IY

Izumi Yamaguchi

NC Nagaoka Co.: 2 patents #11 of 39Top 30%
KA Kaneka: 1 patents #886 of 1,525Top 60%
Overall (All Time): #1,619,236 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6486289 Curable composition Masayuki Fujita, Hiroshi Iwakiri 2002-11-26
4574418 Disk cleaning mat 1986-03-11
4514908 Level with two guide frames and ball in each 1985-05-07