Forward Citations = 136

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32 inventors (with patents filed for the assignee):

Yoshimasa Kiuchi (2 out of 4 patents)

Hiroyuki Tsuchiya (2 out of 6 patents)

Atsushi Tanaka (1 out of 82 patents)

4. Masahiro Koike (1 out of 24 patents)

5. Hiroshi Ota (1 out of 65 patents)

6. Hideo Sato (1 out of 158 patents)

7. Koichi Kurosawa (1 out of 15 patents)

8. Ren Morinaka (1 out of 16 patents)

9. Fujio Yoshikubo (1 out of 8 patents)

10. Yoshiaki Nagashima (1 out of 5 patents)

11. Kunio Enomoto (1 out of 21 patents)

12. Eisaku Hayashi (1 out of 12 patents)

13. Noboru Chiba (1 out of 10 patents)

14. Kazunori Sato (1 out of 4 patents)

15. Fuminobu Takahashi (1 out of 26 patents)

6 patents: Sort by Forward Citations

1. 5749384 - Method and apparatus for performing preventive maintenance on the bottom (1998-05-12),

2. 5732362 - Method for treating radioactive laundry waste water (1998-03-24),

3. 5663502 - Method and apparatus for measuring thickness of layer using acoustic (1997-09-02),

4. 5485612 - Method and apparatus for assigning processors in parallel computer system (1996-01-16),

5. 5299305 - Method for generating forms and for processing and transferring data (1994-03-29),

6. 5140165 - Vessel for solidification treatment of radioactive waste pellets (1992-08-18),

Company Overview

Hitachi Nuclear Engineering Co., Ltd. is a subsidiary of Hitachi, Ltd. specializing in nuclear power plant design, engineering, and construction. The company offers a wide range of services in the nuclear energy sector, including maintenance, decommissioning, and waste management. With a strong focus on safety and reliability, Hitachi Nuclear Engineering is a trusted partner for governments and utilities around the world.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

6 Patents

#46 in Ibaraki

#5,990 in Japan

Ibaraki, Japan

Hitachi Nuclear Engineering Co., Ltd.

Forward Citations = 136

32 inventors:

Yoshimasa Kiuchi (2 out of 4 patents)

Hiroyuki Tsuchiya (2 out of 6 patents)

Atsushi Tanaka (1 out of 82 patents)

4. Masahiro Koike (1 out of 24 patents)

5. Hiroshi Ota (1 out of 65 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Hitachi Nuclear Engineering Co., Ltd.. Retrieved from https://idiyas.com/company/hitachi-nuclear-engineering-company

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]