SM

Shinichi Matsumura

SO Sony: 3 patents #132 of 2,039Top 7%
Overall (2005): #16,926 of 245,428Top 7%
3
Patents 2005

Issued Patents 2005

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6942156 Noncontact IC card Eiji Ohta, Norihiko Yamazaki 2005-09-13
6853280 Method of magnetizing magnetic sheet and magnetization apparatus Toshiaki Sugawara, Kazuto Kawamata, Eiji Ohta 2005-02-08
6848622 Plastic card Takao Kudo, Satoko Asaoka 2005-02-01