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For the Inventor, By the Inventor

Okazaki, Japan

Fumiaki Murakami

This inventor holds 12 USPTO granted patents and 1 EPO patent. Top assignees: Nippondenso Co., Ltd., Denso Corporation. Active years: 1988-2010.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Fumiaki Murakami. Retrieved from https://idiyas.com/inventor/fumiaki-murakami

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

USPTO Granted Patents = 12

% Patents Active = 100.0


Average Co-Inventor Count = 3.7

ph-index = 7

Forward Citations = 250(Granted Patents)


Location History:

  • Aichi, JP (1991)
  • Kariya, JP (1988 - 1993)
  • Okazaki, JP (1994 - 2010)

Company Filing History:

goldMedal8 out of 3,252 
 
Nippondenso Co., Ltd.
 patents
silverMedal4 out of 20,394 
 
Denso Corporation
 patents

Years Active: 1988-2010

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12 patents (USPTO):Explore Patents
1. 7712453 - Depressurizing valve and fuel injection device (2010-05-11),
2. 7578494 - Solenoid valve (2009-08-25),
3. 7552908 - Solenoid drive apparatus (2009-06-30),
4. 7441546 - Valve apparatus (2008-10-28),
5. 5544538 - Hydraulic controller for automatic transmission having automatic manual (1996-08-13),
6. 5523178 - Chemical cell (1996-06-04),
7. 5355714 - Pressure sensor using a pressure responsive magnetic film to vary (1994-10-18),
8. 5195383 - Steering torque detecting device (1993-03-23),
9. 5089967 - Auxiliary steering system associated with anti-skid control system for (1992-02-18),
10. 5043649 - Stepping motor unit and rotary control valve incorporating the same (1991-08-27),
11. 4802562 - Electronically controlled braking system without a master cylinder (1989-02-07),
12. 4747614 - Hydraulic cylinder mechanism (1988-05-31),

Title: Fumiaki Murakami: Innovator in Fuel Injection Technology

Introduction

Fumiaki Murakami is a notable inventor based in Okazaki, Japan. He has made significant contributions to the field of fuel injection technology, holding a total of 12 patents. His innovative designs have advanced the efficiency and functionality of fuel injection systems.

Latest Patents

Among his latest patents are a depressurizing valve and a solenoid valve. The depressurizing valve is designed to be mounted to a common rail for a fuel injection device. It allows for the adjustment of the connector's direction without compromising the air gap and sealing performance. The valve features a valve unit and a coil unit that can be detachably assembled, ensuring ease of maintenance. The solenoid valve includes a coil, a stator core, and a valve member, which work together to create a magnetic field that controls the valve's operation. This design enhances the reliability and responsiveness of fuel injection systems.

Career Highlights

Fumiaki Murakami has worked with prominent companies in the automotive industry, including Nippondenso Co., Ltd. and Denso Corporation. His experience in these organizations has allowed him to develop and refine his innovative ideas in fuel injection technology.

Collaborations

Throughout his career, Murakami has collaborated with talented individuals such as Masatoshi Kuroyanagi and Naoki Mitsumata. These partnerships have contributed to the successful development of his patented technologies.

Conclusion

Fumiaki Murakami's contributions to fuel injection technology through his patents and collaborations highlight his role as a leading inventor in the field. His work continues to influence advancements in automotive engineering.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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