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For the Inventor, By the Inventor

Tokyo, Japan

Hitachi Systems, Ltd.

USPTO Granted Patents = 36

% Expired Patents = 8.3


Trademarks = 1

Forward Citations = 42

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82 inventors (with patents filed for the assignee):

goldMedal Kentarou Oonishi (7 out of 7 patents)

silverMedal Yoshihito Narita (6 out of 17 patents)

bronzeMedal 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 13 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 110 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:

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),
Company Overview
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 synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 20 2026

36 Patents

#987 in Tokyo

#2,102 in Japan

#18,745 in the World

Tokyo, JP
Tokyo, Japan

Hitachi Systems, Ltd.

Forward Citations = 42

82 inventors:

goldMedal Kentarou Oonishi (7 out of 7 patents)

silverMedal Yoshihito Narita (6 out of 17 patents)

bronzeMedal Takayuki Fujiwara (5 out of 13 patents)

4.  Shigeru Yamauchi (4 out of 7 patents)

5.  Minoru Kaneko (4 out of 7 patents)

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

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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