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Hitachi Systems, Ltd.

USPTO Granted Patents = 36

% Expired Patents = 8.3

EPO Patents = 21

Trademarks = 1

Forward Citations = 42

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82 inventors (with patents filed for the assignee):

Kentarou Oonishi (7 out of 7 patents)

Yoshihito Narita (6 out of 17 patents)

Takayuki Fujiwara (5 out of 13 patents)

4. Shigeru Yamauchi (4 out of 7 patents)

5. Minoru Kaneko (4 out of 7 patents)

6. Mineyuki Tamura (4 out of 4 patents)

7. Shintaro Tsuchiya (3 out of 3 patents)

8. Daisuke Katsumata (3 out of 4 patents)

9. Takeshi Kobayashi (3 out of 12 patents)

10. Kenichi Tabe (3 out of 3 patents)

11. Yutaka Asano (3 out of 3 patents)

12. Katsuro Kikuchi (3 out of 12 patents)

13. Masato Nakamura (2 out of 105 patents)

14. Shinya Iguchi (2 out of 3 patents)

15. Yuji Ogata (2 out of 30 patents)

Core Competencies:

Storage Access Monitoring

Resource Setting

Content Creation

Chat Bot Control

Object Detection

Harmful Behavior Detection

Data Migration

Energy Consumption Management

Photovoltaic Inspection

Single Sign-On

Building Management

Virtual Server Management

36 patents: Sort by Forward Citations

1. 12670254 - Storage access monitoring method and storage access monitoring device (2026-06-30),

2. 12619218 - Use resource setting method and use resource setting device (2026-05-05),

3. 12051340 - Content creation system (2024-07-30),

4. 12021802 - Chat bot control device, chat bot control method, and chat bot control device system (2024-06-25),

5. 11995835 - Pixel-level object detection system and program thereof (2024-05-28),

6. 11875817 - Harmful behavior detecting system and method thereof (2024-01-16),

7. 11817003 - Content presentation system and content presentation method (2023-11-14),

8. 11799804 - Chat bot control device, chat bot control method, and chat bot control device system (2023-10-24),

9. 11422971 - Data migration system and data migration method (2022-08-23),

10. 11367365 - Content presentation system and content presentation method (2022-06-21),

11. 11361417 - Aircraft-utilizing deterioration diagnosis system (2022-06-14),

12. 11310166 - Allocation resource for chat bot based on conversations related or unrelated to service menu (2022-04-19),

13. 11100234 - Work recording apparatus, system, program, and method preventing confidential information leaks (2021-08-24),

14. 11020757 - Rotary atomizing head, rotary atomizing head managing system, and rotary atomizing head managing method (2021-06-01),

15. 10755222 - Work management apparatus, work defect prevention program, and work defect prevention method (2020-08-25),

Hitachi Systems, Ltd. is a prominent provider of IT services and solutions, specializing in systems integration, cloud computing, and cybersecurity. The company focuses on delivering innovative technologies that enhance operational efficiency and drive digital transformation for businesses across various sectors. With a strong presence in Japan and a commitment to leveraging advanced technologies, Hitachi Systems plays a vital role in supporting enterprises in their journey towards modernization and sustainability.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Sep 29 2026

36 Patents

#985 in Tokyo

#2,098 in Japan

#18,697 in the World

Hitachi Systems, Ltd.

Forward Citations = 42

82 inventors:

Kentarou Oonishi (7 out of 7 patents)

Yoshihito Narita (6 out of 17 patents)

Takayuki Fujiwara (5 out of 13 patents)

4. Shigeru Yamauchi (4 out of 7 patents)

5. Minoru Kaneko (4 out of 7 patents)

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