Inventor
SUGAYA KENGO
JP4 patents
⚠️ This page may combine multiple inventors who share the name “SUGAYA KENGO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
RISO KAGAKU CORP
3 patentsUS6281921B1Aug 28, 2001
Method for treating the surface of thermal printing heads
RISO KAGAKU CORP11 citations69
US5501146AMar 26, 1996
Cylindrical drum assembly including a stencil sheet for use with a stencil printing machine
RISO KAGAKU CORP2 citations53
US6411319B1Jun 25, 2002
Thermal head, surface-treating method therefor and surface-treating agent therefor
RISO KAGAKU CORP1 citations48