SK

Sumihiko Kawashima

TK Toyo Boseki Kabushiki Kaisha: 3 patents #234 of 1,085Top 25%
📍 Toyohashi, JP: #385 of 1,141 inventorsTop 35%
Overall (All Time): #1,645,788 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5481376 Method and apparatus for improving image quality 1996-01-02
5296940 Image processing method and apparatus for converting gray-scale images into binary images 1994-03-22
4932242 Capillary type viscosimeter Zenichiro Shirahama, Hidekazu Nakano 1990-06-12