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Hitachi-ge Nuclear Energy, Ltd.

USPTO Granted Patents = 155

EPO Patents = 44

Forward Citations = 213

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320 inventors (with patents filed for the assignee):

Kazushige Ishida (19 out of 23 patents)

Hideyuki Hosokawa (15 out of 19 patents)

Naoyuki Kono (13 out of 25 patents)

4. Makoto Nagase (13 out of 30 patents)

5. Motohiro Aizawa (12 out of 14 patents)

6. Naoshi Usui (12 out of 12 patents)

7. Yoichi Wada (11 out of 17 patents)

8. Masao Chaki (9 out of 15 patents)

9. Motoo Aoyama (9 out of 52 patents)

10. Atsushi Baba (8 out of 17 patents)

11. Satoru Aoike (8 out of 11 patents)

12. Masahiro Miki (8 out of 10 patents)

13. Yoshio Nonaka (8 out of 13 patents)

14. Motomasa Fuse (8 out of 8 patents)

15. Yoshihisa Kiyotoki (7 out of 14 patents)

Core Competencies:

Nuclear Power Plant

Chemical Decontamination

Ultrasonic Inspection

Control Rod Mechanism

Fuel Assembly

Piping Soundness Evaluation

Reactor Water Quality

Organic Iodine Removal

Vibration Isolation

Corrosion Prediction

Laser Welding

Eddy Current Inspection

155 patents: Sort by Forward Citations

1. 12502727 - Corrosion and wear resistant overlay, method for forming corrosion and wear resistant overlay, and corrosion and wear resistant valve (2025-12-23),

2. 12500419 - Power supply system and power supply method (2025-12-16),

3. 12476563 - Power system and control method of power system (2025-11-18),

4. 12405251 - Piping wall thinning prediction system, piping soundness evaluation system, and method (2025-09-02),

5. 12340913 - Organic iodine remover (2025-06-24),

6. 12283386 - Chemical decontamination method and chemical decontamination apparatus (2025-04-21),

7. 12198825 - Chemical decontamination method (2025-01-14),

8. 12176118 - Organic iodine trapping apparatus (2024-12-24),

9. 12170151 - Collision protection slab above spent fuel pool (2024-12-17),

10. 11946554 - Fluid contact member and method of manufacturing fluid contact member (2024-04-02),

11. 11942228 - Device for prediction of reactor water quality of nuclear reactor (2024-03-26),

12. 11854709 - Fast reactor with primary and backup control rods (2023-12-26),

13. 11728046 - Fuel assembly (2023-08-15),

14. 11684976 - Method of manufacturing transition piece and transition piece (2023-06-27),

15. 11630085 - Ultrasonic inspection method and ultrasonic inspection apparatus (2023-04-18),

Hitachi-GE Nuclear Energy, Ltd. is a joint venture between Hitachi, Ltd. and General Electric (GE). The company specializes in the design, construction, and maintenance of nuclear power plants and related equipment. With a strong focus on safety, reliability, and efficiency, Hitachi-GE Nuclear Energy aims to contribute to the global energy industry by providing innovative and sustainable solutions. Visit their website for detailed information and services.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 23 2025

155 Patents

#1 in Hitachi

#814 in Japan

#5,151 in the World

Hitachi-ge Nuclear Energy, Ltd.

Forward Citations = 213

320 inventors:

Kazushige Ishida (19 out of 23 patents)

Hideyuki Hosokawa (15 out of 19 patents)

Naoyuki Kono (13 out of 25 patents)

4. Makoto Nagase (13 out of 30 patents)

5. Motohiro Aizawa (12 out of 14 patents)

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