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.
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →