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For the Inventor, By the Inventor

Tokyo, Japan

Hitachi Solutions, Ltd.


USPTO Granted Patents = 82

% Expired Patents = 48.8



Trademarks = 4

Forward Citations = 173

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140 inventors (with patents filed for the assignee):

goldMedal Yuichi Nakamura (6 out of 50 patents)

silverMedal Yohsuke Ishii (5 out of 48 patents)

bronzeMedal 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:

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),
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 based on public USPTO records.

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USPTO Data Jan 1 1976 - Sep 29 2026

Hitachi Solutions, Ltd.
82 Patents

#614 in Tokyo

#1,279 in Japan

#9,246 in the World

Tokyo, JP
Tokyo, Japan

Hitachi Solutions, Ltd.

Forward Citations = 173

140 inventors:

goldMedal Yuichi Nakamura (6 out of 50 patents)

silverMedal Yohsuke Ishii (5 out of 48 patents)

bronzeMedal Yasuhiro Kirihata (5 out of 5 patents)

4.  Toshiko Matsumoto (4 out of 7 patents)

5.  Toshio Ishii (4 out of 32 patents)

Please report any incorrect information to [email protected]
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