Company Filing History:

19 out of 8,207

Yazaki Corporation

Years Active: 2001-2016

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27 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 9410513 - Engine configured to drive a diaphragm fuel pump using pressure fluctuation in a crank chamber of the engine (2016-08-09),

2. 9115645 - Engine-driven cutter (2015-08-25),

3. 9022004 - Four-stroke engine (2015-05-05),

4. 8793885 - Engine driven cutter (2014-08-05),

5. 8707928 - Lubrication apparatus for four-stroke engine (2014-04-29),

6. 8596482 - Liquid tank for working machine engine and liquid tank cap (2013-12-03),

7. 8439157 - Engine (2013-05-14),

8. 8387595 - Lubricating device for four-stroke engine (2013-03-05),

9. 7116009 - Power distribution apparatus for distributing power to various electrical loads (2006-10-03),

10. 6914385 - Load drive for driving lamps in vehicles (2005-07-05),

11. 6812672 - Electric charge control device and load driving device using the same (2004-11-02),

12. 6780066 - Arc discharge preventing device (2004-08-24),

13. 6775119 - Electrical connection system for vehicle (2004-08-10),

14. 6775113 - Safety device for power circuit and fuse box (2004-08-10),

15. 6762595 - Power distribution system (2004-07-13),

Title: Innovations by Tetsuya Hasegawa in Engine Technology

Introduction: Tetsuya Hasegawa is an accomplished inventor based in Shizuoka-ken, Japan, with a remarkable portfolio of 27 patents. His innovations primarily focus on engine technology, showcasing his expertise and contribution to this vital field.

Latest Patents: Hasegawa's latest patents illustrate his ingenuity and practical approach to engine design. One notable patent is for an engine configured to drive a diaphragm fuel pump using pressure fluctuation in a crank chamber. This innovative engine includes a crank chamber where pressure fluctuations occur, along with a carburetor featuring a diaphragm fuel pump designed to efficiently suck in and eject fuel. This design effectively utilizes the negative pressure created in the crank chamber, ensuring optimal performance.

Another significant innovation is his handheld engine-driven cutter. This device comes equipped with a disk blade driven by a main body that houses a four-stroke engine. The design features both an oil supplying opening and an oil exhausting opening located on one side of the main body, allowing for efficient engine oil management.

Career Highlights: Tetsuya Hasegawa has made significant contributions to the engineering domain through his work with renowned companies like Yazaki Corporation and Makita Corporation. His experience with these organizations has likely enriched his knowledge, enabling him to develop impactful technologies.

Collaborations: Throughout his career, Hasegawa has collaborated with talented professionals, including Yasuhiro Tamai and Masaki Sugiyama. These collaborations have fostered an environment of innovation and creativity, leading to the development of cutting-edge inventions.

Conclusion: Tetsuya Hasegawa's impressive array of patents and innovations in engine technology reflects his dedication to enhancing efficiency and functionality in engine design. His work not only contributes to the automotive industry but also showcases the potential for future advancements in engineering technologies. As he continues to innovate, his contributions will undoubtedly have a lasting impact on the field.

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