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Hitachi Haramachi Electronics Co., Ltd.

USPTO Granted Patents = 8

EPO Patents = 1

Forward Citations = 115

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51 inventors (with patents filed for the assignee):

Ryuichi Saito (3 out of 81 patents)

Nobuya Koike (3 out of 31 patents)

Yoshihiko Koike (3 out of 19 patents)

4. Hideya Kokubun (3 out of 4 patents)

5. Isao Kobayashi (2 out of 15 patents)

6. Yutaka Higashimura (2 out of 8 patents)

7. Masahiro Koizumi (2 out of 21 patents)

8. Kazuji Yamada (2 out of 45 patents)

9. Yasutoshi Kurihara (2 out of 14 patents)

10. Tadao Kushima (2 out of 8 patents)

11. Takashi Haramaki (2 out of 8 patents)

12. Takashi Hosokawa (2 out of 5 patents)

13. Mamoru Sawahata (2 out of 11 patents)

14. Jin Onuki (2 out of 20 patents)

15. Hideo Shimizu (2 out of 4 patents)

8 patents: Sort by Forward Citations

1. 7692299 - Semiconductor apparatus having improved thermal fatigue life (2010-04-06),

2. 7141741 - Circuit board (2006-11-28),

3. 6040827 - Driver circuit, driver integrated circuit, and display device and (2000-03-21),

4. 5999999 - Communication control device and a communication system using the same (1999-12-07),

5. 5956231 - Semiconductor device having power semiconductor elements (1999-09-21),

6. 5818281 - Semiconductor circuit having turn-on prevention capability of switching (1998-10-06),

7. 5621243 - Semiconductor device having thermal stress resistance structure (1997-04-15),

8. 5554863 - Gate turn-off thyristor (1996-09-10),

Hitachi Haramachi Electronics Co., Ltd. is a leading electronics manufacturer specializing in innovative and high-quality electronic products. With a strong focus on research and development, we strive to deliver cutting-edge solutions to meet the evolving needs of our customers. Our products range from consumer electronics to industrial machinery, all designed with precision and excellence.

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

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USPTO Data Jan 1 1976 - Dec 9 2025

8 Patents

#218 in

#4,915 in Japan

Hitachi Haramachi Electronics Co., Ltd.

Forward Citations = 115

51 inventors:

Ryuichi Saito (3 out of 81 patents)

Nobuya Koike (3 out of 31 patents)

Yoshihiko Koike (3 out of 19 patents)

4. Hideya Kokubun (3 out of 4 patents)

5. Isao Kobayashi (2 out of 15 patents)

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