Company Filing History:

13 out of 42,496

Hitachi, Ltd.

patents

3 out of 152

Hitachi Automotive Engineering Co., Ltd.

patents

2 out of 1,037

Agency of Industrial Science and Technology

patents

4. 1 out of 832,843

Other

patents

where one patent can have more than one assignee

Years Active: 1977-1997

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16 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5650700 - Electric vehicle torque controller (1997-07-22),

2. 5583406 - Control method and system for regeneration braking of an electric vehicle (1996-12-10),

3. 5549172 - Electric vehicle drive system and drive method (1996-08-27),

4. 5481168 - Electric vehicle torque controller (1996-01-02),

5. 5414339 - Electric vehicle control system (1995-05-09),

6. 5355749 - Control apparatus and control method for motor drive vehicle (1994-10-18),

7. 5309073 - Electric vehicle control device (1994-05-03),

8. 4926960 - Electric power steering apparatus for vehicle (1990-05-22),

9. 4875539 - Electric power steering control system (1989-10-24),

10. 4869334 - Electric motor-driven power steering apparatus (1989-09-26),

11. 4865148 - Vehicle height control apparatus responsive to power steering operation (1989-09-12),

12. 4584528 - Speed detecting method and apparatus (1986-04-22),

13. 4500820 - Protective control apparatus for electrical vehicle (1985-02-19),

14. 4218730 - Transistor switching apparatus for use in the control of a D.C. load (1980-08-19),

15. 4174645 - Automatic change-gear control device for use in electromobile (1979-11-20),

Title: Tsutomu Ohmae - The Innovative Mind Behind Hitachi

Introduction: Tsutomu Ohmae is a renowned inventor hailing from Hitachi, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Tsutomu Ohmae holds several patents in the areas of electronics, telecommunications, and computer science, showcasing his continuous dedication to pushing the boundaries of technological advancement.

Career Highlights: With a career spanning several decades, Tsutomu Ohmae has worked extensively in research and development, playing a pivotal role in the creation of cutting-edge technologies that have revolutionized industries worldwide.

Collaborations: Throughout his career, Tsutomu Ohmae has collaborated with leading experts, researchers, and companies in the tech sector, fostering a culture of innovation and knowledge-sharing that has led to numerous breakthroughs.

Conclusion: Tsutomu Ohmae's relentless pursuit of innovation and his passion for pushing the limits of technology have solidified his reputation as a visionary inventor in the global tech community.

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