Inventor · disambiguated record
Katsuhiro Hiejima
Also filed as: HIEJIMA KATSUHIRO
30 granted patents·8 pending applications·987 citations·filing 1991–2023
97Inventor score
Top patents by PatentIndex Score
38 records- 0195US7914494B2Indwelling catheterNIPRO CORP·Filed 2007·Granted Mar 29, 2011·96 cites·12 claims
- 0286US6554805B2Infusion rate adjusting device for drug solution injectorNIPRO CORP·Filed 2001·Granted Apr 29, 2003·123 cites·5 claims
- 0385US7347839B2Indwelling catheterNIPRO CORP·Filed 2004·Granted Mar 25, 2008·105 cites·14 claims
- 0478US7470262B2Medical valveNIPRO CORP·Filed 2004·Granted Dec 30, 2008·67 cites·9 claims
- 0569US6464651B1Guide wireNIPRO CORP·Filed 2000·Granted Oct 15, 2002·52 cites·3 claims
- 0666US6786891B2Indwelling needleNIPRO CORP·Filed 2003·Granted Sep 7, 2004·32 cites·5 claims
- 0766US2023346219A1Ecg measurement system and ecg transmitterNIPRO CORP·Filed 2023·Application pending·0 cites
- 0865US8052641B2Indwelling needle with wingsNIPRO CORP·Filed 2007·Granted Nov 8, 2011·5 cites·5 claims
- 0964US7846127B2Multi lumen catheterNIPRO CORP·Filed 2007·Granted Dec 7, 2010·3 cites·7 claims
- 1064US7282041B2Multi lumen catheterNIPRO CORP·Filed 2003·Granted Oct 16, 2007·32 cites·23 claims
- 1160US11697004B2Method of manufacturing a balloon catheterNIPRO CORP·Filed 2020·Granted Jul 11, 2023·0 cites·12 claims
- 1260US8641012B2Medical connectorMATSUMOTO KUNIAKI·Filed 2009·Granted Feb 4, 2014·5 cites·11 claims
- 1359US6565531B1Drug solution delivery deviceNIPRO CORP·Filed 2000·Granted May 20, 2003·19 cites·19 claims
- 1458USD940326SElectrocardiograph deviceNIPRO CORP·Filed 2020·Granted Jan 4, 2022·3 cites·1 claims
- 1555US5839470AThree-way stopcock and flow rate control device in use thereofNISSHO KK·Filed 1997·Granted Nov 24, 1998·87 cites·3 claims
- 1655US5514096AApparatus and balloon for dosing a liquid medicineNISSHO KK·Filed 1994·Granted May 7, 1996·70 cites·10 claims
- 1754US7186223B2Guide wireNIPRO CORP·Filed 2002·Granted Mar 6, 2007·12 cites·3 claims
- 1854US2021228077A1Ecg measurement system and ecg transmitterNIPRO CORP·Filed 2019·Application pending·0 cites
- 1953US2008287905A1Medical valveHIEJIMA KATSUHIRO·Filed 2008·Application pending·0 cites
- 2051US6213981B1Self-administration device for liquid medicinesNISSHO KK·Filed 1999·Granted Apr 10, 2001·61 cites·6 claims
- 2149US10137014B2StentNIPRO CORP·Filed 2014·Granted Nov 27, 2018·0 cites·21 claims
- 2248US2019091046A1StentNIPRO CORP·Filed 2018·Application pending·0 cites
- 2348US2008091172A1Medical tube inserted in body cavity of patient and medical device set using the sameNIPRO CORP UCHIHASHI ESTEC CO·Filed 2007·Application pending·0 cites
- 2447US10987493B2Guide wireNIPRO CORP·Filed 2016·Granted Apr 27, 2021·0 cites·13 claims
- 2546US8992483B2Indwelling needle assembly and protectorISHIKURA KOHZO·Filed 2008·Granted Mar 31, 2015·0 cites·22 claims
- 2646US2018043141A1Balloon catheterNIPRO CORP·Filed 2016·Application pending·0 cites
- 2744US6139530ALiquid medicine injection apparatus utilizing negative pressureNISSHO KK·Filed 1999·Granted Oct 31, 2000·40 cites·24 claims
- 2844US5178610ALiquid infusion deviceNISSHO KK·Filed 1991·Granted Jan 12, 1993·44 cites·6 claims
- 2942US2004082920A1Liquid medicine infusion apparatusMORI TAKESHI·Filed 2003·Application pending·0 cites
- 3040US5891102ASelf-administration device for liquid drugsNISSHO KK·Filed 1997·Granted Apr 6, 1999·30 cites·2 claims
- 3139US2005234406A1Patient-controlled analgesia (pca) apparatus capable of continuous injection and additional administration of drug solutionHIEJIMA KATSUHIRO·Filed 2005·Application pending·0 cites
- 3238US5700251AEpidural catheterNISSHO KK·Filed 1995·Granted Dec 23, 1997·29 cites·13 claims
- 3337US5531688AApparatus for dosing a liquid medicineNISSHO KK·Filed 1995·Granted Jul 2, 1996·25 cites·7 claims
- 3435US5925023AMulti stage type flow rate switching deviceNISSHO KK·Filed 1997·Granted Jul 20, 1999·18 cites·1 claims
- 3532US6027491ASelf-administration device for liquid drugsNISSHO KK·Filed 1998·Granted Feb 22, 2000·12 cites·4 claims
- 3630US8845591B2Self-administration device for liquid medicineISHIZAKI AKIHIKO·Filed 2010·Granted Sep 30, 2014·0 cites·7 claims
- 3730US5931193AFlow rate control device having priming mechanismNISSHO KK·Filed 1997·Granted Aug 3, 1999·2 cites·5 claims
- 3830US5927326AMulti stage type flow rate switching deviceNISSHO KK·Filed 1997·Granted Jul 27, 1999·15 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →