Inventor
MATSUMOTO RYOICHI
JP21 patents
⚠️ This page may combine multiple inventors who share the name “MATSUMOTO RYOICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CANON KK
8 patentsUS7077514B2Jul 18, 2006
Liquid container, liquid using apparatus, printing apparatus, and ink jet cartridge
CANON KK71 citations98
US7290861B2Nov 6, 2007
Ink tank, printing head and inkjet printing apparatus
CANON KK30 citations93
US7104640B2Sep 12, 2006
Liquid container, liquid using device, printing apparatus, and method of manufacturing liquid container
CANON KK51 citations93
US7954662B2Jun 7, 2011
Liquid storage container
CANON KK9 citations84
US7784927B2Aug 31, 2010
Ink container and ink jet recording apparatus
CANON KK18 citations84
US7380921B2Jun 3, 2008
Liquid-feeding system
CANON KK9 citations84
US7192111B2Mar 20, 2007
Ink tank with inductance-based residue detection and recording apparatus using the same
CANON KK12 citations84
US7530678B2May 12, 2009
Liquid container and method for manufacturing the same
CANON KK4 citations63
OKI ELECTRIC IND CO LTD
6 patentsUS5654235AAug 5, 1997
Method of manufacturing contact structure using barrier metal
OKI ELECTRIC IND CO LTD74 citations94
US5179036AJan 12, 1993
Process for fabricating Bi-CMOS integrated circuit
OKI ELECTRIC IND CO LTD29 citations92
US5128280AJul 7, 1992
Fabrication process for wafer alignment marks by using peripheral etching to form grooves
OKI ELECTRIC IND CO LTD22 citations92
US5106432AApr 21, 1992
Wafer alignment mark utilizing parallel grooves and process
OKI ELECTRIC IND CO LTD26 citations92
US5920122AJul 6, 1999
Contact structure using barrier metal and method of manufacturing the same
OKI ELECTRIC IND CO LTD36 citations91
US7066390B2Jun 27, 2006
Method for manufacturing semiconductor device
OKI ELECTRIC IND CO LTD0 citations52