Inventor
YONEKURA SEIJI
JP19 patents
Patents
19 patentsUS4386398AMay 31, 1983
Automatic door control apparatus
HITACHI LTD64 citations96
US4365250ADec 21, 1982
Garage door operation control apparatus
HITACHI LTD63 citations95
US4328540AMay 4, 1982
Door operation control apparatus
HITACHI LTD86 citations95
US6776844B2Aug 17, 2004
Organic EL display and production device of color filter
HITACHI LTD26 citations92
US6443560B1Sep 3, 2002
Recording head and inkjet recording device having separately arranged ink chambers and ink discharge unit
HITACHI LTD37 citations92
US4383206AMay 10, 1983
Door operation control apparatus
HITACHI LTD50 citations92
US4344252AAug 17, 1982
Garage door operation control apparatus
HITACHI LTD35 citations92
US6328426B1Dec 11, 2001
Printer device
HITACHI LTD21 citations91
US6286938B1Sep 11, 2001
Ink jet recording head and ink jet recording apparatus
HITACHI LTD20 citations91
US4740817AApr 26, 1988
Picture recording apparatus
HITACHI LTD43 citations91
US4311225AJan 19, 1982
Device for driving driven member by roller chain
HITACHI LTD42 citations90
US6604816B1Aug 12, 2003
Ink-jet recording head and ink-jet recorder
HITACHI LTD18 citations83
US4549092AOct 22, 1985
Control system for illumination lamp installed in building equipped with door operation control apparatus
HITACHI LTD24 citations82
US4393342AJul 12, 1983
Door operation control apparatus
HITACHI LTD26 citations82
US4922272AMay 1, 1990
High precision image recording apparatus
HITACHI LTD7 citations73
US4405923ASep 20, 1983
Garage door control system
HITACHI LTD17 citations71
US6849128B2Feb 1, 2005
Organic EL display and production device of color filter cross reference to related application
HITACHI LTD5 citations62
US6557981B1May 6, 2003
Ink jet recorder
HITACHI LTD4 citations62
US6412916B1Jul 2, 2002
Ink jet printer
HITACHI LTD5 citations62