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Hitachi Solutions, Ltd.

USPTO Granted Patents = 82

% Expired Patents = 48.8

CIPO Patents = 1

EPO Patents = 31

Trademarks = 4

Forward Citations = 173

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140 inventors (with patents filed for the assignee):

Yuichi Nakamura (6 out of 50 patents)

Yohsuke Ishii (5 out of 48 patents)

Yasuhiro Kirihata (5 out of 5 patents)

4. Toshiko Matsumoto (4 out of 7 patents)

5. Toshio Ishii (4 out of 32 patents)

6. Masaaki Tanizaki (4 out of 18 patents)

7. Nobutaka Kimura (3 out of 22 patents)

8. Kishiko Maruyama (3 out of 3 patents)

9. Takayuki Akiyama (3 out of 14 patents)

10. Tateki Harada (3 out of 3 patents)

11. Nobuyuki Ohama (3 out of 4 patents)

12. Yuzo Oshida (3 out of 3 patents)

13. Mitsuharu Oba (3 out of 3 patents)

14. Daisuke Tanabe (2 out of 16 patents)

15. Yuichiro Ueda (2 out of 2 patents)

Core Competencies:

Information Processing

Encryption

Dialogue Management

Data Analysis

Image Processing

Content Protection

Data Collection

Geospatial Information

File Management

Communication Management

Threat Monitoring

Firmware Update

82 patents: Sort by Forward Citations

1. 12718150 - AI quality monitoring system (2026-08-25),

2. 12645816 - Unauthorized access detection device and unauthorized access detection method (2026-06-02),

3. 12563145 - Dialogue management apparatus, dialogue management system, and dialogue management method (2026-02-24),

4. 12511865 - Overhead wire recognition device and overhead wire recognition method (2025-12-30),

5. 12501595 - Electronic apparatus and electro-magnetic interference reduction method (2025-12-16),

6. 12499179 - Selection method of learning data and computer system (2025-12-16),

7. 12432061 - Content protection system (2025-09-30),

8. 12418412 - Secure and robust federated learning system and method by multi-party homomorphic encryption (2025-09-16),

9. 12361684 - Data collection system (2025-07-15),

10. 11989535 - Simulation method and recording medium (2024-05-21),

11. 11979231 - Conversion apparatus, conversion method, and recording medium (2024-05-07),

12. 11715055 - Manufacture and sales strategy planning method and device thereof (2023-08-01),

13. 11587301 - Image processing device, image processing method, and image processing system (2023-02-21),

14. 11495026 - Aerial line extraction system and method (2022-11-08),

15. 11410198 - Information processing device and method for distributing information of a facility that faces a road having a predetermined traffic capacity (2022-08-09),

Company Overview

Hitachi Solutions, Ltd., based in Tokyo, specializes in advanced information processing technologies. The company focuses on a range of core areas including encryption, dialogue management, data analysis, and image processing. Hitachi Solutions is dedicated to providing innovative solutions that enhance data collection and content protection, while also leveraging geospatial information to drive insights. Their expertise supports various industries, enabling organizations to harness the power of data for improved decision-making and operational efficiency.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

82 Patents

#616 in Tokyo

#1,282 in Japan

#9,264 in the World

Hitachi Solutions, Ltd.

Forward Citations = 173

140 inventors:

Yuichi Nakamura (6 out of 50 patents)

Yohsuke Ishii (5 out of 48 patents)

Yasuhiro Kirihata (5 out of 5 patents)

4. Toshiko Matsumoto (4 out of 7 patents)

5. Toshio Ishii (4 out of 32 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Hitachi Solutions, Ltd.. Retrieved from https://idiyas.com/company/hitachi-solutions

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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