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For the Inventor, By the Inventor

Tokyo, Japan

Hiroshi Watanabe

This inventor holds 120 USPTO granted patents and 31 published patent applications and 15 EPO patents, primarily in Power Conversion Devices (CPC class H01L29-1608). Top assignees: Mitsubishi Electric Corporation, Hitachi High-Tech Corporation, Nec Corporation. Active years: 1978-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroshi Watanabe. Retrieved from https://idiyas.com/inventor/hiroshi-watanabe-8ri13051

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

USPTO Granted Patents = 120 

% Patents Active = 88.3

 

Average Co-Inventor Count = 2.5

ph-index = 14

Forward Citations = 670(Granted Patents)

Forward Citations (Not Self Cited) = 646(Dec 10, 2025)


Inventors with similar research interests:

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Company Filing History:

goldMedal21 out of 16,618 
 
Mitsubishi Electric Corporation
 patents
silverMedal18 out of 1,395 
 
Hitachi High-Tech Corporation
 patents
bronzeMedal13 out of 36,718 
 
Nec Corporation
 patents
4. 7 out of 118 
 
Active-Semi, Inc.
 patents
5. 5 out of 498 
 
Hitachi Industrial Equipment Systems Co., Ltd.
 patents
6. 5 out of 5,300 
 
Nippon Telegraph and Telephone Corporation
 patents
7. 4 out of 53,276 
 
Kabushiki Kaisha Toshiba
 patents
8. 4 out of 1,038 
 
Nippon Electric Co., Ltd.
 patents
9. 4 out of 29,901 
 
Texas Instruments Corporation
 patents
10. 3 out of 93,085 
 
Canon Kabushiki Kaisha
 patents
11. 3 out of 21,351 
 
Mitsubishi Denki Kabushiki Kaisha
 patents
12. 3 out of 362 
 
Suntory Holdings Limited
 patents
13. 2 out of 2 
 
Boostdraft, Inc.
 patents
14. 2 out of 2,004 
 
Citizen Watch Company, Ltd.
 patents
15. 2 out of 1,458 
 
Elpida Memory, Inc.
 patents
16. 2 out of 1,329 
 
Japan Science and Technology Agency
 patents
17. 2 out of 4,751 
 
Mitsubishi Heavy Industries Limited
 patents
18. 2 out of 8,306 
 
Olympus Corporation
 patents
19. 2 out of 1,087 
 
Riso Kagaku Corporation
 patents
20. 2 out of 58,147 
 
Sony Corporation
 patents
21. 2 out of 2 
 
Suntory Beverage & Food Asia Pte. Ltd.
 patents
22. 1 out of 1,157 
 
Agc Inc.
 patents
23. 1 out of 2 
 
Cerebos Pacific Limited
 patents
24. 1 out of 86 
 
Fujimori Kogyo Co., Ltd.
 patents
25. 1 out of 65 
 
Fujitsu Mobile Communications Limited
 patents
26. 1 out of 1,508 
 
Hitachi Construction Machinery Co., Ltd.
 patents
27. 1 out of 32 
 
Intermetallics Co., Ltd.
 patents
28. 1 out of 1,068 
 
Japan Tobacco Inc.
 patents
29. 1 out of 34 
 
Mitsubishi Heavy Industries Aero Engines, Ltd.
 patents
30. 1 out of 199 
 
Namco Limited
 patents
31. 1 out of 196 
 
Nec C Orporation
 patents
32. 1 out of 522 
 
Nippon Telegraph and Telephone Public Corporation
 patents
33. 1 out of 25,974 
 
Sharp Kabushiki Kaisha Corporation
 patents
34. 1 out of 2,470 
 
Subaru Corporation
 patents
35. 1 out of 20 
 
Suga Test Instruments Co., Ltd.
 patents
36. 1 out of 153 
 
Tokyo Kogaku Kikai Kabushiki Kaisha
 patents
37. 1 out of 681 
 
Tokyo Shibaura Electric Co., Ltd.
 patents
38. 1 out of 1,414 
 
Yokogawa Electric Corporation
 patents
where one patent can have more than one assignee

Years Active: 1978-2026

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Areas of Expertise:
Power Conversion
Semiconductor Technology
Transport Apparatus
Conveyance Device
Specimen Analysis
Image Filtering
Automatic Analysis
Gas Turbine
Work Management
Computer Readable Medium
Sample Preprocessing
Energy Management
120 patents (USPTO):Explore Patents
1. 12767464 - Conveying device and conveying method (2026-10-20),
2. 12735277 - Transport device and analysis system (2026-09-15),
3. 12654423 - Composite substrate, laminate, method for producing composite substrate, and method for producing laminate (2026-06-16),
4. 12535495 - Preprocessing device (2026-01-27),
5. 12523672 - Transport apparatus (2026-01-13),
6. 12341447 - Power conversion device (2025-06-24),
7. 12334847 - Power converter apparatus (2025-06-17),
8. 12332262 - Specimen transport apparatus (2025-06-17),
9. 12325599 - Conveying device and analysis system (2025-06-10),
10. 12306202 - Conveyance device (2025-05-20),
11. 12304752 - Conveyance device (2025-05-20),
12. 12230441 - Transport device and transport method (2025-02-18),
13. 12098039 - Body-to-be-conveyed, container carrier, and conveying device (2024-09-24),
14. D1042812 - Tube holder (2024-09-17),
15. 12094959 - Semiconductor device and method of manufacturing semiconductor device (2024-09-17),

Title: Hiroshi Watanabe: Pioneering Inventor from Tokyo

Introduction: Hiroshi Watanabe is a renowned inventor hailing from Tokyo, Japan, known for his groundbreaking contributions to various technological fields.

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

Career Highlights: With a career spanning over two decades, Watanabe has worked with leading research institutions and tech companies in Japan, spearheading projects that have revolutionized the industry.

Collaborations: Throughout his career, Hiroshi Watanabe has collaborated with top engineers, scientists, and designers, fostering a culture of innovation and excellence in all his projects.

Conclusion: Hiroshi Watanabe's dedication to pushing the boundaries of technology and his passion for creating solutions to complex problems make him a true visionary in the world of inventions and innovations.

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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