% Expired Patents = 100.0

EPO Patents = 4

Forward Citations = 4

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2 inventors (with patents filed for the assignee):

Masaru Umeda (1 out of 38 patents)

Masayuki Toda (1 out of 30 patents)

Masaki Kusuhara (19 patents)

4. Mitsuru Fukagawa (7 patents)

5. Toda Masayuki (1 patent)

6. Masaru c/o Kabushiki Kaisha Watanabe Shoko Umeda (0 patent)

7. Masaki c/o Kabushiki Kaisha Watanabe Shoko Kusuhara (0 patent)

8. Mitsuru c/o Wacom Electric Co Ltd Fukagawa (0 patent)

1 patent: Sort by Forward Citations

#6 in Yonezawa

#15,745 in Japan

Toda, Masayuki

Forward Citations = 4

2 inventors:

Masaru Umeda (1 out of 38 patents)

Masayuki Toda (1 out of 30 patents)

Masaki Kusuhara (19 patents)

4. Mitsuru Fukagawa (7 patents)

5. Toda Masayuki (1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Toda, Masayuki. Retrieved from https://idiyas.com/company/toda-masayuki

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]

4 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]