Inventor
MATSUMOTO SHUZO
JP17 patents
⚠️ This page may combine multiple inventors who share the name “MATSUMOTO SHUZO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
RICOH KK
7 patentsUS5818482AOct 6, 1998
Ink jet printing head
RICOH KK134 citations96
US4673955AJun 16, 1987
Ink receptacle for ink jet printer
RICOH KK87 citations96
US4586058AApr 29, 1986
Ink jet printing apparatus
RICOH KK57 citations96
US6331052B1Dec 18, 2001
Ink jet printing apparatus
RICOH KK70 citations94
US6729716B2May 4, 2004
Liquid drop jet head and ink jet recording apparatus
RICOH KK26 citations92
US6352333B2Mar 5, 2002
Method and apparatus for preventing nozzle clogging in ink jet printing apparatus
RICOH KK32 citations88
US4559544ADec 17, 1985
Multi-nozzle head for ink on-demand type ink jet printer
RICOH KK13 citations74
HITACHI LTD
5 patentsUS6840448B2Jan 11, 2005
Portable information processing apparatus
HITACHI LTD30 citations92
US4246560AJan 20, 1981
Self-converging deflection yoke
HITACHI LTD31 citations91
US4782246ANov 1, 1988
Phase shift circuit for electrical signal
HITACHI LTD15 citations72
US4748422AMay 31, 1988
Amplifier circuit suitable for use as an active filter circuit
HITACHI LTD9 citations72
US4096462AJun 20, 1978
Deflection yoke device for use in color television receiver sets
HITACHI LTD5 citations60