Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
AT

Akiyo Tsujimura — 1 Patent

Casio Computer Co.: 1 patents #1,284 of 1,970Top 70%
Ome, JP: #348 of 522 inventorsTop 70%
Overall (All Time): #2,406,284 of 4,157,543Top 60%
1 Patents All Time
Akiyo Tsujimura has been granted 1 US patent while listed as an inventor at Casio Computer Co.. All of these patents were granted in 2002. Akiyo Tsujimura ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Akiyo Tsujimura in Ome, JP.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6349315 Document output apparatus Yuji Sonoyama, Masao Konishi, Ryoichi Miyagawa, Masayo Nakamura, Kazuyasu Haraguchi 2002-02-19