Inventor · disambiguated record
Ryouzou Yoshino
Also filed as: YOSHINO RYOUZOU
10 granted patents·703 citations·filing 1997–2002
92Inventor score
Top patents by PatentIndex Score
10 records- 0197US6427065B1Power transmission system, IC card and information communication system using IC cardHITACHI LTD·Filed 2000·Granted Jul 30, 2002·257 cites·9 claims
- 0294US6321067B1Power transmission system IC card and information communication system using IC cardHITACHI LTD·Filed 1997·Granted Nov 20, 2001·217 cites·7 claims
- 0387US6194993B1Reader and/or writer apparatus, power feeding system, and communication systemHITACHI LTD·Filed 1998·Granted Feb 27, 2001·89 cites·29 claims
- 0484US6608550B2Reader and/or writer apparatus, power feeding system, and communication systemHITACHI LTD·Filed 2000·Granted Aug 19, 2003·34 cites·10 claims
- 0575US6686750B2Semiconductor integrated circuit device and IC cardHITACHI LTD·Filed 2002·Granted Feb 3, 2004·19 cites·12 claims
- 0672US6831378B2Semiconductor integrated circuit device and contactless electronic deviceRENESAS TECH CORP·Filed 2002·Granted Dec 14, 2004·18 cites·15 claims
- 0768US6487100B2Semiconductor integrated circuit device and contactless electronic deviceHITACHI ULSI SYS CO LTD·Filed 2001·Granted Nov 26, 2002·14 cites·15 claims
- 0863US6173900B1IC cardHITACHI LTD·Filed 1999·Granted Jan 16, 2001·31 cites·15 claims
- 0953US6420883B1Semiconductor integrated circuit device and IC cardHITACHI LTD·Filed 1999·Granted Jul 16, 2002·13 cites·6 claims
- 1038US5949823AData communication system and radio IC card systemHITACHI LTD·Filed 1997·Granted Sep 7, 1999·11 cites·14 claims
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