TO

Taro Ohmura

SO Sony: 4 patents #8,966 of 25,231Top 40%
📍 Rifu, JP: #689 of 2,101 inventorsTop 35%
Overall (All Time): #1,281,042 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
6136410 Magnetic recording medium Kazuhiro Okamoto, Takao Kudo, Yuichi Sasaki 2000-10-24
5945156 Method of manufacturing magnetic recording medium Yoshihiro Shimizu, Jun Hashimoto 1999-08-31
5786093 Magnetic recording medium having a backcoat composition with low chloride ion and sulfate ion extractables Hiroji Naruse, Taketoshi Sato 1998-07-28
5702757 Process for producing magnetic recording medium 1997-12-30