HO

Hisao Otani

SO Sony: 2 patents #12,963 of 25,231Top 55%
TO Toyota: 2 patents #10,861 of 26,838Top 45%
Overall (All Time): #1,271,238 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
6388980 Disc drive Akihiro Miyazaki 2002-05-14
6341115 Disc drive Akihiro Miyazaki 2002-01-22
4382497 Device for cooling a frictional clutch for an automobile Ichio Sakai 1983-05-10
4204720 Clutch release bearing assembly 1980-05-27