Inventor · disambiguated record
Shigeyuki Ito
Also filed as: ITO SHIGEYUKI
16 granted patents·7 pending applications·272 citations·filing 1981–2013
93Inventor score
Top patents by PatentIndex Score
23 records- 0182US7505714B2Image forming deviceRICOH KK·Filed 2005·Granted Mar 17, 2009·8 cites·10 claims
- 0282US6484946B2IC card information display device and IC card for use therewithHITACHI LTD·Filed 1998·Granted Nov 26, 2002·76 cites·19 claims
- 0371US8684347B2Sheet amount indicator and image forming apparatus with amplifying mechanismITO SHIGEYUKI·Filed 2012·Granted Apr 1, 2014·3 cites·19 claims
- 0470US7317546B2Certification method and device and certificate issuer systemHITACHI LTD·Filed 2001·Granted Jan 8, 2008·10 cites·18 claims
- 0569US4453186AVideo and sound signal recording and reproducing deviceHITACHI LTD·Filed 1981·Granted Jun 5, 1984·18 cites·22 claims
- 0666US7712892B2Image forming apparatusRICOH KK·Filed 2005·Granted May 11, 2010·2 cites·7 claims
- 0764US5895903ATerminal for portable IC cardHITACHI LTD·Filed 1997·Granted Apr 20, 1999·84 cites·26 claims
- 0858US8899723B2Waste liquid container and image forming apparatusSUZUKI KAZUKI·Filed 2008·Granted Dec 2, 2014·1 cites·7 claims
- 0958US4403262AAudio signal muting circuit for magnetic recording and reproducing apparatusHITACHI LTD·Filed 1981·Granted Sep 6, 1983·12 cites·3 claims
- 1057US7431422B2Head cleaner and image forming apparatusRICOH KK·Filed 2004·Granted Oct 7, 2008·6 cites·25 claims
- 1156US2003018577A1Multi-electronic money settlement-of-accounts vicarious execution systemFiled 2002·Application pending·0 cites
- 1255US4490753AAudio signal recording and reproducing circuitHITACHI LTD·Filed 1982·Granted Dec 25, 1984·8 cites·7 claims
- 1351US2001029491A1Digital information sales methodHITACHI LTD·Filed 2001·Application pending·0 cites
- 1451US2008180212A1Settlement terminal and ic cardAIKAWA MAKOTO·Filed 2008·Application pending·0 cites
- 1550US8094890B2Biometric authentication apparatus, biometric authentication system, IC card and biometric authentication methodAIKAWA MAKOTO·Filed 2007·Granted Jan 10, 2012·2 cites·5 claims
- 1647US4843488ANoise elimination circuit for reproduction of audio signals in a magnetic tape recording and reproducing apparatusHITACHI LTD·Filed 1981·Granted Jun 27, 1989·6 cites·5 claims
- 1747US2014226265A1Electronic apparatusTOSHIBA KK·Filed 2013·Application pending·0 cites
- 1846US4481546AModulator-demodulator for obtaining and demodulating frequency-modulated signalHITACHI LTD·Filed 1982·Granted Nov 6, 1984·8 cites·8 claims
- 1945US2014104773A1Electronic apparatusTOSHIBA KK·Filed 2013·Application pending·0 cites
- 2044US2010149299A1Image forming apparatusNISHIDA HAJIME·Filed 2010·Application pending·0 cites
- 2139US6339638B1Telephone used for electronic money card transaction and method of operation of the sameHITACHI LTD·Filed 1999·Granted Jan 15, 2002·28 cites·3 claims
- 2239US2013016291A1Television receiver and electronic deviceITO SHIGEYUKI·Filed 2012·Application pending·0 cites
- 2338US8231201B2Inkjet recording deviceITO SHIGEYUKI·Filed 2008·Granted Jul 31, 2012·0 cites·14 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →