Inventor
YASUNAGA MAKOTO
JP28 patents
⚠️ This page may combine multiple inventors who share the name “YASUNAGA MAKOTO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CITIZEN WATCH CO LTD
23 patentsUS4674896AJun 23, 1987
Printing mechanism for an impact matrix printer
CITIZEN WATCH CO LTD41 citations88
US4540295ASep 10, 1985
Method for controlling the temperature of the printing head of an impact printer
CITIZEN WATCH CO LTD39 citations86
US6402285B1Jun 11, 2002
Method of subjecting ink jet printer to preuse treatment
CITIZEN WATCH CO LTD18 citations82
US4484519ANov 27, 1984
Stylus driving apparatus for printers
CITIZEN WATCH CO LTD7 citations73
US4386861AJun 7, 1983
Dot matrix impact printer
CITIZEN WATCH CO LTD14 citations73
US5370467ADec 6, 1994
Print head for dot matrix printer
CITIZEN WATCH CO LTD13 citations72
US4687355AAug 18, 1987
Printing head for use in dot printers
CITIZEN WATCH CO LTD8 citations70
US4647236AMar 3, 1987
Print head
CITIZEN WATCH CO LTD5 citations63
US4302115ANov 24, 1981
System for driving print wires for printers
CITIZEN WATCH CO LTD5 citations63
US5039236AAug 13, 1991
Print head with tapered conical return spring
CITIZEN WATCH CO LTD2 citations62
US5013169AMay 7, 1991
Print head having reduced noise and vibration characteristics
CITIZEN WATCH CO LTD5 citations62
US4921364AMay 1, 1990
Dot matrix print head having easily removable magnets
CITIZEN WATCH CO LTD4 citations62
US4610553ASep 9, 1986
Leaf spring unit for a dot matrix printer
CITIZEN WATCH CO LTD2 citations61
USD281077SOct 22, 1985
Core block for printing head
CITIZEN WATCH CO LTD2 citations61
US4230039AOct 28, 1980
Drum printer with helically arranged type sets
CITIZEN WATCH CO LTD6 citations61
US4509421AApr 9, 1985
Printer head for a dot line printer
CITIZEN WATCH CO LTD5 citations57
US5524991AJun 11, 1996
Printing head having a armature backstop
CITIZEN WATCH CO LTD0 citations51
US5375935ADec 27, 1994
Printing head having backstop structure
CITIZEN WATCH CO LTD0 citations51
US5102245AApr 7, 1992
Print head
CITIZEN WATCH CO LTD1 citations51
USD281076SOct 22, 1985
Printing hammer for dot printer
CITIZEN WATCH CO LTD0 citations51
US5257868ANov 2, 1993
Printer head for printer
CITIZEN WATCH CO LTD1 citations50
US5215389AJun 1, 1993
Print head for a dot matrix printer
CITIZEN WATCH CO LTD0 citations41
US5133613AJul 28, 1992
Printing head using staggered arrangement needles
CITIZEN WATCH CO LTD0 citations40
CITIZEN HOLDINGS CO LTD
3 patentsUS7349003B2Mar 25, 2008
Method for determining a correction value for light-emitting parts in exposure apparatus
CITIZEN HOLDINGS CO LTD4 citations61
US7616225B2Nov 10, 2009
Exposure system and production method for exposure system
CITIZEN HOLDINGS CO LTD0 citations51
US7271798B2Sep 18, 2007
Liquid crystal exposure device
CITIZEN HOLDINGS CO LTD0 citations41