Company Filing History:

22 out of 36,713

Toyota Jidosha Kabushiki Kaisha

where one patent can have more than one assignee

Years Active: 1997-2021

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22 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 10935078 - Motor having a mechanical seal for holding lubricating oil supplied to a bearing (2021-03-02),

2. 8505507 - Flow rate control valve (2013-08-13),

3. 8186318 - Variable valve operating apparatus for internal combustion engine (2012-05-29),

4. 8162794 - Mechanism for converting rotational motion into linear motion (2012-04-24),

5. 8037606 - Method of producing mechanism for converting rotational motion into linear motion (2011-10-18),

6. 7500725 - Hydraulic braking pressure control unit (2009-03-10),

7. 7406931 - Control apparatus for internal combustion engine (2008-08-05),

8. 7306196 - Electromagnetically driven valve (2007-12-11),

9. 7204566 - Hydraulic braking pressure control unit (2007-04-17),

10. 7156366 - Electromagnetically driven valve device (2007-01-02),

11. 6913326 - Apparatus for increasing brake cylinder pressure by controlling pump motor and reducing the pressure by controlling electric energy applied to control valve (2005-07-05),

12. 6817324 - Control unit of electromagnetically driven valve and control method thereof (2004-11-16),

13. 6164734 - Vehicle hydraulic braking system having reservoir for storing fluid (2000-12-26),

14. 6123397 - Brake fluid pressure control device (2000-09-26),

15. 6007164 - Brake fluid pressure control apparatus for compensating a malfunction of (1999-12-28),

Title: Kiyoharu Nakamura: Innovator in Mechanical Engineering

Introduction

Kiyoharu Nakamura, an accomplished inventor based in Seto, Japan, holds an impressive portfolio of 22 patents. His work primarily focuses on innovations in mechanical seals and flow rate control systems, contributing significantly to the automotive and machinery industries.

Latest Patents

One of Nakamura's latest patents involves a motor that incorporates a mechanical seal for efficiently holding lubricating oil supplied to a bearing. This innovative motor design helps to reduce temperature rise during operation, ultimately enhancing performance and longevity. The mechanical seal consists of a seal ring and a mating ring, with a unique through hole allowing lubricating oil to flow directly to the bearing.

Another notable patent by Nakamura is the design of a flow rate control valve. This device features a housing with an accommodation chamber that connects with oil passages, along with a spool that moves reciprocally within the chamber. This mechanism not only allows for intricate control of oil flow but also incorporates a phase adjustment portion to ensure optimal alignment and performance.

Career Highlights

Throughout his distinguished career, Kiyoharu Nakamura has made notable contributions while working with reputable companies such as Toyota and Denso Corporation. His innovations have not only advanced technology but have also enhanced operational efficiency in various automotive applications.

Collaborations

Nakamura has collaborated with esteemed colleagues, including Fumiaki Kawahata and Akira Sakai. Together, they have explored advanced concepts and developed practical solutions in mechanical engineering and automotive technologies, further establishing Nakamura's reputation in the field.

Conclusion

Kiyoharu Nakamura's contributions to mechanical engineering through his 22 patents illustrate his innovative spirit and dedication to advancing technology. His designs not only improve mechanical systems but also lay the groundwork for future innovations within the industry. As he continues to develop new ideas, Nakamura remains a significant figure in the realm of invention and innovation.

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