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Japan Atomic Energy Agency

USPTO Granted Patents = 88

CIPO Patents = 9

EPO Patents = 20

Forward Citations = 168

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334 inventors (with patents filed for the assignee):

Masaharu Asano (12 out of 21 patents)

Masaru Yoshida (11 out of 78 patents)

Tetsuya Yamaki (8 out of 11 patents)

4. Yasunari Maekawa (8 out of 16 patents)

5. Masao Tamada (8 out of 12 patents)

6. Yozo Nagai (7 out of 23 patents)

7. Hirochika Naganawa (7 out of 9 patents)

8. Toshimitsu Tachibana (7 out of 17 patents)

9. Soji Nishiyama (7 out of 11 patents)

10. Tatsuya Nakamura (5 out of 6 patents)

11. Naotsugu Nagasawa (5 out of 7 patents)

12. Akihiro Hiroki (5 out of 5 patents)

13. Jinhua Chen (5 out of 5 patents)

14. Masaki Katagiri (5 out of 23 patents)

15. Tomoaki Takeuchi (4 out of 4 patents)

Core Competencies:

Radiation Analysis

Neutron Detection

Fluorescent Materials

Optical Detection

Polymer Electrolyte Membranes

Radiation Shielding

Image Sensors

Particle Radiation Monitoring

Hydrogen Gas Detection

Scintillator Plates

Aqueous Solution Separation

Nondestructive Inspection

88 patents: Sort by Forward Citations

1. 12474492 - Radiation analysis method, radiation analysis device, and radiation detector (2025-11-18),

2. 12196899 - Neutron detector (2025-01-14),

3. 12090453 - Nozzle for liquid phase ejection (2024-09-17),

4. 11668309 - Vacuum component and evacuation method using the same (2023-06-06),

5. 11649166 - Process for producing carbonate apatite (2023-05-16),

6. 11597982 - Production process of fine-grained austenitic stainless steel (2023-03-07),

7. 11587691 - Radiation-shielding material (2023-02-21),

8. 11577216 - Carbonate apatite with high carbonate content (2023-02-14),

9. 11571634 - Method and apparatus for producing specific substances by extraction and separation in a liquid-liquid system (2023-02-07),

10. 11406929 - Compound, synthesis method thereof, and separation and recovery agent thereof (2022-08-09),

11. 11051390 - Functional membrane for ion beam transmission, beam line device and filter device each having the same, and method of adjusting filter device (2021-06-29),

12. 10652488 - Optical-detection element, solid-state imaging device, and method for driving solid-state imaging device (2020-05-12),

13. 10494329 - Method for synthesizing tetraalkylnitriloacetic acid diacetamide compound (2019-12-03),

14. 9923006 - Optical detection element and solid-state image pickup device (2018-03-20),

15. 9884989 - ZnS fluorescent material and manufacturing method thereof (2018-02-06),

The Japan Atomic Energy Agency (JAEA) conducts research and development on nuclear energy in Japan. It aims to contribute to national policies and the promotion of peaceful uses of nuclear energy through scientific research, technology development, and public communication. JAEA is committed to the safe and secure use of nuclear energy while addressing environmental challenges and fostering international cooperation.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

88 Patents

#6 in Ibaraki

#1,191 in Japan

#8,401 in the World

Japan Atomic Energy Agency

Forward Citations = 168

334 inventors:

Masaharu Asano (12 out of 21 patents)

Masaru Yoshida (11 out of 78 patents)

Tetsuya Yamaki (8 out of 11 patents)

4. Yasunari Maekawa (8 out of 16 patents)

5. Masao Tamada (8 out of 12 patents)

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