KO

Katsuya Okayama

AC Advics Co.: 3 patents #181 of 686Top 30%
Sumitomo Electric Industries: 1 patents #13,249 of 21,551Top 65%
📍 Itami, JP: #606 of 1,436 inventorsTop 45%
Overall (All Time): #1,157,992 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
11073187 Brake pad and under-layer material composition Shusuke Suzuki, Masato Nishioka 2021-07-27
7357228 Disk brakes with noise suppression feature Hiroyuki Fujikawa 2008-04-15
7264094 Friction pair 2007-09-04
6620860 Friction material Yukinori Yamashita, Hiroyuki Fujikawa 2003-09-16