Company Filing History:

14 out of 36,771

Toyota Jidosha Kabushiki Kaisha

where one patent can have more than one assignee

Years Active: 1988-2000

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14 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 6135077 - Valve timing changing apparatus for internal combustion engine (2000-10-24),

2. 6131541 - Variable valve performance mechanism in internal combustion engine (2000-10-17),

3. 6067947 - Valve driving apparatus for engine (2000-05-30),

4. 6062183 - Variable valve operation control apparatus (2000-05-16),

5. 6035818 - Variable valve control apparatus (2000-03-14),

6. 6014952 - Valve timing control apparatus for an internal combustion engine (2000-01-18),

7. 5988128 - Valve driving apparatus for engine (1999-11-23),

8. 5988127 - Valve lifter structure (1999-11-23),

9. 5924397 - Variable valve performance apparatus for engine (1999-07-20),

10. 5924395 - System for regulating valve timing of internal combustion engine (1999-07-20),

11. 5893345 - Valve control apparatus for an internal combustion engine (1999-04-13),

12. 5870984 - Variable engine valve driver (1999-02-16),

13. 5816204 - Variable valve timing mechanism for internal combustion engine (1998-10-06),

14. 4722307 - Intake system for an electronic control fuel injection system for an (1988-02-02),

Title: Kiyoshi Sugimoto: Innovator in Valve Timing Technology

Introduction

Kiyoshi Sugimoto is a prominent inventor based in Okazaki, Japan. He has made significant contributions to the field of internal combustion engines, holding a total of 14 patents. His innovative work focuses on improving valve timing mechanisms, which are crucial for enhancing engine performance and efficiency.

Latest Patents

Among his latest patents is a "Valve Timing Changing Apparatus for Internal Combustion Engine." This invention addresses the need for precise control over valve timings of intake and exhaust valves, thereby preventing deterioration in the precision of valve overlap periods. The apparatus features a first variable valve timing mechanism mounted on the intake cam shaft and a second mechanism on the crank shaft. A timing belt connects various cam pulleys, allowing for synchronized changes in valve timings.

Another notable patent is the "Variable Valve Performance Mechanism in Internal Combustion Engine." This apparatus adjusts engine valves using a cam on a camshaft. The cam's surface varies in radius, enabling changes in valve timing and lift by altering the area engaged by the follower. These innovations reflect Sugimoto's commitment to advancing engine technology.

Career Highlights

Kiyoshi Sugimoto has worked with leading automotive companies, including Toyota Motor Corporation and Denso Corporation. His experience in these organizations has allowed him to develop and refine his inventions, contributing to the automotive industry's evolution.

Collaborations

Throughout his career, Sugimoto has collaborated with notable colleagues such as Yoshihito Moriya and Tadao Hasegawa. These partnerships have fostered a creative environment that has led to groundbreaking advancements in engine technology.

Conclusion

Kiyoshi Sugimoto's contributions to valve timing technology have significantly impacted the automotive industry. His innovative patents and collaborations with leading companies and colleagues highlight his dedication to enhancing engine performance. His work continues to inspire future advancements in internal combustion engine technology.

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