Takashi Kumagai

USPTO Granted Patents = 46 (Patent Applications = 3)

CIPO Patents = 1

EPO Patents = 4 (Patent Applications = 4)

Average Co-Inventor Count = 3.3

ph-index = 6

Forward Citations = 252(Granted Patents)

Location History:

Amagasaki, JP (1992)
Hyogo, JP (1993)
Chiyoda-ku, JP (2012 - 2014)
Tokyo, JP (1984 - 2024)

Company Filing History:

25 out of 15,928

Mitsubishi Electric Corporation

Mitsubishi Denki Kabushiki Kaisha

patents

4. 1 out of 488

Mitsubishi Denki K.k.

Mitsubishi Electric Lighting Corporation

patents

7. 1 out of 2

Shinko Engineering Research Corp.

patents

8. 1 out of 2

Mamiya Koki Kabushiki Kaisha (Mamiya Camera Co., Ltd.)

patents

9. 1 out of 832,880

Other

patents

where one patent can have more than one assignee

Years Active: 1984-2025

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Areas of Expertise:

Power Conversion Device

Reactor

Semiconductor Device

Data Processing System

Communication System

Noise Filter

Light Source Lighting Device

Rectifier

Switching Power Supply

Discharge-Excited Laser

Capacitive Loads

Shape Detecting Device

46 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12500028 - Power converter and coil apparatus (2025-12-16),

2. 12477694 - Circuit device (2025-11-18),

3. 12381033 - Laminated coil, coil device, and power conversion device (2025-08-05),

4. 12224677 - Power source device (2025-02-11),

5. 12119155 - Reactor (2024-10-15),

6. 12073983 - Power conversion device (2024-08-27),

7. 11948718 - Reactor (2024-04-02),

8. 11658089 - Semiconductor device (2023-05-23),

9. 11350517 - Circuit device and power conversion device (2022-05-31),

10. 11206729 - Power circuit device (2021-12-21),

11. 11094452 - Power converter (2021-08-17),

12. 11049640 - Circuit device and power converter (2021-06-29),

13. 11031177 - Power converter (2021-06-08),

14. 10529478 - Air core type reactor unit and electric power supply equipment having an air core type reactor unit (2020-01-07),

15. 10491180 - Board-type noise filter and electronic device (2019-11-26),

Title: Takashi Kumagai: Pioneering Inventor from Tokyo

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

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

Career Highlights: With over two decades of experience in the tech industry, Kumagai has worked for leading research institutions and tech companies, spearheading projects that have revolutionized the way we interact with technology.

Collaborations: Throughout his career, Kumagai has collaborated with top engineers, scientists, and designers from around the world, fostering a culture of innovation and excellence in all his projects.

Conclusion: Takashi Kumagai's relentless pursuit of innovation and his passion for pushing the boundaries of technology have solidified his position as a trailblazing inventor in the global tech community.

This text is generated by artificial intelligence and may not be accurate.