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

Kazumi Ishi — 1 Patent

KOKonica: 1 patents #1,290 of 1,958Top 70%
Hachioji, JP: #2,078 of 2,869 inventorsTop 75%
Overall (All Time): #2,406,284 of 4,157,543Top 60%
1 Patents All Time
Kazumi Ishi has been granted 1 US patent while listed as an inventor at Konica. All of these patents were granted in 1992. Kazumi Ishi ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Kazumi Ishi in Hachioji, JP.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5162851 Braking system for image formation apparatus Minoru Asakawa, Haruo Itakura, Utami Soma, Yasufumi Koseki, Hisao Sato 1992-11-10