Company Filing History:

19 out of 13,411

Nissan Motor Company Limited

Years Active: 1980-2007

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20 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 7244210 - Power transmission apparatus for vehicle and vehicle-driving electric machinery system using the same (2007-07-17),

2. 5193436 - Engine piston (1993-03-16),

3. 5107807 - Piston for internal combustion engine (1992-04-28),

4. 5035210 - Piston assembly of internal combustion engine (1991-07-30),

5. 4944256 - Rocker arm arrangement for internal combustion engine poppet valves and (1990-07-31),

6. 4928650 - Operating arrangement for internal combustion engine poppet valves and (1990-05-29),

7. 4694797 - Fuel supply system for internal combustion engine (1987-09-22),

8. 4502454 - Ignition system for an internal combustion engine (1985-03-05),

9. 4497306 - Ignition system for an internal combustion engine (1985-02-05),

10. 4475492 - System for forcefully igniting sprayed fuel of a diesel engine during (1984-10-09),

11. 4457285 - Sustained arc ignition system for an internal combustion engine (1984-07-03),

12. 4442821 - Internal combustion engine ignition method (1984-04-17),

13. 4419601 - Spark plug for internal combustion engine (1983-12-06),

14. 4398526 - Plasma ignition system for internal combustion engine (1983-08-16),

15. 4395983 - Swirl-chamber Diesel engine with swirl chamber having depression for (1983-08-02),

Title: Kyugo Hamai: Innovator in Power Transmission and Engine Technology

Introduction

Kyugo Hamai, a prolific inventor based in Yokosuka, Japan, holds an impressive portfolio of 20 patents that showcase his significant contributions to vehicle power transmission and engine design. His work reflects a combination of innovative engineering and practical application, demonstrating his expertise in the automotive sector.

Latest Patents

One of Hamai's latest inventions is a power transmission apparatus for vehicles and a vehicle-driving electric machinery system utilizing the same. This invention enhances power transmission efficiency while maintaining a compact design and a high reduction gear ratio. The apparatus includes a motor, a reduction gear unit, and a differential gear unit, all strategically arranged to optimize vehicle performance. Additionally, Hamai has designed an engine piston that features a unique skirt shape below the piston head. This innovative skirt design incorporates elliptical cross-sections and a T-shaped projection that minimizes frictional resistance and wear between the piston and the cylinder, improving overall engine performance.

Career Highlights

Kyugo Hamai has made significant contributions to renowned companies, including Nissan Motor Company Limited and Hitachi, Ltd. His roles in these organizations allowed him to refine his skills and develop innovative technologies that contribute to the advancement of automotive engineering.

Collaborations

Throughout his career, Hamai has collaborated with notable colleagues, including Yasuhiko Nakagawa and Meroji Nakai. These partnerships have led to fruitful exchanges of ideas, further enhancing the innovations that emerge from his work.

Conclusion

Kyugo Hamai continues to push the boundaries of automotive technology through his inventive solutions. His patents not only reflect his individual creativity but also contribute to the collective advancement of the engineering community. As Hamai explores new avenues for innovation, the future holds exciting possibilities for both his career and the automotive industry as a whole.

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