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

Junichi Kubokawa — 1 Patent in 2021

Canon: 1 patents #1,677 of 3,943Top 45%
Nagasaki, JP: #8 of 40 inventorsTop 20%
Overall (2021): #387,825 of 548,734Top 75%
1 Patents 2021

Issued Patents 2021

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
11167556 Ink tank and ink jet printing apparatus Koki Shimada, Hideaki Matsumura, Masaya Shimmachi, Yukimichi Kimura, Takahiro Kiuchi +2 more 2021-11-09 $43,000