Inventor
MATSUZAWA MASANAO
JP26 patents
⚠️ This page may combine multiple inventors who share the name “MATSUZAWA MASANAO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SEIKO EPSON CORP
22 patentsUS6176629B1Jan 23, 2001
Ink supply tank for a printer
SEIKO EPSON CORP24 citations96
US5622439AApr 22, 1997
Ink-supply tank for a dot matrix printer
SEIKO EPSON CORP26 citations96
US5615957AApr 1, 1997
Ink-supply tank for a dot matrix printer
SEIKO EPSON CORP28 citations96
US5607242AMar 4, 1997
Ink-supply tank for a printer
SEIKO EPSON CORP23 citations96
US5603577AFeb 18, 1997
Ink supply tank for a printer
SEIKO EPSON CORP29 citations96
US5560720AOct 1, 1996
Ink-supply tank for a dot matrix printer
SEIKO EPSON CORP29 citations96
US5421658AJun 6, 1995
Ink supply mechanism for a dot matrix printer
SEIKO EPSON CORP57 citations96
US5328279AJul 12, 1994
Dot matrix printer head
SEIKO EPSON CORP52 citations96
US5174665ADec 29, 1992
Ink-supply system for a dot matrix printer
SEIKO EPSON CORP54 citations96
US5158377AOct 27, 1992
Ink-supply system for a dot matrix printer
SEIKO EPSON CORP54 citations96
US5156472AOct 20, 1992
Dot matrix printer supply system having ink absorbing member filled under reduced pressure
SEIKO EPSON CORP74 citations96
US5156471AOct 20, 1992
Ink-supplied wire dot matrix printer head
SEIKO EPSON CORP50 citations96
US5156473AOct 20, 1992
Multi-color cartridge ink-supply system for a dot matrix printer
SEIKO EPSON CORP59 citations96
US4969759ANov 13, 1990
Ink-supplied wire dot matrix printer head
SEIKO EPSON CORP74 citations96
US5072240ADec 10, 1991
On-demand type ink jet print head
SEIKO EPSON CORP74 citations95
US4962391AOct 9, 1990
Ink jet printer head
SEIKO EPSON CORP82 citations95
US5156470AOct 20, 1992
Two cartridge ink-supply system for a multi-color dot matrix printer
SEIKO EPSON CORP52 citations93
US5453770ASep 26, 1995
On-demand type ink jet print head
SEIKO EPSON CORP36 citations92
US6224275B1May 1, 2001
Ink-supply tank for a printer
SEIKO EPSON CORP8 citations82
US6123469ASep 26, 2000
Ink-supply wire dot matrix printer head
SEIKO EPSON CORP14 citations82
US6231248B1May 15, 2001
Ink supply tank for a printer
SEIKO EPSON CORP6 citations74
US4610554ASep 9, 1986
Ink composition and wire dot printer including same
SEIKO EPSON CORP18 citations74