Tokyo, Japan

Hiroyuki Watanabe

This inventor holds 67 USPTO granted patents and 19 published patent applications and 16 EPO patents, primarily in Semiconductor Devices (CPC class A61B). Top assignees: Teac Corporation, Tomy Kogyo Co., Ltd., Kabushiki Kaisha Toshiba. Active years: 1980-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroyuki Watanabe. Retrieved from https://idiyas.com/inventor/hiroyuki-watanabe-4uz1k5fc

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

Calculating rank
USPTO Granted Patents = 67 

% Patents Active = 80.6

 

Average Co-Inventor Count = 1.9

ph-index = 15

Forward Citations = 643(Granted Patents)

Forward Citations (Not Self Cited) = 635(Dec 10, 2025)


Inventors with similar research interests:


Company Filing History:

goldMedal13 out of 1,030 
 
Teac Corporation
 patents
silverMedal9 out of 376 
 
Tomy Kogyo Co., Ltd.
 patents
bronzeMedal7 out of 53,276 
 
Kabushiki Kaisha Toshiba
 patents
4. 4 out of 817 
 
Mitsui Minings & Melting Co., Ltd.
 patents
5. 3 out of 36,718 
 
Nec Corporation
 patents
6. 3 out of 2,903 
 
Seiko Instruments Inc
 patents
7. 2 out of 55 
 
Aiwa Co., Ltd.
 patents
8. 2 out of 2,569 
 
Hoya Corporation
 patents
9. 2 out of 3,106 
 
Konica Corporation
 patents
10. 2 out of 16,618 
 
Mitsubishi Electric Corporation
 patents
11. 2 out of 256 
 
Nidec Copal Corporation
 patents
12. 2 out of 652 
 
Tomy Company, Ltd.
 patents
13. 1 out of 326 
 
Aruze Gaming America, Inc.
 patents
14. 1 out of 98 
 
Asahi Denka Kogyo Kabushiki Kaisha
 patents
15. 1 out of 1,664 
 
Disco Corporation
 patents
16. 1 out of 42,740 
 
Hitachi, Ltd.
 patents
17. 1 out of 16 
 
Huizhou Daya Bay Jss Optical Technology. Co., Ltd.
 patents
18. 1 out of 16 
 
Huizhou Dayawan Ever Bright Electronic Industry Co
 patents
19. 1 out of 6 
 
I-Magic, Inc.
 patents
20. 1 out of 16 
 
Jss Optical Technology Co., Ltd.
 patents
21. 1 out of 2,526 
 
Konica Minolta Business Technologies, Inc.
 patents
22. 1 out of 4,397 
 
Konica Minolta, Inc.
 patents
23. 1 out of 5 
 
M. Watanabe Co., Ltd.
 patents
24. 1 out of 313 
 
Meidensha Corporation
 patents
25. 1 out of 144 
 
Nec Solution Innovators, Ltd.
 patents
26. 1 out of 7,657 
 
Renesas Electronics Corporation
 patents
27. 1 out of 127 
 
Seiko Instruments & Electronics Ltd.
 patents
28. 1 out of 2 
 
Seta Co., Ltd.
 patents
29. 1 out of 31 
 
Seta Corporation
 patents
30. 1 out of 58,147 
 
Sony Corporation
 patents
31. 1 out of 693 
 
Universal Entertainment Corporation
 patents
32. 1 out of 1 
 
Yugen Kaishs Origin
 patent
where one patent can have more than one assignee

Years Active: 1980-2026

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Areas of Expertise:
Semiconductor Device
Image Forming Apparatus
Light Source Apparatus
Lens Driving Device
Image Blur Correction
Digital Audio Player
Casino Table
Superconducting Magnet
Heater Control Apparatus
Picture Drawing System
Abrasive Material
Toy Figure Launcher
67 patents (USPTO):Explore Patents

Title: Innovator Hiroyuki Watanabe: Advancements in Semiconductor Technology and Spindle Systems

Introduction: Hiroyuki Watanabe is a prominent inventor based in Tokyo, Japan, known for his remarkable contributions to technology and engineering. With an impressive portfolio of 66 patents, Watanabe has made significant strides in the fields of semiconductor devices and precision spindle systems. His innovative solutions reflect a deep understanding of complex engineering principles and a commitment to enhancing technological capabilities.

Latest Patents: Among his latest patents, Watanabe has developed a spindle unit and processing apparatus that features a spindle equipped with a processing tool at its distal end. This spindle is supported by a housing containing thrust and radial bearings that operate without contact using air. The design includes a mechanism to supply air to the gap between the spindle’s outer surface and the inner surface of the housing, along with an adjustment unit to modify this gap. Another notable patent is for a semiconductor device that controls the body bias effectively to counteract any variations in manufacturing processes. This device utilizes a body bias controller that adjusts bias based on measured speed values from ring oscillators, optimizing performance despite process fluctuations.

Career Highlights: Hiroyuki Watanabe has had a distinguished career, contributing to reputed companies such as Teac Corporation and Tomy Kogyo Co., Ltd. His work at these organizations has allowed him to refine his technical skills and innovate in areas that impact both consumer and industrial electronics.

Collaborations: Throughout his career, Watanabe has collaborated with talented professionals, including colleagues Masafumi Ito and Minoru Sube. These partnerships have fostered a creative environment conducive to technological advancements, leading to the successful development of several key inventions.

Conclusion: Hiroyuki Watanabe stands as a figure of inspiration in the field of innovation, exemplifying how dedication and ingenuity can lead to significant advancements. His inventive contributions not only showcase his expertise but also reflect the ongoing evolution of technology in today's society. As industries continue to advance, Watanabe’s patents and developments are poised to play a vital role in shaping the future of engineering and 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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