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International Superconductivity Technology Center

USPTO Granted Patents = 128

% Expired Patents = 5.5

EPO Patents = 3

Forward Citations = 723

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230 inventors (with patents filed for the assignee):

Shoji Tanaka (52 out of 79 patents)

Youichi Enomoto (22 out of 29 patents)

Izumi Hirabayashi (16 out of 22 patents)

4. Masato Murakami (15 out of 38 patents)

5. Yuh Shiohara (14 out of 28 patents)

6. Tadataka Morishita (14 out of 16 patents)

7. Hisao Yamauchi (14 out of 14 patents)

8. Naoki Koshizuka (11 out of 15 patents)

9. Yasuji Yamada (10 out of 14 patents)

10. Seiji Adachi (10 out of 12 patents)

11. Katsumi Suzuki (9 out of 50 patents)

12. Hisao Yamauchi (9 out of 9 patents)

13. Naomichi Sakai (8 out of 13 patents)

14. Hiroshi Takaichi (7 out of 9 patents)

15. Yuh Shiohara (7 out of 10 patents)

Core Competencies:

High-Temperature Superconductors

Superconducting Cable

Magnetic Sensors

Oxide Films

Superconducting Wires

Thin Film Materials

Josephson Junctions

Composite Materials

Fabrication Methods

Rare Earth Oxides

Superconducting Devices

Bulk Superconductors

128 patents: Sort by Forward Citations

1. 9279863 - High-temperature superconducting magnetic sensor (2016-03-08),

2. 9006146 - Superconducting cable (2015-04-14),

3. 8927461 - Substrate for fabricating superconductive film, superconductive wires and manufacturing method thereof (2015-01-06),

4. 8781542 - High-temperature superconducting magnetic sensor and fabrication method of the same (2014-07-15),

5. 8260388 - Current terminal structure of superconducting wire and superconducting cable having the current terminal structure (2012-09-04),

6. 8216979 - Method of manufacturing superconducting thin film material, superconducting device and superconducting thin film material (2012-07-10),

7. 7919434 - Oxide superconducting film and method of preparing the same (2011-04-05),

8. 7732376 - Oxide superconducting film and method of preparing the same (2010-06-08),

9. 7691786 - Oxide superconducting film and method of preparing the same (2010-04-06),

10. 7615515 - Oxide superconductor and method of preparing the same (2009-11-10),

11. 7544273 - Deposition methods and stacked film formed thereby (2009-06-09),

12. 7473670 - Process for producing rare earth oxide superconductor (2009-01-06),

13. 7431868 - Method of manufacturing a metal substrate for an oxide superconducting wire (2008-10-07),

14. 7361627 - Method of preparing oxide superconducting film (2008-04-22),

15. 7075171 - Superconducting system, superconducting circuit chip, and high-temperature superconducting junction device with a shunt resistor (2006-07-11),

Company Overview

The International Superconductivity Technology Center, located in Tokyo, Japan, specializes in the development and research of high-temperature superconductors. The organization focuses on advancing technologies related to superconducting cables, magnetic sensors, and oxide films, contributing to innovations in energy transmission and storage. Their expertise extends to superconducting wires, thin film materials, and Josephson junctions, positioning them as a key player in the field of superconductivity and composite materials.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

128 Patents

#474 in Tokyo

#968 in Japan

#6,277 in the World

International Superconductivity Technology Center

Forward Citations = 723

230 inventors:

Shoji Tanaka (52 out of 79 patents)

Youichi Enomoto (22 out of 29 patents)

Izumi Hirabayashi (16 out of 22 patents)

4. Masato Murakami (15 out of 38 patents)

5. Yuh Shiohara (14 out of 28 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: International Superconductivity Technology Center. Retrieved from https://idiyas.com/company/international-superconductivity-technology-center

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

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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