% Expired Patents = 83.3

Forward Citations = 7

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14 inventors (with patents filed for the assignee):

Tsuyoshi Minakawa (2 out of 20 patents)

Makoto Honda (2 out of 95 patents)

Tatsuzo Hamada (2 out of 10 patents)

4. Shigeto Akutsu (2 out of 2 patents)

5. Katsuyoshi Harasawa (2 out of 4 patents)

6. Takeshi Hosoi (2 out of 2 patents)

7. Takaaki Suzuki (1 out of 62 patents)

8. Ryozo Yoshino (1 out of 2 patents)

9. Akio Kawase (1 out of 4 patents)

10. Hideo Aoe (1 out of 8 patents)

11. Junpei Watanabe (1 out of 1 patent)

12. Shingo Sasaki (1 out of 1 patent)

13. Koichi Hidaka (1 out of 1 patent)

14. Takamasa Satoh (1 out of 27 patents)

6 patents: Sort by Forward Citations

1. 8630506 - Image correcting device, method for creating corrected image, correction table creating device, method for creating correction table, program for creating correction table, and program for creating corrected image (2014-01-14),

2. 8571345 - Method and device for correcting image, and method and device for generating correction table for use in correction of image (2013-10-29),

3. 8284937 - Method for synchronization in encrypted communications using shared key (2012-10-09),

4. 7970140 - Method and system for encrypted communications using multi-valued modulation (2011-06-28),

5. 7702366 - Base station and base station controller for transmission of prioritized packets (2010-04-20),

6. 7557357 - D/A conversion device and method and charged particle beam exposure apparatus and method (2009-07-07),

Company Overview

Hitachi Information & Communication Engineering, Ltd. (Hitachi ICE) is a subsidiary of Hitachi, Ltd. specializing in providing information and communication technology solutions and services. With a focus on innovation and quality, Hitachi ICE offers a wide range of products including IT systems, software development, cloud services, and consulting. The company aims to empower businesses and organizations with cutting-edge technology to drive growth and efficiency.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

6 Patents

#108 in Yokohama

#5,989 in Japan

Yokohama, Japan

Hitachi Information & Communication Engineering, Ltd.

Forward Citations = 7

14 inventors:

Tsuyoshi Minakawa (2 out of 20 patents)

Makoto Honda (2 out of 95 patents)

Tatsuzo Hamada (2 out of 10 patents)

4. Shigeto Akutsu (2 out of 2 patents)

5. Katsuyoshi Harasawa (2 out of 4 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Hitachi Information & Communication Engineering, Ltd.. Retrieved from https://idiyas.com/company/hitachi-information-and-communication-engineering

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]