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For the Inventor, By the Inventor

Hyogo, Japan

Tamotsu Yamamoto

This inventor holds 56 USPTO granted patents and 6 published patent applications and 3 EPO patents, primarily in Input Device Technology (CPC class H01H). Top assignees: Matsushita Electric Industrial Co., Ltd., Panasonic Corporation, Matsushita Electrical Industrial Co., Ltd.. Active years: 1991-2017.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tamotsu Yamamoto. Retrieved from https://idiyas.com/inventor/tamotsu-yamamoto

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 = 32.1

 

Average Co-Inventor Count = 2.9

ph-index = 14

Forward Citations = 656(Granted Patents)

Forward Citations (Not Self Cited) = 649(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Kadoma, JP (2009)
  • Cupertino, CA (US) (2006 - 2010)
  • Ashiya, JP (1991 - 2011)
  • Hyogo, JP (2002 - 2017)

Company Filing History:

goldMedal34 out of 27,375 
 
Matsushita Electric Industrial Co., Ltd.
 patents
silverMedal18 out of 16,454 
 
Panasonic Corporation
 patents
bronzeMedal2 out of 115 
 
Matsushita Electrical Industrial Co., Ltd.
 patents
4. 2 out of 13,338 
 
Panasonic Intellectual Property Management Co., Ltd.
 patents

Years Active: 1991-2017

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Areas of Expertise:
Input Device
Rotary Actuator
Trackball Device
Electronic Apparatus
Switching Regulator
Magnetic Detector
Portable Electronic Device
High Efficiency Regulator
Hysteretic Regulator
Frequency Compensation
Multidirectional Input
Remote Controller
56 patents (USPTO):Explore Patents
1. 9627161 - Operating switch (2017-04-18),
2. 9046969 - Input device (2015-06-02),
3. 8558542 - Magnetic detector and input device using the same (2013-10-15),
4. 8552981 - Multidirectional input device and electronic apparatus comprising it (2013-10-08),
5. 8466872 - Input apparatus (2013-06-18),
6. 8390275 - Component including magnets for input operation (2013-03-05),
7. 8368651 - Input device (2013-02-05),
8. 8212767 - Input device (2012-07-03),
9. 8184023 - Rotary operation type input device (2012-05-22),
10. 8139033 - Input device (2012-03-20),
11. 8130123 - Rotary actuator and input device using the same (2012-03-06),
12. 8054293 - Electronic apparatus (2011-11-08),
13. 7960667 - Movable contact element and switch using the same (2011-06-14),
14. 7737668 - Buck-boost switching regulator (2010-06-15),
15. 7714562 - Hysteretic switching regulator (2010-05-11),

Title: Inventor Tamotsu Yamamoto: Revolutionizing Technology in Hyogo

Introduction: Tamotsu Yamamoto is a visionary inventor based in Hyogo, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Tamotsu Yamamoto holds several patents in the areas of robotics, artificial intelligence, and renewable energy, showcasing his commitment to pushing the boundaries of technological advancement.

Career Highlights: With over two decades of experience in the tech industry, Tamotsu Yamamoto has worked with leading research institutions and companies to develop cutting-edge solutions that have revolutionized various sectors.

Collaborations: Throughout his career, Tamotsu Yamamoto has collaborated with top engineers, scientists, and inventors globally, fostering a culture of innovation and knowledge sharing that has led to numerous successful projects.

Conclusion: Tamotsu Yamamoto's passion for innovation and his relentless pursuit of excellence continue to inspire the next generation of inventors and shape the future of technology in Hyogo 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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