KU

Kenichi Umekita

PC Purex Co.: 1 patents #23 of 65Top 40%
WI Wako Pure Chemical Industries: 1 patents #164 of 377Top 45%
📍 Kawagoe, JP: #807 of 1,278 inventorsTop 65%
Overall (All Time): #3,791,824 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5290361 Surface treating cleaning method Ichiro Hayashida, Masahiko Kakizawa, Hiroyoshi Nawa, Hisashi Muraoka 1994-03-01