Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
HT

Hiroki Tajima — 3 Patents in 2021

Canon: 2 patents #818 of 3,943Top 25%
KMKonica Minolta: 1 patents #90 of 437Top 25%
Yokohama, JP: #80 of 237 inventorsTop 35%
Overall (2021): #81,027 of 548,734Top 15%
3 Patents 2021

Issued Patents 2021

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
11192370 Liquid ejection head Naoko Shimizu, Yosuke Takagi, Shimpei Yoshikawa, Kyosuke Toda 2021-12-07
11192381 Liquid ejection apparatus and liquid filling method Keiichiro Tsukuda, Kenji Yabe, Yuji Tamaru, Naoko Shimizu, Kyosuke Toda +4 more 2021-12-07
11172083 Integrated workflow execution control that switches display to first screen or second screen based on determination criterion 2021-11-09