Assignee
PENTEL KK
JP·247 granted patents·1 pending application·5,503 citations·filing 1973–2022
Top patents by PatentIndex Score
248 records- 0199USD259792SMarking pen or similar articlePENTEL KK·Filed 1978·Granted Jul 7, 1981·71 cites·1 claims
- 0298USD261010SPen or similar articlePENTEL KK·Filed 1979·Granted Sep 29, 1981·48 cites·1 claims
- 0398USD253060SBall point pen or similar articlePENTEL KK·Filed 1978·Granted Oct 2, 1979·60 cites·1 claims
- 0497USD314978SWriting instrumentPENTEL KK·Filed 1987·Granted Feb 26, 1991·61 cites·1 claims
- 0597USD310684SPen cap or similar articlePENTEL KK·Filed 1986·Granted Sep 18, 1990·55 cites·1 claims
- 0697USD258219SAutomatic pencil or similar articlePENTEL KK·Filed 1979·Granted Feb 10, 1981·52 cites·1 claims
- 0796USD499139SBall point penPENTEL KK·Filed 2003·Granted Nov 30, 2004·72 cites·1 claims
- 0896USD269189SMechanical pencil or similar articlePENTEL KK·Filed 1981·Granted May 31, 1983·74 cites·1 claims
- 0995US5595626ATape dispenserPENTEL KK·Filed 1994·Granted Jan 21, 1997·79 cites·37 claims
- 1095USD270843SLiquid ink ball penPENTEL KK·Filed 1981·Granted Oct 4, 1983·38 cites·1 claims
- 1195USD258217SMechanical pencil or similar articlePENTEL KK·Filed 1979·Granted Feb 10, 1981·44 cites·1 claims
- 1294USD317625SPen cap or similar articlePENTEL KK·Filed 1990·Granted Jun 18, 1991·48 cites·1 claims
- 1394US4624594AFluid dispenserPENTEL KK·Filed 1984·Granted Nov 25, 1986·83 cites·11 claims
- 1493USD421625SBall point penPENTEL KK·Filed 1999·Granted Mar 14, 2000·46 cites·1 claims
- 1593USD386526SHolder for a rubber eraserPENTEL KK·Filed 1995·Granted Nov 18, 1997·48 cites·1 claims
- 1693USD329253SCorrection penPENTEL KK·Filed 1990·Granted Sep 8, 1992·85 cites·1 claims
- 1793USD325931SWriting instrumentPENTEL KK·Filed 1989·Granted May 5, 1992·68 cites·1 claims
- 1893USD312837SWriting instrumentPENTEL KK·Filed 1987·Granted Dec 11, 1990·37 cites·1 claims
- 1993USD309633SBall-point pen or similar articlePENTEL KK·Filed 1987·Granted Jul 31, 1990·36 cites·1 claims
- 2092USD562895SBallpoint penPENTEL KK·Filed 2005·Granted Feb 26, 2008·48 cites·1 claims
- 2192US4557618AInk and eraser of the inkPENTEL KK·Filed 1982·Granted Dec 10, 1985·120 cites·22 claims
- 2291USD279993SMechanical pencil or similar articlePENTEL KK·Filed 1983·Granted Aug 6, 1985·28 cites·1 claims
- 2390USD444499SMechanical pencilPENTEL KK·Filed 2000·Granted Jul 3, 2001·43 cites·1 claims
- 2490USD416940SMarking penPENTEL KK·Filed 1997·Granted Nov 23, 1999·37 cites·1 claims
- 2590US5528002ANoiseproof digitizing apparatus with low power cordless penPENTEL KK·Filed 1994·Granted Jun 18, 1996·219 cites·24 claims
- 2690USD325221SCap for a writing instrumentPENTEL KK·Filed 1989·Granted Apr 7, 1992·30 cites·1 claims
- 2790USD305551SPen cap or similar articlePENTEL KK·Filed 1987·Granted Jan 16, 1990·29 cites·1 claims
- 2889US5558452AHolder tube for writing instrumentPENTEL KK·Filed 1993·Granted Sep 24, 1996·64 cites·31 claims
- 2989USD338038SBall point penPENTEL KK·Filed 1992·Granted Aug 3, 1993·51 cites·1 claims
- 3089USD316726SBall point penPENTEL KK·Filed 1988·Granted May 7, 1991·28 cites·1 claims
- 3189USD263318SPen or similar articlePENTEL KK·Filed 1980·Granted Mar 9, 1982·25 cites·1 claims
- 3289US3974332ATablet for use in a coordinate digitizerPENTEL KK·Filed 1975·Granted Aug 10, 1976·100 cites·4 claims
- 3388USD587752SBallpoint penPENTEL KK·Filed 2008·Granted Mar 3, 2009·37 cites·1 claims
- 3488USD364424SWriting instrumentPENTEL KK·Filed 1994·Granted Nov 21, 1995·30 cites·1 claims
- 3588USD351417SCap for a writing instrumentPENTEL KK·Filed 1992·Granted Oct 11, 1994·30 cites·1 claims
- 3688US4795063AFluid discharging devicePENTEL KK·Filed 1986·Granted Jan 3, 1989·89 cites·9 claims
- 3788USD258218SBall point pen or similar articlePENTEL KK·Filed 1979·Granted Feb 10, 1981·20 cites·1 claims
- 3887USD506504SBall point penPENTEL KK·Filed 2004·Granted Jun 21, 2005·41 cites·1 claims
- 3987USD499137SMarking penPENTEL KK·Filed 2003·Granted Nov 30, 2004·33 cites·1 claims
- 4087USD428441SCorrection penPENTEL KK·Filed 1999·Granted Jul 18, 2000·32 cites·1 claims
- 4187USD404763SMechanical pencilPENTEL KK·Filed 1998·Granted Jan 26, 1999·32 cites·1 claims
- 4287US4263592AInput pen assemblyPENTEL KK·Filed 1979·Granted Apr 21, 1981·71 cites·7 claims
- 4387US4194083ACapacitively coupled tabletPENTEL KK·Filed 1978·Granted Mar 18, 1980·60 cites·11 claims
- 4485USD549779SGrip for a writing instrumentPENTEL KK·Filed 2006·Granted Aug 28, 2007·33 cites·1 claims
- 4585USD451960SCorrection tape holderPENTEL KK·Filed 2001·Granted Dec 11, 2001·30 cites·1 claims
- 4685USD358844SCap for a writing instrumentPENTEL KK·Filed 1993·Granted May 30, 1995·26 cites·1 claims
- 4784USD420389SCorrection tape holderPENTEL KK·Filed 1998·Granted Feb 8, 2000·27 cites·1 claims
- 4884USD338686SCap for a writing instrumentPENTEL KK·Filed 1992·Granted Aug 24, 1993·24 cites·1 claims
- 4984USD258565SDispensing container for liquid adhesive or the likePENTEL KK·Filed 1978·Granted Mar 17, 1981·18 cites·1 claims
- 5083USD506780SBall point penPENTEL KK·Filed 2003·Granted Jun 28, 2005·27 cites·1 claims
Showing the top 50 of 248 patent records by PatentIndex Score.
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