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Japan Superconductor Technology Inc.

USPTO Granted Patents = 14

% Expired Patents = 35.7

EPO Patents = 11

Trademarks = 1

Forward Citations = 16

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26 inventors (with patents filed for the assignee):

Mamoru Hamada (5 out of 6 patents)

Yoshinori Yanagisawa (4 out of 10 patents)

Satoshi Ito (4 out of 6 patents)

4. Hitoshi Miyata (2 out of 2 patents)

5. Atsuko Oka (2 out of 4 patents)

6. Kazuhito Tago (2 out of 2 patents)

7. Yoshio Okui (2 out of 2 patents)

8. Takashi Yamaguchi (1 out of 27 patents)

9. Tatsuoki Nagaishi (1 out of 50 patents)

10. Koji Inoue (1 out of 25 patents)

11. Kotaro Ohki (1 out of 16 patents)

12. Hideki Nakagome (1 out of 2 patents)

13. Kenichi Inoue (1 out of 25 patents)

14. Kyoji Zaitsu (1 out of 10 patents)

15. Yasuhide Nagahama (1 out of 1 patent)

14 patents: Sort by Forward Citations

1. 11980106 - Persistent current switch and superconducting device (2024-05-07),

2. 11828513 - Apparatus for recondensing helium for cryostat (2023-11-28),

3. 11732930 - Cooling container to which refrigerator is attachable (2023-08-22),

4. 11551842 - Superconducting magnet apparatus (2023-01-10),

5. 10699830 - Superconducting magnet device (2020-06-30),

6. 10656223 - Magnetic field generation device (2020-05-19),

7. 10580555 - Superconducting coil pre-cooling method and superconducting magnet apparatus (2020-03-03),

8. 10475562 - Method for maintaining refrigeration unit and refrigeration unit (2019-11-12),

9. 10330259 - Cryostat including gas phase volume-varying unit (2019-06-25),

10. 10097067 - Liquefaction system and power generation system (2018-10-09),

11. 10002697 - Superconducting magnet device (2018-06-19),

12. 9777883 - Superconducting magnet apparatus (2017-10-03),

13. 9655291 - Multilayer magnetic shield (2017-05-16),

14. 9543754 - Superconducting coil protection method and superconducting magnet device (2017-01-10),

Japan Superconductor Technology Inc. (JST) is a leading company in the field of superconducting technology-based products and services. Founded in [year], JST is committed to advancing the development and commercialization of superconducting technologies for various industries. With a focus on research, innovation, and quality, JST offers a wide range of high-performance superconducting materials, components, and systems. Visit their website for more information and to explore their innovative solutions.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Sep 29 2026

14 Patents

#56 in Hyogo

#3,573 in Japan

#42,168 in the World

Japan Superconductor Technology Inc.

Forward Citations = 16

26 inventors:

Mamoru Hamada (5 out of 6 patents)

Yoshinori Yanagisawa (4 out of 10 patents)

Satoshi Ito (4 out of 6 patents)

4. Hitoshi Miyata (2 out of 2 patents)

5. Atsuko Oka (2 out of 4 patents)

Please report any incorrect information to [email protected]

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