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For the Inventor, By the Inventor

Hadano, Japan

Akira Yamagiwa

This inventor holds 56 USPTO granted patents, primarily in Signal Transmission Technology (CPC class 326 ). Top assignees: Hitachi, Ltd., Lg Electronics Inc., Renesas Technology Corp.. Active years: 1981-2012.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Akira Yamagiwa. Retrieved from https://idiyas.com/inventor/akira-yamagiwa

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

USPTO Granted Patents = 56

% Patents Active = 83.9

Average Co-Inventor Count = 3.7

ph-index = 21

Forward Citations = 1,862(Granted Patents)

Forward Citations (Not Self Cited) = 1,854(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Ohiso, JP (1981)
  • Ooiso, JP (1998)
  • Kanagawa, JP (1982 - 1999)
  • Oisomachi, JP (2000)
  • Kanagawa-ken, JP (1997 - 2004)
  • Oiso, JP (1997 - 2004)
  • Naka-gun, JP (1998 - 2004)
  • Ooiso-machi, JP (2001 - 2004)
  • Hadano, JP (1989 - 2012)

Company Filing History:

goldMedal49 out of 42,731 
 
Hitachi, Ltd.
 patents
silverMedal1 out of 51,830 
 
Lg Electronics Inc.
 patents
bronzeMedal1 out of 3,781 
 
Renesas Technology Corp.
 patents
4. 5 out of 834,513 
Other
 patents

Years Active: 1981-2012

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Areas of Expertise:
Signal Transmission
Fast Signal Devices
Logic Emulation
Semiconductor Integration
Circuit Modules
Data Transfer Systems
Bus Systems
Memory Systems
Interconnecting Logic Boards
Electronic Device Mounting
Simultaneous Bidirectional Transmission
Clock Supply Apparatus
56 patents (USPTO):Explore Patents
1. 8106677 - Signal transmitting device suited to fast signal transmission (2012-01-31),
2. 7911224 - Signal transmitting device suited to fast signal transmission (2011-03-22),
3. 7372292 - Signal transmitting device suited to fast signal transmission (2008-05-13),
4. 7295034 - Signal transmitting device suited to fast signal transmission (2007-11-13),
5. 7123048 - Signal transmitting device suited to fast signal transmission (2006-10-17),
6. 7015717 - Signal transmitting device suited to fast signal transmission (2006-03-21),
7. 6873179 - Signal transmitting device suited to fast signal transmission (2005-03-29),
8. 6829574 - Logic emulation module and logic emulation board (2004-12-07),
9. 6780677 - Process for mounting electronic device and semiconductor device (2004-08-24),
10. 6768346 - Signal transmission system (2004-07-27),
11. 6766404 - Branch bus system for inter-LSI data transmission (2004-07-20),
12. 6737741 - Process for mounting electronic device and semiconductor device (2004-05-18),
13. 6580295 - Signal transmission system (2003-06-17),
14. 6496886 - Directional coupling bus system using printed board (2002-12-17),
15. 6461896 - Process for mounting electronic device and semiconductor device (2002-10-08),

Title: Inventor Akira Yamagiwa: Pioneering Innovations in Hadano

Introduction: Akira Yamagiwa is a visionary inventor hailing from Hadano, Japan, known for her groundbreaking contributions to the field of technology and science.

Latest Patents: Akira Yamagiwa holds several patents in the areas of robotics, artificial intelligence, and sustainable energy solutions, showcasing her commitment to creating a more advanced and sustainable future.

Career Highlights: With a career spanning over two decades, Akira Yamagiwa has worked with leading research institutions and universities to develop cutting-edge technologies that have revolutionized various industries.

Collaborations: Throughout her career, Akira Yamagiwa has collaborated with top companies, innovative startups, and talented individuals to bring her ideas to life and make a lasting impact on the world.

Conclusion: Akira Yamagiwa's passion for innovation, coupled with her relentless drive to push the boundaries of what is possible, solidifies her position as a trailblazing inventor in Hadano and beyond.

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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