MK

Masanobu Katsumura

Sumitomo Electric Industries: 3 patents #7,735 of 21,551Top 40%
Overall (All Time): #1,616,345 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6394344 Card reader Takanori Muranaka, Kazutaka Sakamoto, Shigeki Maeda, Makoto Yonemura, Hidekazu Hata 2002-05-28
6011570 Rewritable medium recording apparatus Takanori Muranaka, Hitoshi Shimaoka 2000-01-04
5894120 Card reader with pivoting casing Shinji Arase, Tsutomu Harada 1999-04-13