Inventor · disambiguated record
Tadashi Keda
Also filed as: KEDA TADASHI
37 granted patents·2 pending applications·761 citations·filing 1999–2019
98Inventor score
Top patents by PatentIndex Score
39 records- 0195USD453187SWriting instrumentKOTOBUKI & CO LTD·Filed 2001·Granted Jan 29, 2002·61 cites·1 claims
- 0295USD452274SWriting instrumentKOTOBUKI & CO LTD·Filed 2001·Granted Dec 18, 2001·52 cites·1 claims
- 0393USD418871SWriting instrumentKOTOBUKI & CO LTD·Filed 1999·Granted Jan 11, 2000·46 cites·1 claims
- 0492US8970560B2Writing instrumentKOTOBUKI & CO LTD·Filed 2013·Granted Mar 3, 2015·8 cites·20 claims
- 0591USD487773SWriting instrumentKOTOBUKI & CO LTD·Filed 2003·Granted Mar 23, 2004·43 cites·1 claims
- 0691USD460485SKnock-type painting implementKOTOBUKI & CO LTD·Filed 2001·Granted Jul 16, 2002·45 cites·1 claims
- 0791USD450347SWriting instrumentKOTOBUKI & CO LTD·Filed 2001·Granted Nov 13, 2001·38 cites·1 claims
- 0891USD445131SWriting instrumentKOTOBUKI & CO LTD·Filed 2000·Granted Jul 17, 2001·44 cites·1 claims
- 0991US6206595B1Writing utensilKOTOBUKI & CO LTD·Filed 1999·Granted Mar 27, 2001·41 cites·60 claims
- 1090USD463822SWriting instrumentKOTOBUKI & CO LTD·Filed 2001·Granted Oct 1, 2002·40 cites·1 claims
- 1190USD460112SWriting instrumentKOTOBUKI & CO LTD·Filed 2001·Granted Jul 9, 2002·41 cites·1 claims
- 1287USD500519SWriting instrumentKOTOBUKI & CO LTD·Filed 2004·Granted Jan 4, 2005·33 cites·1 claims
- 1385USD430212SCap for a writing instrumentKOTOBUKI & CO LTD·Filed 2000·Granted Aug 29, 2000·31 cites·1 claims
- 1484USD602089SCap for a writing instrumentKOTOBUKI & CO LTD·Filed 2009·Granted Oct 13, 2009·29 cites·1 claims
- 1583USD487776SWriting instrument capKOTOBUKI & CO LTD·Filed 2003·Granted Mar 23, 2004·27 cites·1 claims
- 1682US6702158B2Knocking-type liquid containerKOTOBUKI & CO LTD·Filed 2001·Granted Mar 9, 2004·23 cites·20 claims
- 1780US7708486B2Airtight cap structureKOTOBUKI & CO LTD·Filed 2005·Granted May 4, 2010·6 cites·5 claims
- 1877USD430609SCap for writing instrumentKOTOBUKI & CO LTD·Filed 2000·Granted Sep 5, 2000·22 cites·1 claims
- 1974US7878726B2Stick-shaped material propelling containerKOTOBUKI & CO LTD·Filed 2006·Granted Feb 1, 2011·3 cites·8 claims
- 2070US7014380B2Composite holding toolKOTOBUKI & CO LTD·Filed 2003·Granted Mar 21, 2006·10 cites·9 claims
- 2169US7137527B2ContainerKOTOBUKI & CO LTD·Filed 2003·Granted Nov 21, 2006·1 cites·15 claims
- 2264USD450768SWriting instrumentKOTOBUKI & CO LTD·Filed 2001·Granted Nov 20, 2001·13 cites·1 claims
- 2363USD495745SCap for writing instrumentKOTOBUKI & CO LTD·Filed 2003·Granted Sep 7, 2004·12 cites·1 claims
- 2463USD488188SWriting instrumentKOTOBUKI & CO LTD·Filed 2003·Granted Apr 6, 2004·12 cites·1 claims
- 2563USD480758SClip of writing instrumentKOTOBUKI & CO LTD·Filed 2002·Granted Oct 14, 2003·12 cites·1 claims
- 2662USD589556SHousing for writing instrument or eraserKOTOBUKI & CO LTD·Filed 2007·Granted Mar 31, 2009·12 cites·1 claims
- 2759USD489407SWriting instrumentKOTOBUKI & CO LTD·Filed 2003·Granted May 4, 2004·10 cites·1 claims
- 2857USD650858SWriting instrumentKEDA TADASHI·Filed 2011·Granted Dec 20, 2011·11 cites·1 claims
- 2956USD487775SWriting instrumentKOTOBUKI & CO LTD·Filed 2003·Granted Mar 23, 2004·9 cites·1 claims
- 3054USD621446SMechanical pencil with a lead tankKOTOBUKI & CO LTD·Filed 2010·Granted Aug 10, 2010·7 cites·1 claims
- 3154US6287036B1Knocking writing utensilKOTOBUKI & CO LTD·Filed 2000·Granted Sep 11, 2001·4 cites·27 claims
- 3252US2019344603A1Mechanical pencilKOTOBUKI & CO LTD·Filed 2019·Application pending·0 cites
- 3351USD487774SWriting instrumentKOTOBUKI & CO LTD·Filed 2003·Granted Mar 23, 2004·7 cites·1 claims
- 3450US2007154253A1Writing instrumentKOTOBUKI & CO LTD·Filed 2006·Application pending·0 cites
- 3548USD829282SMechanical pencilKOTOBUKI & CO LTD·Filed 2016·Granted Sep 25, 2018·4 cites·1 claims
- 3637USD612428SCap for writing instrumentKOTOBUKI & CO LTD·Filed 2009·Granted Mar 23, 2010·2 cites·1 claims
- 3734USD611989SMechanical pencil with a lead tankKOTOBUKI & CO LTD·Filed 2008·Granted Mar 16, 2010·1 cites·1 claims
- 3832USD583869SCap for writing instrumentKOTOBUKI & CO LTD·Filed 2006·Granted Dec 30, 2008·1 cites·1 claims
- 3930USD594902SCap for a writing instrumentKOTOBUKI & CO LTD·Filed 2006·Granted Jun 23, 2009·0 cites·1 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →