Inventor · disambiguated record
Hiroyuki Ishikawa
Also filed as: ISHIKAWA HIROYUKI · ISHIKAWA HIROYUKI O
148 granted patents·52 pending applications·1,419 citations·filing 1983–2024
99Inventor score
Top patents by PatentIndex Score
200 records- 0196US9827778B2Ink circulation device and ink ejection deviceTOSHIBA TEC KK·Filed 2016·Granted Nov 28, 2017·9 cites·12 claims
- 0295US10717293B2Liquid circulation apparatus, liquid ejection apparatus and liquid ejection methodTOSHIBA TEC KK·Filed 2018·Granted Jul 21, 2020·4 cites·12 claims
- 0395US9694595B2Liquid circulation device, liquid discharge device and control method for the sameTOSHIBA TEC KK·Filed 2016·Granted Jul 4, 2017·7 cites·6 claims
- 0494US11168139B2Antigen-binding domain, and polypeptide including conveying sectionCHUGAI PHARMACEUTICAL CO LTD·Filed 2017·Granted Nov 9, 2021·7 cites·8 claims
- 0593US9636921B2Liquid ejection apparatusTOSHIBA TEC KK·Filed 2015·Granted May 2, 2017·4 cites·13 claims
- 0692US12001909B2Communication apparatusTOSHIBA TEC KK·Filed 2022·Granted Jun 4, 2024·2 cites·2 claims
- 0792US9421788B2Liquid circulation device and liquid discharging apparatusTOSHIBA TEC KK·Filed 2014·Granted Aug 23, 2016·4 cites·13 claims
- 0891US9688077B1Ink jet recording apparatusTOSHIBA TEC KK·Filed 2016·Granted Jun 27, 2017·3 cites·1 claims
- 0990US11932697B2Antigen-binding domain, and polypeptide including conveying sectionCHUGAI PHARMACEUTICAL CO LTD·Filed 2021·Granted Mar 19, 2024·1 cites·16 claims
- 1090US9828682B2Differential pressure water electrolysis apparatusHONDA MOTOR CO LTD·Filed 2015·Granted Nov 28, 2017·6 cites·16 claims
- 1189US11659122B2Sheet conveyance device and method for writing to a wireless tagTOSHIBA TEC KK·Filed 2021·Granted May 23, 2023·2 cites·20 claims
- 1289US8679305B2High-pressure hydrogen producing apparatusNAKAZAWA KOJI·Filed 2012·Granted Mar 25, 2014·8 cites·11 claims
- 1389US6600835B1Moving-picture compressing techniqueNEC CORP·Filed 2000·Granted Jul 29, 2003·41 cites·17 claims
- 1488US9987853B2Liquid circulation device, liquid discharge device and liquid discharge methodTOSHIBA TEC KK·Filed 2016·Granted Jun 5, 2018·2 cites·4 claims
- 1588US9979856B2Optical print head, image forming apparatus and light amount correction method of optical print headTOSHIBA KK·Filed 2017·Granted May 22, 2018·2 cites·16 claims
- 1687US9778509B2Optical conversion member, backlight unit, and liquid crystal display deviceFUJIFILM CORP·Filed 2016·Granted Oct 3, 2017·4 cites·12 claims
- 1786US9829615B2Luminance-enhancing film, optical sheet member, and liquid crystal display deviceFUJIFILM CORP·Filed 2016·Granted Nov 28, 2017·3 cites·22 claims
- 1886US8730228B2Driving circuit for light emitting diodeYONEMARU MASAO·Filed 2010·Granted May 20, 2014·10 cites·8 claims
- 1985US9878535B2Ink circulation device and printerTOSHIBA TEC KK·Filed 2016·Granted Jan 30, 2018·2 cites·11 claims
- 2085US8353570B2Liquid ejecting apparatus and liquid ejecting methodSEIKO EPSON CORP·Filed 2010·Granted Jan 15, 2013·4 cites·8 claims
- 2185US5818473ADrive method for an electrostatic ink jet head for eliminating residual charge in the diaphragmSEIKO EPSON CORP·Filed 1996·Granted Oct 6, 1998·54 cites·16 claims
- 2284US10053783B2Differential pressure water electrolysis systemHONDA MOTOR CO LTD·Filed 2015·Granted Aug 21, 2018·2 cites·16 claims
- 2384US7806511B2Liquid ejection apparatusBROTHER IND LTD·Filed 2008·Granted Oct 5, 2010·7 cites·10 claims
- 2484US6897638B2Stabilized power supply unit having a current limiting functionROHM CO LTD·Filed 2003·Granted May 24, 2005·35 cites·14 claims
- 2584US6748114B1Moving picture encoding method and moving picture encoding apparatusNEC CORP·Filed 2000·Granted Jun 8, 2004·26 cites·20 claims
- 2684US6474784B1Ink-jet head, ink jet printer, and its driving methodSEIKO EPSON CORP·Filed 1999·Granted Nov 5, 2002·49 cites·19 claims
- 2783US12030955B2Polypeptide including antigen-binding domain and carrying sectionCHUGAI PHARMACEUTICAL CO LTD·Filed 2018·Granted Jul 9, 2024·2 cites·19 claims
- 2883US10053786B2Differential pressure water electrolysis systemHONDA MOTOR CO LTD·Filed 2015·Granted Aug 21, 2018·2 cites·14 claims
- 2983US8936712B2Water electrolysis system and method for operating the sameKURASHINA DAISUKE·Filed 2012·Granted Jan 20, 2015·3 cites·3 claims
- 3083US6350003B1Ink droplet ejecting method and apparatusBROTHER IND LTD·Filed 1998·Granted Feb 26, 2002·40 cites·25 claims
- 3182US8552971B2Driving circuit for light emitting diodeISHIKAWA HIROYUKI·Filed 2009·Granted Oct 8, 2013·8 cites·6 claims
- 3282US6070310AMethod for producing an ink jet headBROTHER IND LTD·Filed 1998·Granted Jun 6, 2000·46 cites·19 claims
- 3382US5554338AMethod of preparing composite sintered bodyNISSAN MOTOR·Filed 1995·Granted Sep 10, 1996·67 cites·27 claims
- 3482US4857365AMethod of manufacturing modified wood materialMATSUSHITA ELECTRIC WORKS LTD·Filed 1988·Granted Aug 15, 1989·39 cites·7 claims
- 3581US11368388B2Communication system, communication device, and communication methodTOSHIBA TEC KK·Filed 2021·Granted Jun 21, 2022·1 cites·18 claims
- 3681US6509929B1Apparatus and method for coding a moving pictureNEC CORP·Filed 2000·Granted Jan 21, 2003·21 cites·6 claims
- 3780US6201896B1Picture encoding apparatusNEC CORP·Filed 1998·Granted Mar 13, 2001·65 cites·12 claims
- 3880US2024150476A1Antigen-binding domain, and polypeptide including conveying sectionCHUGAI PHARMACEUTICAL CO LTD·Filed 2023·Application pending·0 cites
- 3979US12060654B2Ligand-binding molecule having adjustable ligand binding activityCHUGAI PHARMACEUTICAL CO LTD·Filed 2017·Granted Aug 13, 2024·1 cites·23 claims
- 4078US11006465B2Communication apparatus, peripheral apparatus, and communication systemTOSHIBA TEC KK·Filed 2019·Granted May 11, 2021·2 cites·20 claims
- 4178US6371598B1Ink jet recording apparatus, and an ink jet headSEIKO EPSON CORP·Filed 1998·Granted Apr 16, 2002·37 cites·35 claims
- 4278US5493345AMethod for detecting a scene change and image editing apparatusNEC CORP·Filed 1994·Granted Feb 20, 1996·60 cites·12 claims
- 4377US4614384AElectronic cash registerCASIO COMPUTER CO LTD·Filed 1984·Granted Sep 30, 1986·26 cites·14 claims
- 4477US2025034756A1Ligand-binding molecule having adjustable ligand binding activityCHUGAI PHARMACEUTICAL CO LTD·Filed 2024·Application pending·0 cites
- 4576US10828907B2Liquid circulation device and liquid discharging apparatusTOSHIBA TEC KK·Filed 2019·Granted Nov 10, 2020·0 cites·20 claims
- 4676US6822428B2Stabilized power supply unit having a current limiting functionROHM CO LTD·Filed 2003·Granted Nov 23, 2004·24 cites·15 claims
- 4775US12138922B2Liquid ejection deviceBROTHER IND LTD·Filed 2022·Granted Nov 12, 2024·0 cites·18 claims
- 4875US10933652B2Liquid circulation device and liquid discharging apparatusTOSHIBA TEC KK·Filed 2019·Granted Mar 2, 2021·0 cites·8 claims
- 4975US8932379B2Exhaust gas purification systemIKEDA TAKASHI·Filed 2011·Granted Jan 13, 2015·4 cites·16 claims
- 5075US5571305AAtomized steel powder excellent machinability and sintered steel manufactured therefromKAWASAKI STEEL CO·Filed 1994·Granted Nov 5, 1996·31 cites·9 claims
Showing the top 50 of 200 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →