Inventor · disambiguated record
Kazutoshi Ishikawa
Also filed as: ISHIKAWA KAZUTOSHI
41 granted patents·5 pending applications·223 citations·filing 1988–2023
97Inventor score
Files withNIDEC SANKYO CORP19ISHIKAWA KAZUTOSHI5IDEMITSU PETROCHEMICAL CO4JFE STEEL CORP3SANKYO SEIKI SEISAKUSHO KK3
Top patents by PatentIndex Score
46 records- 0191US8931698B2Card readerISHIKAWA KAZUTOSHI·Filed 2011·Granted Jan 13, 2015·45 cites·15 claims
- 0281US10339747B2Card readerNIDEC SANKYO CORP·Filed 2016·Granted Jul 2, 2019·3 cites·16 claims
- 0376US7500609B2Medium processing deviceNIDEC SANKYO CORP·Filed 2006·Granted Mar 10, 2009·7 cites·9 claims
- 0475US9038904B2Card readerNIDEC SANKYO CORP·Filed 2013·Granted May 26, 2015·3 cites·9 claims
- 0574US4914347AHot-cathode discharge fluorescent lamp filled with low pressure rare gasMITSUBISHI ELECTRIC CORP·Filed 1988·Granted Apr 3, 1990·19 cites·2 claims
- 0673US9922213B2Card readerNIDEC SANKYO CORP·Filed 2015·Granted Mar 20, 2018·2 cites·16 claims
- 0772US9707614B2Tube expanding method for manufacturing metal tubeKATSUMURA TATSURO·Filed 2012·Granted Jul 18, 2017·3 cites·8 claims
- 0869US9129204B2Card readerNIDEC SANKYO CORP·Filed 2013·Granted Sep 8, 2015·2 cites·11 claims
- 0967US8824073B2Card reader and control method of card readerMIYABE TAKAAKI·Filed 2010·Granted Sep 2, 2014·3 cites·13 claims
- 1067US6834801B2Contacts block mechanism of IC contact card readerSANKYO SEIKI SEISAKUSHO KK·Filed 2000·Granted Dec 28, 2004·11 cites·6 claims
- 1166US5037907AProcess for producing mainly syndiotactic styrene-based polymersIDEMITSU PETROCHEMICAL CO·Filed 1989·Granted Aug 6, 1991·16 cites·6 claims
- 1265US12410497B2Electric-resistance-welded steel pipe or tube for hollow stabilizerJFE STEEL CORP·Filed 2020·Granted Sep 9, 2025·0 cites·4 claims
- 1365US8313027B2Card reader and control method thereforISHIKAWA KAZUTOSHI·Filed 2010·Granted Nov 20, 2012·2 cites·23 claims
- 1463US6574058B1Recording medium detecting apparatus for distinguishing between a recording medium having a relatively high coercivity or a relatively low coercivitySANKYO SEIKI SEISAKUSHO KK·Filed 1999·Granted Jun 3, 2003·34 cites·20 claims
- 1562US9552501B2Card reader and control method of card readerNIDEC SANKYO CORP·Filed 2014·Granted Jan 24, 2017·1 cites·5 claims
- 1661US6923372B2Card gate mechanism in card readerSANKYO SEIKO CO LTD·Filed 2001·Granted Aug 2, 2005·11 cites·12 claims
- 1760US8708235B2Card readerOZAWA SHIGEKI·Filed 2011·Granted Apr 29, 2014·2 cites·18 claims
- 1860US8058831B2Control device and control methodISHIKAWA KAZUTOSHI·Filed 2007·Granted Nov 15, 2011·3 cites·20 claims
- 1954US5306790AProcess for producing styrenic polymerIDEMITSU PETROCHEMICAL CO·Filed 1992·Granted Apr 26, 1994·10 cites·3 claims
- 2053US9506132B2Method for manufacturing heavy wall steel pipeJFE STEEL CORP·Filed 2013·Granted Nov 29, 2016·0 cites·8 claims
- 2153US5254647AProcess for producing styrene-based polymersIDEMITSU PETROCHEMICHAL CO LTD·Filed 1991·Granted Oct 19, 1993·18 cites·10 claims
- 2252US7118038B2Card readerNIDEC SANKYO CORP·Filed 2003·Granted Oct 10, 2006·4 cites·4 claims
- 2352US2025194930A1Terminal device and measurement methodSHARP KK·Filed 2023·Application pending·0 cites
- 2451US5597879AProcess for producing styrenic polymerIDEMITSU PETROCHEMICAL CO·Filed 1995·Granted Jan 28, 1997·13 cites·6 claims
- 2549US7830559B2Information processing deviceNIDEC SANKYO CORP·Filed 2007·Granted Nov 9, 2010·0 cites·11 claims
- 2648US8177128B2Information processing device for card-like recording mediumISHIKAWA KAZUTOSHI·Filed 2007·Granted May 15, 2012·0 cites·10 claims
- 2747US10055615B2Card readerNIDEC SANKYO CORP·Filed 2016·Granted Aug 21, 2018·0 cites·4 claims
- 2847US6991163B2Card readerSANKYO SEIKI SEISAKUSHO KK·Filed 2004·Granted Jan 31, 2006·4 cites·25 claims
- 2946US11055500B2Card readerNIDEC SANKYO CORP·Filed 2018·Granted Jul 6, 2021·0 cites·9 claims
- 3046US9576160B2Card readerNIDEC SANKYO CORP·Filed 2013·Granted Feb 21, 2017·0 cites·12 claims
- 3146US9569702B2Card readerNIDEC SANKYO CORP·Filed 2013·Granted Feb 14, 2017·0 cites·24 claims
- 3245US9767391B2Card readerNIDEC SANKYO CORP·Filed 2014·Granted Sep 19, 2017·0 cites·7 claims
- 3345US9558379B2Card readerNIDEC SANKYO CORP·Filed 2013·Granted Jan 31, 2017·0 cites·16 claims
- 3445US2003214679A1Communication apparatusFiled 2003·Application pending·0 cites
- 3545US2015101711A1High-strength seamless stainless steel tube for oil country tubular goods and method of manufacturing the sameJFE STEEL CORP·Filed 2013·Application pending·0 cites
- 3643US8985450B2Card insertion part and card readerISHIKAWA KAZUTOSHI·Filed 2012·Granted Mar 24, 2015·0 cites·8 claims
- 3742US7519305B2Fixing device and image forming apparatus including the sameSHARP KK·Filed 2005·Granted Apr 14, 2009·0 cites·8 claims
- 3841US8261987B2Card processing device and a card processing systemMIZAWA MAMORU·Filed 2011·Granted Sep 11, 2012·0 cites·5 claims
- 3940US10204242B2Card insertion and ejection mechanism and card processing deviceNIDEC SANKYO CORP·Filed 2016·Granted Feb 12, 2019·0 cites·12 claims
- 4040US10083327B2Card reader and control method thereforNIDEC SANKYO CORP·Filed 2015·Granted Sep 25, 2018·0 cites·12 claims
- 4140US9734363B2Card readerNIDEC SANKYO CORP·Filed 2015·Granted Aug 15, 2017·0 cites·19 claims
- 4238US5032650AProcess for producing a highly syndiotactic styrene-based polymerIDEMITSU PETROCHEMICAL CO·Filed 1990·Granted Jul 16, 1991·3 cites·21 claims
- 4338US2018218138A1Card reader and card issuing deviceNIDEC SANKYO CORP·Filed 2016·Application pending·0 cites
- 4437US9858449B2MR sensor and card readerNIDEC SANKYO CORP·Filed 2015·Granted Jan 2, 2018·0 cites·18 claims
- 4536US5159237AGreen-light-emitting rare gas discharge lampMITSUBISHI ELECTRIC CORP·Filed 1991·Granted Oct 27, 1992·4 cites·12 claims
- 4632US2002015188A1Facsimile apparatus, information processing apparatus and method for data communicationFiled 2001·Application pending·0 cites
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →