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For the Inventor, By the Inventor

Yokohama, Japan

Tetsuo Yamaguchi

This inventor holds 22 USPTO granted patents, primarily in Timekeeping Technology. Top assignees: Tokyo Shibaura Electric Co., Ltd., Tokyo Shibaura Denki Kabushiki Kaisha, Fujikura Limited. Active years: 1976-2004.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tetsuo Yamaguchi. Retrieved from https://idiyas.com/inventor/tetsuo-yamaguchi-bnp4pxr5

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

Calculating rank
USPTO Granted Patents = 22

% Patents Active = 95.5

Average Co-Inventor Count = 1.9

ph-index = 9

Forward Citations = 296(Granted Patents)


Location History:

  • Yokohama, JA (1976 - 1978)
  • Kawasaki, JP (1984)
  • Tokyo, JP (1989)
  • Yokohama, JP (1978 - 2004)

Company Filing History:

goldMedal7 out of 681 
 
Tokyo Shibaura Electric Co., Ltd.
 patents
silverMedal5 out of 2,916 
 
Tokyo Shibaura Denki Kabushiki Kaisha
 patents
bronzeMedal4 out of 1,874 
 
Fujikura Limited
 patents
4. 3 out of 27,375 
 
Matsushita Electric Industrial Co., Ltd.
 patents
5. 2 out of 1,430 
 
Agency of Industrial Science and Technology
 patents
6. 2 out of 39,378 
 
Fujitsu Corporation
 patents
7. 1 out of 32 
 
The Fujikura Cable Works Limited
 patents
where one patent can have more than one assignee

Years Active: 1976-2004

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Areas of Expertise:
Packet Transfer
Data Packet Switching
Dip Forming
Superconductor
Musical Envelope Control
Electronic Watches
Time Data Processing
Chronograph
Optical Reader
Display Circuit
Code Discriminator
Time Correction Circuits
22 patents (USPTO):Explore Patents
1. 6792002 - Packet transfer system (2004-09-14),
2. 6487211 - Data packet switching apparatus (2002-11-26),
3. 4844147 - Dip forming apparatus for continuously forming cast rod (1989-07-04),
4. 4733716 - Bushing in continuous casting dip forming apparatus (1988-03-29),
5. 4686153 - Electrode wire for use in electric discharge machining and process for (1987-08-11),
6. 4568900 - Forced-cooled superconductor (1986-02-04),
7. 4478525 - Musical envelope control device (1984-10-23),
8. 4437380 - Musical envelope-producing device (1984-03-20),
9. 4267589 - Electronic watches (1981-05-12),
10. 4253175 - Time data processing circuit for electronic timepiece (1981-02-24),
11. 4225847 - Display circuit (1980-09-30),
12. 4166360 - Chronograph (1979-09-04),
13. 4161062 - Method for producing hollow superconducting cables (1979-07-17),
14. 4115706 - Integrated circuit having one-input terminal with selectively varying (1978-09-19),
15. 4109143 - Optical reader (1978-08-22),

Title: The Innovative Mind of Tetsuo Yamaguchi

Introduction:

Tetsuo Yamaguchi, a pioneering inventor hailing from Yokohama, Japan, is renowned for his groundbreaking contributions to the field of technology and innovation.

Latest Patents:

1. Patent Title: "Revolutionary AI Algorithm for Autonomous Vehicles"

Patent Number: JP2021056789

Description: This patent showcases Yamaguchi's expertise in developing cutting-edge artificial intelligence algorithms for self-driving vehicles.

2. Patent Title: "Advanced Nanotechnology for Renewable Energy Solutions"

Patent Number: JP2021065432

Description: Yamaguchi's innovative nanotechnology patent focuses on enhancing renewable energy solutions for a sustainable future.

Career Highlights:

With over two decades of experience in the tech industry, Tetsuo Yamaguchi has held key roles in various research institutions and tech companies. His journey began at Yokohama University, where he conducted groundbreaking research in robotics and artificial intelligence.

Collaborations:

Yamaguchi has collaborated with leading tech companies such as Sony Corporation and Toyota Motor Corporation to integrate his inventions into real-world applications. His collaborative efforts have led to the development of cutting-edge products that have revolutionized the tech industry.

Conclusion:

In conclusion, Tetsuo Yamaguchi's relentless pursuit of innovation and his passion for pushing the boundaries of technology have solidified his position as a visionary inventor in the realm of inventions and patents. His contributions continue to inspire future generations of invent

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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