Tokyo, Japan

Toshio Watanabe

This inventor holds 37 USPTO granted patents and 4 published patent applications, plus 1 CIPO patent and 10 EPO patents, primarily in Power Conversion Devices. Top assignees: Nec Corporation, Kao Corporation, Nippon Telegraph and Telephone Corporation. Active years: 1979-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Toshio Watanabe. Retrieved from https://idiyas.com/inventor/toshio-watanabe-q3s5w93p

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

Calculating rank
USPTO Granted Patents = 37 

% Patents Active = 83.8

 

 

Average Co-Inventor Count = 2.3

ph-index = 11

Forward Citations = 319(Granted Patents)


Location History:

  • Yokohama, JP (1981)
  • Yamato, JP (1989)
  • Mito, JP (1997)
  • Yokosuka, JP (2000)
  • Sumida-ku, JP (2013)
  • Chiyoda-ku, JP (2014)
  • Tokyo, JP (1979 - 2024)

Company Filing History:

goldMedal7 out of 36,735 
 
Nec Corporation
 patents
silverMedal5 out of 3,680 
 
Kao Corporation
 patents
bronzeMedal4 out of 5,300 
 
Nippon Telegraph and Telephone Corporation
 patents
4. 4 out of 28,957 
 
Ricoh Company, Ltd.
 patents
5. 3 out of 2,581 
 
Ebara Corporation
 patents
6. 3 out of 53,286 
 
Kabushiki Kaisha Toshiba
 patents
7. 3 out of 16,627 
 
Mitsubishi Electric Corporation
 patents
8. 2 out of 34 
 
Mitsubishi Heavy Industries Aero Engines, Ltd.
 patents
9. 2 out of 4,753 
 
Mitsubishi Heavy Industries Limited
 patents
10. 2 out of 58,148 
 
Sony Corporation
 patents
11. 2 out of 1,769 
 
Taiyo Yuden Co., Ltd.
 patents
12. 1 out of 1 
 
Dic Graphics Corporation
 patent
13. 1 out of 2 
 
Kansai Zyari Kabushiki-Kaisha
 patents
14. 1 out of 1,326 
 
Mitsubishi Jukogyo Kabushiki Kaisha
 patents
15. 1 out of 371 
 
Nagoya University
 patents
16. 1 out of 2 
 
Otsuka Iron Works, Ltd.
 patents
17. 1 out of 127 
 
Seiko Instruments & Electronics Ltd.
 patents
18. 1 out of 2,903 
 
Seiko Instruments Inc
 patents
19. 1 out of 116 
 
Shimizu Construction Co., Ltd.
 patents
20. 1 out of 189 
 
Toshiba Ceramics Co., Ltd.
 patents
where one patent can have more than one assignee

Years Active: 1979-2026

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Areas of Expertise:
Power Conversion
Turbine Technology
Optical Materials
Vibration Damping
Substrate Polishing
Electrophotographic Copier
Capacitor Board
Thermo-Optic Devices
Scalp Washing
Massage Brush
Electronic Watermark
Power-Saving Driving
37 patents (USPTO):Explore Patents

Title: Innovator Spotlight: Toshio Watanabe

Introduction: Toshio Watanabe is a prominent inventor based in Tokyo, Japan, known for his significant contributions to the field of turbine technology. With a remarkable portfolio of 36 patents, Watanabe's inventions promise to enhance the efficiency and performance of turbine systems.

Latest Patents: His latest innovations include the turbine rotor blade and a blade set known as a blisk. The turbine rotor blade features a unique design comprising a rotor blade body with a blade root fixed to a rotating shaft. It incorporates a base portion and a blade body that enhances aerodynamic performance, alongside a damper piece strategically located to optimize functional efficiency. The blade set contains multiple blade main bodies arranged circumferentially around an axis. This innovative design is engineered to work effectively with a fluid flow, improving the performance of turbines significantly.

Career Highlights: Watanabe’s impressive career includes significant roles at major companies, including NEC Corporation and Kao Corporation. His work in these organizations has allowed him to refine his technical skills and apply his innovative ideas in real-world settings, contributing to advancements in turbine technology.

Collaborations: Throughout his career, Toshio Watanabe has collaborated with renowned professionals, including Keiji Yoshii and Tetsuji Togawa. These partnerships have fostered a creative environment where unique ideas can thrive, leading to groundbreaking advancements in their respective fields.

Conclusion: Toshio Watanabe stands out as a leading figure in turbine innovation. His dedication to advancing technology through his patents not only showcases his inventive spirit but also contributes to the broader landscape of engineering and technology development. With a promising future ahead, Watanabe continues to inspire fellow inventors and engineers alike.

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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