Company Filing History:

31 out of 36,653

Toyota Jidosha Kabushiki Kaisha

where one patent can have more than one assignee

Years Active: 2006-2020

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31 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 10563738 - Vehicular automatic transmission (2020-02-18),

2. 10508728 - Resin side cover for transmission case (2019-12-17),

3. 9702381 - Hydraulic control system (2017-07-11),

4. 8677741 - Vehicle driving apparatus (2014-03-25),

5. 8583335 - Control device for vehicular drive apparatus (2013-11-12),

6. 8066608 - Automatic transmission (2011-11-29),

7. 7972237 - Gear train unit with motor generator (2011-07-05),

8. 7748504 - Hydraulic servo for a brake in an automatic transmission (2010-07-06),

9. 7682276 - Hydraulic control system for use in a motor vehicle and method for controlling the hydraulic control system (2010-03-23),

10. 7648013 - Oil pressure supply in an automatic transmission (2010-01-19),

11. 7604558 - Automatic transmission with lubricating structure (2009-10-20),

12. 7585243 - Automatic transmission (2009-09-08),

13. 7559867 - Connection structure for automatic transmission (2009-07-14),

14. 7524267 - Control apparatus for vehicular automatic transmission (2009-04-28),

15. 7517297 - Multistage transmission (2009-04-14),

Title: Hirofumi Ota – Innovator in Automotive Transmission Technology

Introduction

Hirofumi Ota, a prolific inventor based in Toyota, Japan, has made significant contributions in the field of automotive engineering. With a remarkable portfolio of 31 patents, he specializes in the design and development of innovative vehicular systems, particularly in automatic transmissions.

Latest Patents

Hirofumi Ota's latest patents demonstrate his expertise in designing advanced vehicular automatic transmissions. One of his notable inventions is a complex vehicular automatic transmission that integrates multiple engagement devices and planetary gear sets. This design enhances efficiency by allowing seamless coupling between rotating elements, optimizing gear positions without transmitting torque unnecessarily. Additionally, he has developed a resin side cover for a transmission case specifically suited for front-engine, front-wheel-drive vehicles. This innovative cover not only aids in oil storage but also includes a unique protrusion that enhances the structure’s integrity against oil levels.

Career Highlights

Throughout his career, Hirofumi Ota has worked with prominent companies in the automotive industry, particularly Toyota Motor Corporation and Aisin Aw Co., Ltd. His experience in these organizations has allowed him to refine his skills in transmission technology, leading to numerous patents that push the boundaries of automotive engineering.

Collaborations

Hirofumi Ota has collaborated with noteworthy professionals in the field, including Atsushi Honda and Akiharu Abe. Their teamwork has fostered innovation and driven forward the development of new technologies in the automotive sector, enhancing the overall efficiency and performance of vehicles.

Conclusion

Hirofumi Ota is a distinguished inventor whose work on vehicular automatic transmission systems exemplifies the spirit of innovation in the automotive industry. His contributions through his patents reflect a commitment to improving vehicle performance and reliability, solidifying his legacy as a key figure in automotive engineering.

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