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Kanagawa, Japan

Hitachi Information Technology Co., Ltd.

USPTO Granted Patents = 21

CIPO Patents = 1

Forward Citations = 243

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73 inventors (with patents filed for the assignee):

Masaki Yoshinaga (3 out of 10 patents)

Noriaki Hatanaka (3 out of 9 patents)

Yuji Nagaya (3 out of 7 patents)

4. Tatsuo Mochizuki (3 out of 5 patents)

5. Katsuya Sonoyama (3 out of 5 patents)

6. Takashi Hashimoto (3 out of 86 patents)

7. Nobuhito Matsuyama (2 out of 29 patents)

8. Takeshi Aimoto (2 out of 59 patents)

9. Tatsuki Ishii (2 out of 8 patents)

10. Yukihiro Takatani (1 out of 3 patents)

11. Tomoji Nakamura (1 out of 3 patents)

12. Naomichi Nonaka (1 out of 31 patents)

13. Takeki Yazaki (1 out of 65 patents)

14. Yoshikazu Kiyoshige (1 out of 8 patents)

15. Norihiko Moriwaki (1 out of 40 patents)

21 patents: Sort by Forward Citations

1. 7869441 - Variable length packet communication device (2011-01-11),

2. 7840675 - Multi node server system (2010-11-23),

3. 7518233 - Sealing structure for multi-chip module (2009-04-14),

4. 7363614 - Automatic test program generation method (2008-04-22),

5. 7295512 - Performance enhanced TCP communication system (2007-11-13),

6. 7013443 - Delay diagnosis method for semiconductor integrated circuit, computer program product for diagnosing delay of semiconductor integrated circuit and computer readable recording medium recording program thereon (2006-03-14),

7. 6944840 - Design method and system for achieving a minimum machine cycle for semiconductor integrated circuits (2005-09-13),

8. 6922803 - Test method of semiconductor intergrated circuit and test pattern generator (2005-07-26),

9. 6894882 - D.C. power supply circuit and electronic apparatus using such circuits (2005-05-17),

10. 6845435 - Data backup in presence of pending hazard (2005-01-18),

11. 6163218 - Signal amplifier apparatus and magnetic disk storage apparatus using the (2000-12-18),

12. 616321 - Signal amplifier apparatus and magnetic disk storage apparatus using the (2000-12-19),

13. 6145024 - Input/output optical fiber serial interface link that selectively (2000-11-07),

14. 6137781 - Communication network system (2000-10-24),

15. 6125443 - Interrupt processing system and method for information processing system (2000-09-26),

Hitachi Information Technology Co., Ltd. is a subsidiary of Hitachi, Ltd. specializing in providing IT solutions and services to businesses around the world. With a strong focus on innovation and technology, Hitachi IT offers a wide range of services including cloud computing, digital transformation, cybersecurity, and IT infrastructure management. Their team of experts work closely with clients to deliver customized solutions that meet their unique business needs and drive growth and success.

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

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USPTO Data Jan 1 1976 - Dec 30 2025

21 Patents

#89 in Kanagawa

#2,803 in Japan

#29,079 in the World

Kanagawa, Japan

Hitachi Information Technology Co., Ltd.

Forward Citations = 243

73 inventors:

Masaki Yoshinaga (3 out of 10 patents)

Noriaki Hatanaka (3 out of 9 patents)

Yuji Nagaya (3 out of 7 patents)

4. Tatsuo Mochizuki (3 out of 5 patents)

5. Katsuya Sonoyama (3 out of 5 patents)

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