% Expired Patents = 16.7

EPO Patents = 8

Forward Citations = 28

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3 inventors (with patents filed for the assignee):

Hiroyuki Yamada (15 out of 71 patents)

Takahiro Watanabe (3 out of 120 patents)

Yohei Tsutsumi (1 out of 1 patent)

4. Takahiro Watanabe (11 patents)

18 patents: Sort by Forward Citations

1. 11151157 - Database management method (2021-10-19),

2. 10860580 - Information processing device, method, and medium (2020-12-08),

3. 10579604 - Database system, information processing device, method and medium (2020-03-03),

4. 10572503 - Database system, information processing device, method and medium (2020-02-25),

5. 10437812 - Information processing method, information processing device, and medium (2019-10-08),

6. 10102263 - Database management method (2018-10-16),

7. 9956431 - Ultrasonic oscillator (2018-05-01),

8. 9762535 - Information processing apparatus, system, method and medium (2017-09-12),

9. 9571299 - Method for managing tree structure, information processing system, and medium (2017-02-14),

10. 9483091 - System, information processing device and rack (2016-11-01),

11. 9251195 - Method of managing database (2016-02-02),

12. 8892535 - Database management method (2014-11-18),

13. 8812468 - Database management method (2014-08-19),

14. 8793234 - Database management method (2014-07-29),

15. 8793233 - Database management method (2014-07-29),

Company Overview

Murakumo Corporation, based in Tokyo, specializes in advanced technology solutions, focusing on the development and manufacturing of innovative systems and products. The company is recognized for its expertise in fields such as information technology, automation, and robotics, catering to a diverse range of industries. With a commitment to research and development, Murakumo aims to enhance operational efficiency and drive technological advancement, positioning itself as a key player in the evolving landscape of modern technology.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

18 Patents

#1,413 in Tokyo

#3,123 in Japan

#34,217 in the World

Tokyo, Japan

Murakumo Corporation

Forward Citations = 28

3 inventors:

Hiroyuki Yamada (15 out of 71 patents)

Takahiro Watanabe (3 out of 120 patents)

Yohei Tsutsumi (1 out of 1 patent)

4. Takahiro Watanabe (11 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Murakumo Corporation. Retrieved from https://idiyas.com/company/murakumo

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]

8 patents (EPO):

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]