Inventor · disambiguated record
Keisuke Nagai
Also filed as: NAGAI KEISUKE
9 granted patents·3 pending applications·39 citations·filing 2001–2019
82Inventor score
Files withHITACHI INDUSTRY EQUIPMENT SYSTEMS CO LTD5DENSO CORP3HITACHI IND EQUIPMENT SYS1NAGAI KEISUKE1NISHIKAWA RUBBER CO LTD1
Top patents by PatentIndex Score
12 records- 0171US6679079B2Vehicle air-conditioning systemDENSO CORP·Filed 2002·Granted Jan 20, 2004·17 cites·17 claims
- 0264US6477858B2Refrigeration cycle apparatusDENSO CORP·Filed 2001·Granted Nov 12, 2002·13 cites·6 claims
- 0361US2018291221A1Ink for Inkjet Printer and Printed MaterialHITACHI INDUSTRY EQUIPMENT SYSTEMS CO LTD·Filed 2018·Application pending·0 cites
- 0459US9541564B2Reagent for assaying D-dimer and kit of reagent for assaying D-dimerSYSMEX CORP·Filed 2016·Granted Jan 10, 2017·0 cites·20 claims
- 0558US6662579B2Vehicle air conditioner having refrigerant cycle with heating functionDENSO CORP·Filed 2002·Granted Dec 16, 2003·9 cites·20 claims
- 0656US12240985B2Ink for ink-jet printer of charge control typeHITACHI INDUSTRY EQUIPMENT SYSTEMS CO LTD·Filed 2019·Granted Mar 4, 2025·0 cites·6 claims
- 0756US2016083600A1Ink for Inkjet Printer and Printed MaterialHITACHI IND EQUIPMENT SYS·Filed 2014·Application pending·0 cites
- 0848US9347957B2Reagent for assaying D-dimer and kit of reagent for assaying D-dimerNAGAI KEISUKE·Filed 2011·Granted May 24, 2016·0 cites·12 claims
- 0945US10308019B2Charge control-type inkjet printer and printing method using sameHITACHI INDUSTRY EQUIPMENT SYSTEMS CO LTD·Filed 2016·Granted Jun 4, 2019·0 cites·12 claims
- 1041US10399343B2Inkjet recording apparatus and ink information display method for inkjet recording apparatusHITACHI INDUSTRY EQUIPMENT SYSTEMS CO LTD·Filed 2016·Granted Sep 3, 2019·0 cites·14 claims
- 1140US10843477B2Makeup fluid and inkjet printer apparatusHITACHI INDUSTRY EQUIPMENT SYSTEMS CO LTD·Filed 2016·Granted Nov 24, 2020·0 cites·6 claims
- 1233US2017355253A1Sealing structure for automobileNISHIKAWA RUBBER CO LTD·Filed 2017·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →