Inventor
IMAI RYOICHI
JP13 patents
⚠️ This page may combine multiple inventors who share the name “IMAI RYOICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
RISO KAGAKU CORP
8 patentsUS6326990B1Dec 4, 2001
Thick film thermal head and method of manufacturing the same
RISO KAGAKU CORP9 citations72
US6315395B1Nov 13, 2001
Ink jet apparatus and conductive ink mixture
RISO KAGAKU CORP7 citations72
US5713275AFeb 3, 1998
Stencil printing machine
RISO KAGAKU CORP11 citations72
US6525755B1Feb 25, 2003
Thick film thermal head
RISO KAGAKU CORP8 citations71
US6400388B1Jun 4, 2002
Thick film thermal head and method of making the same
RISO KAGAKU CORP5 citations61
US6215510B1Apr 10, 2001
Thick film type thermal head
RISO KAGAKU CORP2 citations61
US6219080B1Apr 17, 2001
Thick film thermal head
RISO KAGAKU CORP0 citations51
US6330015B1Dec 11, 2001
Thick film thermal head
RISO KAGAKU CORP1 citations50
CANON KK
4 patentsUS5159692AOct 27, 1992
Image file system with multiple control image transfer between first and second filing system storage
CANON KK10 citations73
US4762985AAug 9, 1988
Auto-focus apparatus applied to image reading apparatus and the like
CANON KK14 citations73
US5137347AAug 11, 1992
Information retrieval apparatus
CANON KK12 citations72
US4825065AApr 25, 1989
Apparatus for reading image recorded on film
CANON KK14 citations72