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Hitachi Electronics Services Co. Ltd.

USPTO Granted Patents = 12

% Expired Patents = 16.7

Forward Citations = 281

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48 inventors (with patents filed for the assignee):

Atsushi Ueoka (5 out of 19 patents)

Tadashi Yamagishi (5 out of 11 patents)

Toshio Hirosawa (4 out of 37 patents)

4. Shigeru Sasaki (3 out of 29 patents)

5. Kazuyuki Nakamura (3 out of 16 patents)

6. Fujio Fujita (3 out of 7 patents)

7. Motohide Kokunishi (3 out of 16 patents)

8. Masahiko Ishimaru (3 out of 6 patents)

9. Michio Hirano (3 out of 3 patents)

10. Yoshikazu Ichikawa (3 out of 4 patents)

11. Kaoru Kozuma (3 out of 3 patents)

12. Hideki Namba (3 out of 3 patents)

13. Tsutomu Ito (2 out of 10 patents)

14. Jiro Takahashi (2 out of 3 patents)

15. Hiroshi Wada (2 out of 16 patents)

12 patents: Sort by Forward Citations

1. 6970946 - System management information processing method for use with a plurality of operating systems having different message formats (2005-11-29),

2. 6966014 - Method for system obstacle correspondence support (2005-11-15),

3. 6122257 - Method for collecting information about physical constitution of lan (2000-09-19),

4. 6092027 - Apparatus for detecting and recording a conduction noise, a radiation (2000-07-18),

5. 5993953 - Laminated paper for cushioning material (1999-11-30),

6. 5796577 - Notebook computer with two displays (1998-08-18),

7. 5755082 - Manufacturing equipment for cushioning material (1998-05-26),

8. 5557736 - Computer system and job transfer method using electronic mail system (1996-09-17),

9. 5537543 - Electronic mail drive type computer system and file operation method (1996-07-16),

10. 5408334 - Method and apparatus for having a processor execute a job utilizing an (1995-04-18),

11. 5394550 - System for affecting recompilation of source code (1995-02-28),

12. 5237677 - Monitoring and controlling system and method for data processing system (1993-08-17),

Company Overview

Hitachi Electronics Services Co. Ltd., based in Tokyo, specializes in providing advanced IT solutions and services. The company focuses on integrating cutting-edge technology with business processes, offering expertise in areas such as cloud computing, data analytics, and cybersecurity. With a commitment to innovation, Hitachi Electronics Services plays a pivotal role in enhancing operational efficiency and driving digital transformation across various industries, contributing to the broader technological landscape in Japan and beyond.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

12 Patents

#1,729 in Tokyo

#3,935 in Japan

#48,163 in the World

Hitachi Electronics Services Co. Ltd.

Forward Citations = 281

48 inventors:

Atsushi Ueoka (5 out of 19 patents)

Tadashi Yamagishi (5 out of 11 patents)

Toshio Hirosawa (4 out of 37 patents)

4. Shigeru Sasaki (3 out of 29 patents)

5. Kazuyuki Nakamura (3 out of 16 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Hitachi Electronics Services Co. Ltd.. Retrieved from https://idiyas.com/company/hitachi-electronics-services-company

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]

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