Naoki Tanaka

This inventor holds 59 USPTO granted patents and 5 published patent applications and 11 EPO patents, primarily in Backup Systems (CPC class F25B). Top assignees: Hitachi, Ltd., Mitsubishi Electric Corporation, Mitsubishi Denki Kabushiki Kaisha. Active years: 1981-2025.

USPTO Granted Patents = 59 (Patent Applications = 5)

% Patents Active = 79.7

EPO Patents = 11 (Patent Applications = 18)

Average Co-Inventor Count = 3.7

ph-index = 13

Forward Citations = 500(Granted Patents)

Forward Citations (Not Self Cited) = 490(Dec 10, 2025)

Inventors with similar research interests:

Location History:

Itami, JP (1986)
Hyogo, JP (1985 - 1987)
Amagasaki, JP (1981 - 1991)
Abiko, JP (1991)
Chofu, JP (1995)
Matsudo, JP (1998 - 2006)
Saitama, JP (1993 - 2013)
Chiyoda-ku, JP (2018)
Tokyo, JP (1992 - 2024)

Company Filing History:

Mitsubishi Electric Corporation

patents

12 out of 21,351

Mitsubishi Denki Kabushiki Kaisha

patents

4. 6 out of 900

Hitachi Medical Corporation

patents

5. 4 out of 613

Sankyo Company, Limited

patents

6. 3 out of 460

Daiichi Sankyo Company, Limited

Sony Computer Entertainment Inc.

where one patent can have more than one assignee

Years Active: 1981-2025

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Areas of Expertise:

Backup System

Gas Insulated Switchgear

Biological Measurement

Air Conditioning Apparatus

Optical Measurement

Cerebral Blood Volume

Surge Suppression

Living Body Measurement

Refrigeration Cycle

Data Protection

Vacuum Circuit Breaker

Digital Broadcasting Antenna

59 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12482899 - Nonwoven fabric and battery separator (2025-11-25),

2. 11909180 - Gas insulated switchgear (2024-02-20),

3. 11556428 - Backup system including a data protection area and a read-only volume used by a controller to read a copy of backup data from the data protection area (2023-01-17),

4. 11289885 - Gas-insulated switchgear (2022-03-29),

5. 11061781 - Backup system (2021-07-13),

6. 10592352 - Backup system (2020-03-17),

7. 10347447 - Tank type vacuum circuit breaker (2019-07-09),

8. 10297987 - Gas insulated switchgear (2019-05-21),

9. D840354 - Distribution board (2019-02-12),

10. D840353 - Distribution board (2019-02-12),

11. D825489 - Distribution board (2018-08-14),

12. 9893515 - Power switchgear having surge suppression apparatus (2018-02-13),

13. 9657955 - Air-conditioning apparatus (2017-05-23),

14. 9587843 - Air-conditioning apparatus and relay unit (2017-03-07),

15. 9472356 - Tank-type vacuum circuit breaker (2016-10-18),

Title: Naoki Tanaka - Innovative Inventor from Tokyo

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

Latest Patents: Naoki Tanaka holds several patents in the areas of robotics, artificial intelligence, and renewable energy technologies, showcasing his diverse range of expertise and innovative spirit.

Career Highlights: With over two decades of experience in the tech industry, Naoki Tanaka has worked with leading research institutions and companies to develop cutting-edge solutions that have revolutionized various sectors.

Collaborations: Throughout his career, Naoki Tanaka has collaborated with top engineers, scientists, and inventors from around the world, fostering a culture of innovation and knowledge-sharing in the industry.

Conclusion: Naoki Tanaka's passion for pushing the boundaries of technology and his relentless pursuit of innovation continue to inspire the next generation of inventors and shape the future of technological advancements globally.