Inventor · disambiguated record
Yutaka Takami
Also filed as: TAKAMI YUTAKA
35 granted patents·6 pending applications·851 citations·filing 1993–2009
98Inventor score
Top patents by PatentIndex Score
41 records- 0191US6367696B1IC card processing device, automatic vending device, and selling methodHITACHI LTD·Filed 2000·Granted Apr 9, 2002·77 cites·36 claims
- 0288US7360091B2Secure data transfer method of using a smart cardHITACHI LTD·Filed 2003·Granted Apr 15, 2008·51 cites·5 claims
- 0387US6016956AElectronic money transaction system with a radio transmitter and receiver using a portable telephoneHITACHI LTD·Filed 1997·Granted Jan 25, 2000·74 cites·16 claims
- 0484US7737824B2Radio frequency identification (RFID) tag, portable terminal, and server for RFID tagHITACHI LTD·Filed 2005·Granted Jun 15, 2010·15 cites·5 claims
- 0582US6484946B2IC card information display device and IC card for use therewithHITACHI LTD·Filed 1998·Granted Nov 26, 2002·76 cites·19 claims
- 0680US6840448B2Portable information processing apparatusHITACHI LTD·Filed 2003·Granted Jan 11, 2005·30 cites·7 claims
- 0779US7425897B2Radio frequency identification (RFID) device with a response stop commandHITACHI LTD·Filed 2006·Granted Sep 16, 2008·8 cites·4 claims
- 0877US5838059AMultichip IC card and IC card system using itHITACHI LTD·Filed 1996·Granted Nov 17, 1998·56 cites·15 claims
- 0976US7346579B2Electronic purse application system and method thereofHITACHI LTD·Filed 2001·Granted Mar 18, 2008·9 cites·18 claims
- 1072US6976625B2Electronic purseHITACHI VIDEO & INF SYST·Filed 2004·Granted Dec 20, 2005·3 cites·30 claims
- 1172US6938165B2Program writable IC card and method thereofHITACHI VIDEO & INF SYST·Filed 2001·Granted Aug 30, 2005·4 cites·14 claims
- 1272US6382505B1Electronic purseHITACHI LTD·Filed 2000·Granted May 7, 2002·3 cites·14 claims
- 1371US7246739B2System of settlement transaction and methodHITACHI LTD·Filed 2004·Granted Jul 24, 2007·2 cites·12 claims
- 1470US6345263B1Electronic purse application system and method thereofHITACHI LTD·Filed 1997·Granted Feb 5, 2002·112 cites·8 claims
- 1568US5748238AVideo cameraHITACHI LTD·Filed 1996·Granted May 5, 1998·30 cites·8 claims
- 1667US7628323B2System of settlement transaction and methodHITACHI LTD·Filed 2007·Granted Dec 8, 2009·2 cites·2 claims
- 1764US6359699B1IC card processing system and processing methodHITACHI LTD·Filed 1998·Granted Mar 19, 2002·41 cites·23 claims
- 1863US5992738AIC card automated transaction terminal and IC card used thereinHITACHI LTD·Filed 1996·Granted Nov 30, 1999·110 cites·29 claims
- 1962US2003163376A1Point management systemFiled 2003·Application pending·0 cites
- 2061US6827258B2Electronic purseHITACHI LTD·Filed 2002·Granted Dec 7, 2004·0 cites·2 claims
- 2160US2009287606A1System and terminal device for electronic money transaction on information and method thereofHITACHI LTD·Filed 2009·Application pending·0 cites
- 2257US7611047B2System of settlement transaction and methodHITACHI LTD·Filed 2007·Granted Nov 3, 2009·0 cites·3 claims
- 2356US2003018577A1Multi-electronic money settlement-of-accounts vicarious execution systemFiled 2002·Application pending·0 cites
- 2455US7710272B2Radio frequency identification (RFID) device with a response stop commandHITACHI LTD·Filed 2008·Granted May 4, 2010·0 cites·4 claims
- 2555US5565919AVideo camera/VTR and camera station with opto-electronic link between camera/VTR and camera stationHITACHI LTD·Filed 1993·Granted Oct 15, 1996·13 cites·12 claims
- 2654US6902106B2Electronic money transaction system with a radio transmitter and receiver using a portable telephoneHITACHI LTD·Filed 2002·Granted Jun 7, 2005·0 cites·16 claims
- 2753US8001326B2Portable terminalHITACHI LTD·Filed 2008·Granted Aug 16, 2011·0 cites·3 claims
- 2851US6425522B1IC card information processing system, and apparatus and cards for the sameHITACHI LTD·Filed 1999·Granted Jul 30, 2002·34 cites·32 claims
- 2951US2001029491A1Digital information sales methodHITACHI LTD·Filed 2001·Application pending·0 cites
- 3051US2008180212A1Settlement terminal and ic cardAIKAWA MAKOTO·Filed 2008·Application pending·0 cites
- 3150US8094890B2Biometric authentication apparatus, biometric authentication system, IC card and biometric authentication methodAIKAWA MAKOTO·Filed 2007·Granted Jan 10, 2012·2 cites·5 claims
- 3249US7356645B2Portable terminal with an IC card mounted thereonHITACHI LTD·Filed 2004·Granted Apr 8, 2008·0 cites·12 claims
- 3349US7278029B2Program writable IC card and method thereofHITACHI VIDEO & INF SYST·Filed 2003·Granted Oct 2, 2007·0 cites·8 claims
- 3449US6199755B1Machine data acquistion system and methodHITACHI LTD·Filed 1998·Granted Mar 13, 2001·28 cites·53 claims
- 3548US2003033203A1Point management systemFiled 2002·Application pending·0 cites
- 3643US7404523B2IC card with a cipher key conversion functionHITACHI LTD·Filed 2004·Granted Jul 29, 2008·0 cites·6 claims
- 3740US6634549B1IC card automated transaction terminal and IC used thereinHITACHI LTD·Filed 1999·Granted Oct 21, 2003·21 cites·14 claims
- 3840US6536661B1Electronic money transaction system with a radio transmitter and receiver using a portable telephoneHITACHI LTD·Filed 1999·Granted Mar 25, 2003·21 cites·22 claims
- 3938US6189782B1Electronic purseHITACHI LTD·Filed 1997·Granted Feb 20, 2001·15 cites·15 claims
- 4037US6505297B1IC card terminal device and installation of application program into IC card terminal deviceHITACHI LTD·Filed 1999·Granted Jan 7, 2003·9 cites·18 claims
- 4135US6732272B1Program writable integrated circuit card and method thereforeHITACHI LTD·Filed 1997·Granted May 4, 2004·5 cites·46 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →