OI

Osamu Imamura

HI Hitachi: 1 patents #17,742 of 28,497Top 65%
Ngk Spark Plug Co.: 1 patents #959 of 1,594Top 65%
📍 Yokohama, JP: #469 of 480 inventorsTop 100%
Overall (All Time): #2,266,750 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5852234 Knocking detecting sensor Nobuhiro Inoue, Sadamitsu Harada 1998-12-22
4302833 Automatic record size detector Hiromichi Tanaka, Akihiro Asada 1981-11-24