AY

Akihiko Yamamura

Sumitomo Electric Industries: 2 patents #9,741 of 21,551Top 50%
PA Panasonic: 1 patents #13,264 of 21,108Top 65%
Samsung: 1 patents #49,284 of 75,807Top 70%
📍 Kasai, JP: #1,836 of 5,842 inventorsTop 35%
Overall (All Time): #1,233,209 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
8189253 Shutter device and drive method Mamoru Nomoto, Shinya Sannohe 2012-05-29
5705758 Non-magnetic or feebly magnetic diamond sintered compact and a process for the productin of the same Takayoshi Wakabayashi 1998-01-06
5034831 Magnetic recording and reproducing apparatus having cassette discriminating means Chikanori Miyawaki, Hideki Sakumoto 1991-07-23
4861673 Composite sintered material having sandwich structure Akio Hara 1989-08-29