Fumio Watanabe

This inventor holds 50 USPTO granted patents and 1 EPO patent, primarily in Power Electronics. Top assignees: Fuji Photo Optical Co., Ltd., Kokusai Denshin Denwa Kabushiki Kaisha, Smk Corporation. Active years: 1984-2025.

USPTO Granted Patents = 50

% Patents Active = 90.0

EPO Patents = 1

Average Co-Inventor Count = 2.1

ph-index = 14

Forward Citations = 940(Granted Patents)

Forward Citations (Not Self Cited) = 934(Dec 10, 2025)

Location History:

Zama, JP (1986 - 1988)
Ohmiya, JP (1994)
Fujimi, JP (1989 - 1999)
Omiya, JP (1994 - 2003)
Saitama, JP (1999 - 2004)
Kumagaya, JP (2005 - 2007)
Fujimino, JP (2020)
Tokyo, JP (1984 - 2023)

Company Filing History:

12 out of 1,279

Fuji Photo Optical Co., Ltd.

patents

6 out of 339

Kokusai Denshin Denwa Kabushiki Kaisha

Kokusai Denshin Denwa Co., Ltd.

Tokyo Shibaura Denki Kabushiki Kaisha

patents

11. 2 out of 518

Toshiba Mitsubishi-Electric Industrial Systems Corporation

patents

12. 1 out of 2,280

Adv Antest Corporation

Ikegami Tsushinki Co., Ltd.

patents

15. 1 out of 349

Kabushiki Kaisha Daini Seikosha

Toppan Printing Co., Ltd.

patents

18. 1 out of 223

Toyo Ink Manufacturing Company

patents

19. 1 out of 1

Watanabe Kutsushita Kogyo Co., Ltd.

patent

20. 1 out of 1,409

Yokogawa Electric Corporation

patents

where one patent can have more than one assignee

Years Active: 1984-2025

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Areas of Expertise:

Power Conversion Device

Mobile Communication

Optical System

Synchronous Motor

Wireless Communication

Infrared Lens

Electronic Component

Zoom Lens

Antenna System

Immunoassay Measurement

Keyboard Switch

Illumination Optical System

50 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12289045 - Power conversion device, semiconductor switch drive device, and control method (2025-04-29),

2. 11716044 - Power conversion device and electric motor drive system (2023-08-01),

3. 10931213 - Control apparatus for a synchronous motor (2021-02-23),

4. 10638611 - Coil component and circuit board in which coil component are embedded (2020-04-28),

5. 10555353 - Radio control device, terminal device, and communication method (2020-02-04),

6. 10045344 - Wireless communication system and wireless communication method (2018-08-07),

7. 9576722 - Electronic component and manufacturing method thereof (2017-02-21),

8. 9532461 - Manufacturing apparatus of electronic component and manufacturing method thereof (2016-12-27),

9. 9214270 - Electronic component and manufacturing method thereof (2015-12-15),

10. 7227693 - Zoom lens and projection display device using the zoom lens (2007-06-05),

11. 6839186 - Large numerical aperture objective lens and night vision optical device using the same (2005-01-04),

12. 6701164 - Mobile communication system with zone-shift control apparatus (2004-03-02),

13. 6643026 - Optical system for oblique incidence interferometer and apparatus using the same (2003-11-04),

14. 6570661 - Optical system for oblique incidence interferometer and apparatus using the same (2003-05-27),

15. 6507432 - Bright wide-angle infrared lens (2003-01-14),

Title: Fumio Watanabe: Pioneering Inventor from Tokyo

Introduction: Fumio Watanabe is a renowned inventor hailing from Tokyo, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Fumio Watanabe holds several patents in the areas of robotics, artificial intelligence, and renewable energy technologies, showcasing his continuous commitment to pushing the boundaries of technological advancement.

Career Highlights: With a career spanning over three decades, Watanabe has worked with leading tech companies in Japan, spearheading research and development projects that have led to significant technological breakthroughs.

Collaborations: Throughout his career, Fumio Watanabe has collaborated with top researchers, engineers, and scientists both in Japan and internationally, fostering a culture of innovation and knowledge sharing.

Conclusion: Fumio Watanabe's relentless pursuit of innovation and his passion for creating cutting-edge technologies have solidified his reputation as a visionary inventor in the global tech community.