Ritsumeikan University

Calculating rank

USPTO Granted Patents = 2

Forward Citations = 35

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7 inventors (with patents filed for the assignee):

Masaaki Makikawa (1 out of 4 patents)

Tsuyoshi Moriya (1 out of 102 patents)

Takahiro Araki (1 out of 3 patents)

4. Toshiyuki Matsumoto (1 out of 34 patents)

5. Yuko Yanagisawa (1 out of 1 patent)

6. Naoki Ikeuchi (1 out of 13 patents)

7. Takaya Miyano (1 out of 6 patents)

2 patents: Sort by Forward Citations

1. 8495765 - Sock (2013-07-30),

2. 8082124 - Method and system for diagnosing abnormal plasma discharge (2011-12-20),

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USPTO Data Jan 1 1976 - Oct 27 2026

2 Patents

#47 in Shiga

#11,143 in Japan

Shiga, Japan

Ritsumeikan University

Forward Citations = 35

7 inventors:

Masaaki Makikawa (1 out of 4 patents)

Tsuyoshi Moriya (1 out of 102 patents)

Takahiro Araki (1 out of 3 patents)

4. Toshiyuki Matsumoto (1 out of 34 patents)

5. Yuko Yanagisawa (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Ritsumeikan University. Retrieved from https://idiyas.com/company/ritsumeikan-university

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]