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Hitachi Tohbu Semiconductor, Ltd.

USPTO Granted Patents = 35

Forward Citations = 418

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122 inventors (with patents filed for the assignee):

Toshiyuki Hata (9 out of 53 patents)

Kazuya Takahashi (7 out of 62 patents)

Yasushi Takahashi (7 out of 73 patents)

4. Ryoichi Kajiwara (7 out of 33 patents)

5. Toshiaki Morita (7 out of 38 patents)

6. Masahiro Koizumi (7 out of 21 patents)

7. Munehisa Kishimoto (7 out of 22 patents)

8. Toshinori Hirashima (7 out of 24 patents)

9. Shigeru Ishii (7 out of 9 patents)

10. Keiichi Ookawa (7 out of 9 patents)

11. Hiroshi Sato (7 out of 17 patents)

12. Tetsuaki Adachi (6 out of 42 patents)

13. Yasuhiro Nunogawa (5 out of 26 patents)

14. Toshio Sugano (4 out of 58 patents)

15. Hiroki Nakajima (4 out of 7 patents)

35 patents: Sort by Forward Citations

1. 8455986 - Mosfet package (2013-06-04),

2. 8183607 - Semiconductor device (2012-05-22),

3. 7985991 - MOSFET package (2011-07-26),

4. 7525813 - Semiconductor device (2009-04-28),

5. 7400002 - MOSFET package (2008-07-15),

6. 7394146 - MOSFET package (2008-07-01),

7. 7351946 - Semiconductor integrated circuit device and imaging system (2008-04-01),

8. 7342267 - MOSFET package (2008-03-11),

9. 7332757 - MOSFET package (2008-02-19),

10. 7278577 - Image input system (2007-10-09),

11. 7145394 - High frequency power amplifier module, and wireless communication system (2006-12-05),

12. 7122775 - Semiconductor integrated circuit device and imaging system (2006-10-17),

13. 7084055 - Method for manufacturing semiconductor integrated circuit device (2006-08-01),

14. 7068521 - Semiconductor device (2006-06-27),

15. 6986072 - Register capable of corresponding to wide frequency band and signal generating method using the same (2006-01-10),

Hitachi Tohbu Semiconductor, Ltd. is a leading provider of semiconductor solutions for various industries. With a strong focus on innovation and advanced technology, the company develops and manufactures a wide range of high-performance and reliable semiconductor products. Their offerings include power semiconductor devices, discrete devices, optical devices, and more. Hitachi Tohbu Semiconductor, Ltd. aims to contribute to the advancement of society through its cutting-edge semiconductor solutions.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

35 Patents

#7 in Gunma

#2,078 in Japan

#18,608 in the World

Hitachi Tohbu Semiconductor, Ltd.

Forward Citations = 418

122 inventors:

Toshiyuki Hata (9 out of 53 patents)

Kazuya Takahashi (7 out of 62 patents)

Yasushi Takahashi (7 out of 73 patents)

4. Ryoichi Kajiwara (7 out of 33 patents)

5. Toshiaki Morita (7 out of 38 patents)

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