Forward Citations = 148

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7 inventors (with patents filed for the assignee):

Ryoichi Nakazato (2 out of 2 patents)

Seizi Ohgomori (2 out of 2 patents)

Hiroshi Tsukino (2 out of 4 patents)

4. Shunichi Torii (1 out of 40 patents)

5. Keiji Kojima (1 out of 63 patents)

6. Masami Takahashi (1 out of 9 patents)

7. Eiji Tatsukawa (1 out of 1 patent)

3 patents: Sort by Forward Citations

1. 5177680 - Electronic mail system with means to transmit data to a plurality of (1993-01-05),

2. 5109487 - System and method for distributed data processing utilizing distributed (1992-04-28),

3. 4839799 - Buffer control method for quickly determining whether a required data (1989-06-13),

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

3 Patents

#3,547 in Tokyo

#8,929 in Japan

Tokyo, Japan

Hitachi Computer Consultant Ltd.

Forward Citations = 148

7 inventors:

Ryoichi Nakazato (2 out of 2 patents)

Seizi Ohgomori (2 out of 2 patents)

Hiroshi Tsukino (2 out of 4 patents)

4. Shunichi Torii (1 out of 40 patents)

5. Keiji Kojima (1 out of 63 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Hitachi Computer Consultant Ltd.. Retrieved from https://idiyas.com/company/hitachi-computer-consultant

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]