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Hitachi Industrial Products, Ltd.

USPTO Granted Patents = 28

EPO Patents = 6

Trademarks = 2

Forward Citations = 19

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86 inventors (with patents filed for the assignee):

Takayuki Koyama (4 out of 14 patents)

Kenichi Sugimoto (4 out of 72 patents)

Yuuichirou Yoshitake (3 out of 3 patents)

4. Tomohiro Naruse (3 out of 9 patents)

5. Kiyotaka Hiradate (3 out of 4 patents)

6. Hiroshi Yoshitake (3 out of 5 patents)

7. Yasushi Hayasaka (3 out of 20 patents)

8. Yuuki Kasai (2 out of 2 patents)

9. Kazuhiro Tsukamoto (2 out of 25 patents)

10. Takeshi Kazama (2 out of 7 patents)

11. Kimihisa Furukawa (2 out of 21 patents)

12. Takae Shimada (2 out of 35 patents)

13. Mizuki Nakahara (2 out of 7 patents)

14. Hiromi Kobayashi (2 out of 38 patents)

15. Isao Hagiya (2 out of 3 patents)

28 patents: Sort by Forward Citations

1. 12365254 - Electric vehicle and electric vehicle system (2025-07-22),

2. 12355377 - Adjustable speed generator motor system with full power converter (2025-07-08),

3. 12176795 - Rotary electric machine (2024-12-24),

4. 12146504 - Centrifugal compressor (2024-11-19),

5. 12115884 - Electric power supply systems and power supply equipment for electric vehicle (2024-10-15),

6. 12049903 - Multistage centrifugal compressor (2024-07-30),

7. 11973397 - Dynamo-electric machine (2024-04-30),

8. 11598694 - Abnormality diagnosis system for rotary electric machine (2023-03-07),

9. 11440733 - Picking assistance system and assistance method (2022-09-13),

10. 11387701 - Rotating electric machine having coils insulated by paper sheets with semi-conductive layers (2022-07-12),

11. 11374454 - Dynamo-electric machine having coils insulated by semi-conductive layers with release treatment (2022-06-28),

12. 11346364 - Multistage centrifugal fluid machine (2022-05-31),

13. 11319967 - Centrifugal multistage compressor (2022-05-03),

14. 11280223 - Bolt fastening structure and turbo-machine using same (2022-03-22),

15. 11255377 - Tilting-pad-type journal bearing (2022-02-22),

Hitachi Industrial Products, Ltd. is a global company that specializes in the manufacturing and sales of industrial products. With a wide range of offerings, including power tools, motors, compressors, and electromagnetic equipment, the company caters to various industries such as construction, automotive, energy, and more. Hitachi Industrial Products is committed to providing high-quality, innovative solutions to its customers and maintaining a strong presence in the global market.

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

Company Badge

USPTO Data Jan 1 1976 - Jan 6 2026

28 Patents

#970 in Tokyo

#2,357 in Japan

#22,582 in the World

Hitachi Industrial Products, Ltd.

Forward Citations = 19

86 inventors:

Takayuki Koyama (4 out of 14 patents)

Kenichi Sugimoto (4 out of 72 patents)

Yuuichirou Yoshitake (3 out of 3 patents)

4. Tomohiro Naruse (3 out of 9 patents)

5. Kiyotaka Hiradate (3 out of 4 patents)

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