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Hatachi Ltd

USPTO Granted Patents = 13

Forward Citations = 197

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42 inventors (with patents filed for the assignee):

Kazumichi Imai (1 out of 37 patents)

Mitsuaki Mirumachi (1 out of 13 patents)

Shinichi Fujino (1 out of 28 patents)

4. Yasushi Izunaga (1 out of 7 patents)

5. Shigeru Shimada (1 out of 37 patents)

6. Seiichi Mita (1 out of 69 patents)

7. Toshitsugu Takekuma (1 out of 29 patents)

8. Hidenobu Taniguchi (1 out of 4 patents)

9. Yoichi Tamaki (1 out of 32 patents)

10. Yoshinori Fukasaku (1 out of 16 patents)

11. Hirokazu Ougi (1 out of 1 patent)

12. Hideo Takashima (1 out of 1 patent)

13. Munetoshi Kouchi (1 out of 1 patent)

14. Hiroshi Hayami (1 out of 1 patent)

15. Hajime Asada (1 out of 1 patent)

13 patents: Sort by Forward Citations

1. 7110548 - Cryptographic communication method, encryption algorithm shared control method, encryption algorithm conversion method and network communication system (2006-09-19),

2. 6191425 - Multicolor fluorescence detection type electrophoretic analyzer (2001-02-20),

3. 5441834 - Process for fabricating phase shift mask and process of semiconductor (1995-08-15),

4. 5391915 - Integrated circuit having reduced soft errors and reduced penetration of (1995-02-21),

5. 5336046 - Noise reduced centrifugal blower (1994-08-09),

6. 5278868 - Receiver for quadraphase modulation signals (1994-01-11),

7. 5259038 - Point pattern matching method and system as well as picture recognizing (1993-11-02),

8. 5200348 - Method of manufacturing semiconductor device with constant width deep (1993-04-06),

9. 5091667 - D.C. machine of type having permanent magnets with auxiliary poles (1992-02-25),

10. 4889471 - Mechanism for prevention of burning of bearing portions in a hermetic (1989-12-26),

11. 4782037 - Process of fabricating a semiconductor insulated circuit device having a (1988-11-01),

12. 4412253 - Automatic noise removal device for a picture signal (1983-10-25),

13. 4354220 - Gas insulated power switch-gear apparatus (1982-10-12),

Hitachi Ltd is a multinational conglomerate company headquartered in Tokyo, Japan. The company operates in various sectors including information technology, electronic devices, power systems, and automotive systems. Hitachi is one of the largest companies in Japan and has a global presence with operations in over 70 countries. The company is known for its innovation, quality products, and commitment to sustainability.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

13 Patents

#1,458 in Tokyo

#3,667 in Japan

#43,690 in the World

Hatachi Ltd

Forward Citations = 197

42 inventors:

Kazumichi Imai (1 out of 37 patents)

Mitsuaki Mirumachi (1 out of 13 patents)

Shinichi Fujino (1 out of 28 patents)

4. Yasushi Izunaga (1 out of 7 patents)

5. Shigeru Shimada (1 out of 37 patents)

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