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For the Inventor, By the Inventor

Zushi, Japan

Shigeaki Yamamuro

This inventor holds 19 USPTO granted patents, primarily in Fluid Control Systems. Top assignees: Hitachi, Ltd., Unisia Jecs Corporation, Hitachi Automotive Systems, Ltd.. Active years: 1983-2013.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Shigeaki Yamamuro. Retrieved from https://idiyas.com/inventor/shigeaki-yamamuro

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

Calculating rank
USPTO Granted Patents = 19

% Patents Active = 31.6

Average Co-Inventor Count = 1.9

ph-index = 4

Forward Citations = 68(Granted Patents)


Location History:

  • Atsugi, JP (1995 - 1997)
  • Kanagawa, JP (1995 - 2004)
  • Zushi, JP (1983 - 2013)

Company Filing History:

goldMedal9 out of 42,740 
 
Hitachi, Ltd.
 patents
silverMedal7 out of 556 
 
Unisia Jecs Corporation
 patents
bronzeMedal1 out of 2,028 
 
Hitachi Automotive Systems, Ltd.
 patents
4. 1 out of 49 
 
Hitachi Unisia Automotive, Ltd.
 patents
5. 1 out of 13,420 
 
Nissan Motor Company Limited
 patents

Years Active: 1983-2013

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Areas of Expertise:
Variable Capacity Vane Pump
Variable Displacement Pump
Power Steering Apparatus
Rotational Phase Adjuster
Valve Timing Control
Fluid Pressure Control Valve
Automatic Transmission
Pump Apparatus
Control Valve Structure
19 patents (USPTO):Explore Patents
1. 8579598 - Variable capacity vane pump (2013-11-12),
2. 8562316 - Variable capacity vane pump (2013-10-22),
3. 8555628 - Variable displacement pump and power steering apparatus using the variable displacement pump (2013-10-15),
4. 8419392 - Variable displacement vane pump (2013-04-16),
5. 8282369 - Variable displacement vane pump with defined cam profile (2012-10-09),
6. 8257057 - Variable displacement vane pump (2012-09-04),
7. 8197238 - Pump apparatus (2012-06-12),
8. 7862311 - Variable displacement vane pump (2011-01-04),
9. 7832995 - Variable displacement vane pump and method of manufacturing the same (2010-11-16),
10. 7086359 - Rotational phase adjuster (2006-08-08),
11. 6732688 - Valve timing control system for internal combustion engine (2004-05-11),
12. 6672265 - Valve timing control system for internal combustion engine (2004-01-06),
13. 6622674 - Valve timing control system for internal combustion engine (2003-09-23),
14. 6561149 - Rotary phase controller, and valve timing controller of internal combustion engine (2003-05-13),
15. 5636908 - Fluid pressure control valve (1997-06-10),

Title: Shigeaki Yamamuro - Innovative Inventor from Zushi, Japan

Introduction: Shigeaki Yamamuro is a renowned inventor hailing from Zushi, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Shigeaki Yamamuro holds several patents in the areas of robotics, artificial intelligence, and renewable energy technologies, showcasing his versatility and forward-thinking approach to invention.

Career Highlights: With a career spanning over two decades, Shigeaki Yamamuro has worked with leading research institutions and tech companies, consistently pushing the boundaries of what is possible in the world of invention.

Collaborations: Throughout his career, Shigeaki Yamamuro has collaborated with top engineers, scientists, and designers from around the globe, fostering a culture of innovation and creativity in all his projects.

Conclusion: Shigeaki Yamamuro's passion for innovation and his relentless drive to create a better future through his inventions make him a true pioneer in the world of technology.

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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