Company Filing History:

12 out of 36,653

Toyota Jidosha Kabushiki Kaisha

patents

11 out of 1,838

Toyota Jidosha Kogyo Kabushiki Kaisha

patents

2 out of 229

Nippon Piston Ring Co., Ltd.

patents

4. 1 out of 1,139

Kabushiki Kaisha Toyota Chuo Kenkyusho

patents

where one patent can have more than one assignee

Years Active: 1978-1996

Loading Chart...

23 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5531225 - Measuring apparatus for a component contained in exhalation (1996-07-02),

2. 4940125 - Drive mechanism in part-time four-wheel drive vehicle (1990-07-10),

3. 4930373 - Brake system for automatic transmission (1990-06-05),

4. 4916980 - Planetary gear type speed change device to provide six forward speed (1990-04-17),

5. 4872376 - Transmission for a vehicle having improved performance for shifting (1989-10-10),

6. 4860607 - Automatic transmission for automotive vehicle (1989-08-29),

7. 4798272 - Hydraulically operated friction clutch having automatic wear (1989-01-17),

8. 4795011 - Hydraulic control device for hydraulically operated friction clutch (1989-01-03),

9. 4785923 - Slippage control system for lock up clutch assembly for fluid coupling, (1988-11-22),

10. 4742724 - Power-assisted gear-shift mechanism for manual transmission (1988-05-10),

11. 4739864 - Electromagnetic powder clutch for use in a power transmitting system (1988-04-26),

12. 4723643 - Power transmitting system for automotive vehicle, incorporating (1988-02-09),

13. 4324321 - Automatic transmission for automobiles (1982-04-13),

14. 4315719 - Non-lubricated rotary pump with discharge through end heads (1982-02-16),

15. 4286933 - Rotary vane pump with pairs of end inlet or outlet ports (1981-09-01),

Title: Fumihiro Ushijima: Innovator in Alcohol Detection and Drive Mechanisms

Introduction

Fumihiro Ushijima, based in Toyota, Japan, is a prominent inventor recognized for his significant contributions to technology, holding a total of 23 patents. His innovative spirit has led to advancements in both alcohol measurement devices and automotive drive mechanisms.

Latest Patents

Among Ushijima's latest patents is a measuring apparatus for detecting alcohol in exhalation. This device is designed to measure the concentration of alcohol with high accuracy within a short timeframe. It features an alcohol sensor located within an air passage, which measures the concentration of alcohol in the air. The apparatus includes a heating element for the sensor and a suction pump to draw air through the passage, ensuring precise measurements.

Additionally, Ushijima has developed a drive mechanism for part-time four-wheel drive vehicles. This mechanism involves a limited slip type that includes driving and driven members, connected by a friction clutch. A fluid pump operates between these members, enhancing the vehicle's operation by enabling better control of fluid circulation and clutch engagement.

Career Highlights

Ushijima has built an impressive career at notable companies such as Toyota Motor Corporation and Toyota Jidosha Kogyo Kabushiki Kaisha. His work has greatly influenced advancements in automotive technology, showcasing his dedication to improving vehicle performance and safety.

Collaborations

Throughout his career, Fumihiro Ushijima has collaborated with several respected colleagues, including Hiroshi Sakamaki and Tadashi Saitou. These partnerships have contributed to his success and the development of innovative solutions in the automotive field.

Conclusion

Fumihiro Ushijima’s inventive contributions continue to push the boundaries of technology, particularly in the areas of alcohol detection and vehicle drive mechanisms. With his extensive patent portfolio and collaborative efforts, Ushijima remains a key figure in the innovation landscape.

This text is generated by artificial intelligence and may not be accurate.

Please report any incorrect information to support@idiyas.com