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Hokkaido, Japan

Hitachi Hokkai Semiconductor Ltd.

USPTO Granted Patents = 26

Forward Citations = 257

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83 inventors (with patents filed for the assignee):

Naoki Yada (5 out of 28 patents)

Tadatoshi Danno (4 out of 52 patents)

Hajime Hasebe (4 out of 20 patents)

4. Yukihiro Satou (4 out of 37 patents)

5. Eiichi Ishikawa (4 out of 19 patents)

6. Atsushi Fujisawa (4 out of 15 patents)

7. Takafumi Konno (4 out of 14 patents)

8. Masahiro Ichitani (3 out of 52 patents)

9. Shingo Ohsaka (3 out of 8 patents)

10. Ryo Haruta (3 out of 23 patents)

11. Tsugihiko Hirano (2 out of 7 patents)

12. Osamu Takahashi (2 out of 3 patents)

13. Kunio Ogasawara (2 out of 3 patents)

14. Shigeru Nakamura (2 out of 4 patents)

15. Norihiko Kasai (2 out of 4 patents)

26 patents: Sort by Forward Citations

1. 8618642 - Semiconductor device (2013-12-31),

2. 8044509 - Semiconductor device (2011-10-25),

3. 7911054 - Semiconductor device (2011-03-22),

4. 7805562 - Microcomputer with configurable communication interfacing (2010-09-28),

5. 7518156 - Semiconductor device (2009-04-14),

6. 7310700 - Microcomputer, programming method and erasing method (2007-12-18),

7. 7277979 - Microcomputer with mode-controlled memory (2007-10-02),

8. 7253011 - Fabrication method of semiconductor integrated circuit device (2007-08-07),

9. 7199469 - Semiconductor device having stacked semiconductor chips sealed with a resin seal member (2007-04-03),

10. 7194571 - Microcomputer, programming method and erasing method (2007-03-20),

11. 7093042 - Microcomputer and data processing device (2006-08-15),

12. 7015119 - Fabrication method of semiconductor integrated circuit device (2006-03-21),

13. 7015070 - Electronic device and a method of manufacturing the same (2006-03-21),

14. 6974710 - Fabrication method of semiconductor integrated circuit device and testing method (2005-12-13),

15. 6951774 - Semiconductor device and method of manufacturing the same (2005-10-04),

Hitachi Hokkai Semiconductor Ltd. is a subsidiary of Hitachi Ltd. It specializes in the production of semiconductor products, including memory devices, power devices, and microcomputers. With a focus on quality and innovation, Hitachi Hokkai Semiconductor Ltd. aims to meet the evolving needs of the semiconductor industry.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

26 Patents

#5 in Hokkaido

#2,457 in Japan

#24,093 in the World

Hokkaido, Japan

Hitachi Hokkai Semiconductor Ltd.

Forward Citations = 257

83 inventors:

Naoki Yada (5 out of 28 patents)

Tadatoshi Danno (4 out of 52 patents)

Hajime Hasebe (4 out of 20 patents)

4. Yukihiro Satou (4 out of 37 patents)

5. Eiichi Ishikawa (4 out of 19 patents)

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