressure in the parking position, ensuring efficient operation. Another notable patent is a method and apparatus for controlling a four-wheel drive system in motor vehicles. This system allows for controlled engagement of a differential control clutch, optimizing torque distribution between front and rear wheels during gear shifts.

Career Highlights

Throughout his career, Teruo Akashi has worked with notable companies such as Toyota Motor Corporation and Toyota Jidosha Kogyo Co., Ltd. His work has significantly influenced the development of advanced automotive technologies, particularly in transmission systems.

Collaborations

Akashi has collaborated with esteemed colleagues, including Hiroshi Ito and Shigemichi Yamada, contributing to various innovative projects within the automotive sector.

Conclusion

Teruo Akashi's contributions to automotive technology through his patents and collaborations have established him as a key figure in the industry. His work continues to impact the development of efficient and reliable vehicle systems.

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