Assignee
PENTEL KK
JP247 patents
Top patents by PatentIndex Score
USD499139SNov 30, 2004
Ball point pen
PENTEL KK72 citations98
USD562895SFeb 26, 2008
Ballpoint pen
PENTEL KK48 citations96
USD386526SNov 18, 1997
Holder for a rubber eraser
PENTEL KK48 citations96
USD317625SJun 18, 1991
Pen cap or similar article
PENTEL KK48 citations96
USD314978SFeb 26, 1991
Writing instrument
PENTEL KK61 citations96
USD310684SSep 18, 1990
Pen cap or similar article
PENTEL KK55 citations96
US4624594ANov 25, 1986
Fluid dispenser
PENTEL KK83 citations96
USD261010SSep 29, 1981
Pen or similar article
PENTEL KK48 citations96
USD259792SJul 7, 1981
Marking pen or similar article
PENTEL KK71 citations96
USD258219SFeb 10, 1981
Automatic pencil or similar article
PENTEL KK52 citations96
US4194083AMar 18, 1980
Capacitively coupled tablet
PENTEL KK60 citations96
USD253060SOct 2, 1979
Ball point pen or similar article
PENTEL KK60 citations96
US5595626AJan 21, 1997
Tape dispenser
PENTEL KK79 citations95
US5558452ASep 24, 1996
Holder tube for writing instrument
PENTEL KK64 citations95
US5528002AJun 18, 1996
Noiseproof digitizing apparatus with low power cordless pen
PENTEL KK219 citations95
US6400359B1Jun 4, 2002
Apparatus for detecting an approaching conductor, or an approach point of a conductor and an electrostatic capacity type touch panel apparatus
PENTEL KK130 citations94
US6373474B1Apr 16, 2002
Real contact type touch panel apparatus
PENTEL KK94 citations94
USD269189SMay 31, 1983
Mechanical pencil or similar article
PENTEL KK74 citations94
USD710447SAug 5, 2014
Ballpoint pen
PENTEL KK17 citations93
USD629461SDec 21, 2010
Ballpoint pen
PENTEL KK19 citations93
USD620524SJul 27, 2010
Ballpoint pen
PENTEL KK25 citations93
USD608392SJan 19, 2010
Ballpoint pen
PENTEL KK22 citations93
USD584357SJan 6, 2009
Cap for a writing instrument
PENTEL KK17 citations93
USD510599SOct 11, 2005
Cap for writing instrument
PENTEL KK22 citations93
USD499137SNov 30, 2004
Marking pen
PENTEL KK33 citations93
USD458966SJun 18, 2002
Ballpoint pen cap
PENTEL KK26 citations93
USD444175SJun 26, 2001
Correction pen
PENTEL KK23 citations93
USD421625SMar 14, 2000
Ball point pen
PENTEL KK46 citations93
USD416940SNov 23, 1999
Marking pen
PENTEL KK37 citations93
US5749663AMay 12, 1998
Multiplex writing instrument
PENTEL KK28 citations93
USD363310SOct 17, 1995
Shaft for a writing instrument
PENTEL KK20 citations93
USD358844SMay 30, 1995
Cap for a writing instrument
PENTEL KK26 citations93
USD351417SOct 11, 1994
Cap for a writing instrument
PENTEL KK30 citations93
USD338686SAug 24, 1993
Cap for a writing instrument
PENTEL KK24 citations93
USD325221SApr 7, 1992
Cap for a writing instrument
PENTEL KK30 citations93
USD316726SMay 7, 1991
Ball point pen
PENTEL KK28 citations93
USD312837SDec 11, 1990
Writing instrument
PENTEL KK37 citations93
USD309633SJul 31, 1990
Ball-point pen or similar article
PENTEL KK36 citations93
USD305551SJan 16, 1990
Pen cap or similar article
PENTEL KK29 citations93
US4826339AMay 2, 1989
Dispenser having a flexible nib, slidable sleeve and cap
PENTEL KK44 citations93
US4822417AApr 18, 1989
Marking ink composition
PENTEL KK26 citations93
USD279993SAug 6, 1985
Mechanical pencil or similar article
PENTEL KK28 citations93
US4500220AFeb 19, 1985
Mechanical pencil with removable lead feed cover
PENTEL KK35 citations93
USD270843SOct 4, 1983
Liquid ink ball pen
PENTEL KK38 citations93
US4263592AApr 21, 1981
Input pen assembly
PENTEL KK71 citations93
USD630247SJan 4, 2011
Mechanical pencil
PENTEL KK23 citations92
USD611535SMar 9, 2010
Mechanical pencil
PENTEL KK24 citations92
USD587752SMar 3, 2009
Ballpoint pen
PENTEL KK37 citations92
USD549779SAug 28, 2007
Grip for a writing instrument
PENTEL KK33 citations92
USD548280SAug 7, 2007
Ballpoint pen
PENTEL KK17 citations92
Showing the top 50 of 247 patents by PatentIndex Score.