Inventor · disambiguated record
Kazuhisa Shimizu
Also filed as: SHIMIZU KAZUHISA
39 granted patents·7 pending applications·603 citations·filing 1992–2015
98Inventor score
Top patents by PatentIndex Score
46 records- 0190US7820759B2Micellar preparation containing sparingly water-soluble anticancer agent and novel block copolymerNIPPON KAYAKU KK·Filed 2009·Granted Oct 26, 2010·22 cites·2 claims
- 0288USD587752SBallpoint penPENTEL KK·Filed 2008·Granted Mar 3, 2009·37 cites·1 claims
- 0388USD364424SWriting instrumentPENTEL KK·Filed 1994·Granted Nov 21, 1995·30 cites·1 claims
- 0487USD404763SMechanical pencilPENTEL KK·Filed 1998·Granted Jan 26, 1999·32 cites·1 claims
- 0585USD549779SGrip for a writing instrumentPENTEL KK·Filed 2006·Granted Aug 28, 2007·33 cites·1 claims
- 0685US7138490B2Block copolymer reduced in impurity content, polymeric carrier, pharmaceutical preparations in polymeric form and process for the preparation of the sameNIPPON KAYAKU KK·Filed 2002·Granted Nov 21, 2006·25 cites·5 claims
- 0785USD451960SCorrection tape holderPENTEL KK·Filed 2001·Granted Dec 11, 2001·30 cites·1 claims
- 0884USD420389SCorrection tape holderPENTEL KK·Filed 1998·Granted Feb 8, 2000·27 cites·1 claims
- 0983USD506508SCorrection tape holderPENTEL KK·Filed 2004·Granted Jun 21, 2005·29 cites·1 claims
- 1082USD501881SElectronic penPENTEL KK·Filed 2004·Granted Feb 15, 2005·26 cites·1 claims
- 1181USD349297SCap for a writing instrumentPENTEL KK·Filed 1992·Granted Aug 2, 1994·22 cites·1 claims
- 1280USD611535SMechanical pencilPENTEL KK·Filed 2008·Granted Mar 9, 2010·24 cites·1 claims
- 1379USD385914SMechanical pencilPENTEL KK·Filed 1993·Granted Nov 4, 1997·20 cites·1 claims
- 1477USD630247SMechanical pencilPENTEL KK·Filed 2010·Granted Jan 4, 2011·23 cites·1 claims
- 1575USD508528SElectronic penPENTEL KK·Filed 2004·Granted Aug 16, 2005·19 cites·1 claims
- 1674USD458636SMechanical pencilPENTEL KK·Filed 1999·Granted Jun 11, 2002·17 cites·1 claims
- 1772USD412342SMechanical pencilPENTEL KK·Filed 1997·Granted Jul 27, 1999·16 cites·1 claims
- 1871USD430210SMechanical pencilPENTEL KK·Filed 1999·Granted Aug 29, 2000·15 cites·1 claims
- 1970USD548280SBallpoint penPENTEL KK·Filed 2005·Granted Aug 7, 2007·17 cites·1 claims
- 2064USD385915SMechanical pencilPENTEL KK·Filed 1996·Granted Nov 4, 1997·12 cites·1 claims
- 2162USD648798SCorrection penSHIMIZU KAZUHISA·Filed 2011·Granted Nov 15, 2011·12 cites·1 claims
- 2262US6080396AAnthracycline compound derivative and pharmaceutical preparation containing the sameJAPAN SCIENCE & TECH CORP·Filed 1996·Granted Jun 27, 2000·21 cites·16 claims
- 2360USD569437SCap for writing instrumentPENTEL KK·Filed 2007·Granted May 20, 2008·11 cites·1 claims
- 2459US9434822B2Block copolymer, micelle preparation, and anticancer agent containing the same as active ingredientNIPPON KAYAKU KK·Filed 2013·Granted Sep 6, 2016·0 cites·8 claims
- 2556USD597600SBallpoint penPENTEL KK·Filed 2008·Granted Aug 4, 2009·9 cites·1 claims
- 2654USD389186SMechanical pencilPENTEL KK·Filed 1996·Granted Jan 13, 1998·8 cites·1 claims
- 2753US2008113028A1Novel Block Copolymer, Micelle Preparation, And Anticancer Agent Containing The Same As Active IngredientSHIMIZU KAZUHISA·Filed 2005·Application pending·0 cites
- 2852USD698390SMechanical pencilPENTEL KK·Filed 2012·Granted Jan 28, 2014·7 cites·1 claims
- 2951US2014142167A1Micellar Preparation Containing Sparingly Water-Soluble Anticancer Agent And Novel Block CopolymerNANOCARRIER KABUSHIKI KAISHA·Filed 2013·Application pending·0 cites
- 3050USD584356SCap for electronic penPENTEL KK·Filed 2007·Granted Jan 6, 2009·7 cites·1 claims
- 3150USD576676SBallpoint penPENTEL KK·Filed 2006·Granted Sep 9, 2008·7 cites·1 claims
- 3250USD575338SBallpoint penPENTEL KK·Filed 2006·Granted Aug 19, 2008·7 cites·1 claims
- 3350US2006099265A1Micellar preparation containing sparingly water-soluble anticancer agent and novel block copolymerSHIMIZU KAZUHISA·Filed 2004·Application pending·0 cites
- 3449US2004160352A1Remote controller for keyless entryFiled 2004·Application pending·0 cites
- 3547USD580979SCap for a writing instrumentPENTEL KK·Filed 2007·Granted Nov 18, 2008·6 cites·1 claims
- 3647US2015259479A1Novel Block Copolymer, Micelle Preparation, And Anticancer Agent Containing The Same As Active IngredientNIPPON KAYAKU KK·Filed 2015·Application pending·0 cites
- 3747US2005214375A1Process for producing block copolymer/drug compositeNAKANISHI TAKESHI·Filed 2003·Application pending·0 cites
- 3845USD523479SCorrection tape holderPENTAL KABUSHIKI KAISHA·Filed 2004·Granted Jun 20, 2006·7 cites·1 claims
- 3945USD489759SMechanical pencilPENTEL KK·Filed 2002·Granted May 11, 2004·5 cites·1 claims
- 4043USD477024SMechanical pencilPENTEL KK·Filed 2002·Granted Jul 8, 2003·4 cites·1 claims
- 4142USD665024SMechanical pencilSHIMIZU KAZUHISA·Filed 2011·Granted Aug 7, 2012·4 cites·1 claims
- 4242USD648799SCorrection tape transcriberSHIMIZU KAZUHISA·Filed 2009·Granted Nov 15, 2011·4 cites·1 claims
- 4341USD521558SBoard for an electronic handwriting systemPENTEL KK·Filed 2005·Granted May 23, 2006·4 cites·1 claims
- 4438USD522582SMarking tape holderPENTEL KK·Filed 2004·Granted Jun 6, 2006·4 cites·1 claims
- 4538US2007129383A1Substituted 2-amino-[1,2,4]triazolo[1,5-a]pyrimidine derivative and use thereofKURAMOCHI HIROSHI·Filed 2004·Application pending·0 cites
- 4631USD777256SMechanical pencilPENTEL KK·Filed 2015·Granted Jan 24, 2017·0 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →