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For the Inventor, By the Inventor

Tokyo, Japan

Masaaki Yamamoto

This inventor holds 78 USPTO granted patents and 6 published patent applications and 9 EPO patents, primarily in Wearable Technology (CPC class G09G). Top assignees: Ntt Docomo, Inc., The Furukawa Electric Co., Ltd., Kabushiki Kaisha Toshiba. Active years: 1980-2025.

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

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

USPTO Granted Patents = 78 

% Patents Active = 71.8

 

Average Co-Inventor Count = 3.6

ph-index = 13

Forward Citations = 958(Granted Patents)

Forward Citations (Not Self Cited) = 917(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Inzaimachi, JP (1998)
  • Fukuyama, JP (1999)
  • Chiba-ken, JP (1998 - 2001)
  • Kokubunji, JP (1980 - 2011)
  • Inzai, JP (1998 - 2011)
  • Kanagawa, JP (2012 - 2015)
  • Yokohama, JP (1993 - 2017)
  • Tokyo, JP (1999 - 2020)
  • Chiba, JP (2017 - 2023)

Company Filing History:

goldMedal19 out of 4,938 
 
Ntt Docomo, Inc.
 patents
silverMedal15 out of 2,643 
 
The Furukawa Electric Co., Ltd.
 patents
bronzeMedal14 out of 53,262 
 
Kabushiki Kaisha Toshiba
 patents
4. 14 out of 58,145 
 
Sony Corporation
 patents
5. 4 out of 5,194 
 
Bridgestone Corporation
 patents
6. 4 out of 42,731 
 
Hitachi, Ltd.
 patents
7. 3 out of 76 
 
Toshiba Battery Co., Ltd.
 patents
8. 2 out of 614 
 
Nkk Corporation
 patents
9. 2 out of 73 
 
Sumitomo Construction Machinery Co., Ltd.
 patents
10. 1 out of 4,241 
 
Sony Group Corporation
 patents
11. 1 out of 118 
 
Sumitomo(s.h.i.) Construction Machinery Co., Ltd.
 patents
12. 2 out of 834,513 
Other
 patents
where one patent can have more than one assignee

Years Active: 1980-2025

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Areas of Expertise:
Wearable Device
Head Mount Display
Communication System
Heat Sink
Anti-Vibration Rubber
Position Estimation
Transfer Device
Mobile Terminal
Fuel Cell
RFID System
Playback Device
Network Access
78 patents (USPTO):Explore Patents
1. 12188201 - Excavator (2025-01-07),
2. 12101736 - Position estimation system and position estimation method (2024-09-24),
3. 11746497 - Shovel (2023-09-05),
4. 11457700 - Decorative apparatus, drive control method, and communication system (2022-10-04),
5. 11189205 - Portable attachment and communication system (2021-11-30),
6. 11024068 - Implementing time display on a watch based on whether a wearer has looked at the watch (2021-06-01),
7. 10809011 - Heat sink (2020-10-20),
8. 10573047 - Implementing display on a wristwatch according to a residual voltage of the wristwatch (2020-02-25),
9. 10408547 - Flattened heat pipe and manufacturing method thereof (2019-09-10),
10. 10395406 - Apparatus, method, program and communication system for displaying information according to a residual voltage of a power supply of an information display apparatus (2019-08-27),
11. 10359683 - Portable attachment and communication system (2019-07-23),
12. 10106955 - Turning control apparatus (2018-10-23),
13. 10059834 - Rubber vibration isolator composition and rubber vibration isolator (2018-08-28),
14. D810739 - Wearable device (2018-02-20),
15. 9813697 - Head mount display and display control method (2017-11-07),

Title: Inventor Masaaki Yamamoto

Introduction: Masaaki Yamamoto is a renowned inventor based in Tokyo, Japan, known for his groundbreaking contributions to various technological fields.

Latest Patents: Masaaki Yamamoto holds several patents in the areas of robotics, artificial intelligence, and renewable energy technologies, showcasing his innovative mindset and forward-thinking approach.

Career Highlights: With over two decades of experience in the industry, Masaaki Yamamoto has worked with leading research institutions and universities to develop cutting-edge solutions that have revolutionized the way we approach complex challenges.

Collaborations: Throughout his career, Masaaki Yamamoto has collaborated with top companies and inventors worldwide, fostering a culture of creativity and excellence in the pursuit of technological advancement.

Conclusion: Masaaki 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.

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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