Inventor · disambiguated record
Chiyo Akamatsu
Also filed as: AKAMATSU CHIYO
15 granted patents·572 citations·filing 1995–2014
93Inventor score
Top patents by PatentIndex Score
15 records- 0196US7224886B2Method of using AV devices and AV device systemHITACHI LTD·Filed 2001·Granted May 29, 2007·76 cites·21 claims
- 0293US5867110AInformation reporting systemHITACHI LTD·Filed 1996·Granted Feb 2, 1999·354 cites·10 claims
- 0385US6691150B1Information device, information device system control method, and information device systemHITACHI LTD·Filed 2000·Granted Feb 10, 2004·25 cites·12 claims
- 0466US6131111AInformation device information device system control method, and information device systemHITACHI LTD·Filed 1997·Granted Oct 10, 2000·29 cites·4 claims
- 0564US8233504B2Receiver set, information apparatus and receiving systemAKAMATSU CHIYO·Filed 2007·Granted Jul 31, 2012·1 cites·12 claims
- 0662US7257132B1Receiver set, information apparatus and receiving systemHITACHI LTD·Filed 1999·Granted Aug 14, 2007·19 cites·17 claims
- 0761US9661363B2Receiver set, information apparatus and receiving systemHITACHI MAXELL·Filed 2014·Granted May 23, 2017·0 cites·3 claims
- 0859US6728765B2Information device, information device system control method, and information device systemHITACHI LTD·Filed 2001·Granted Apr 27, 2004·3 cites·7 claims
- 0956US8326129B2Method of using AV devices and AV device systemAKAMATSU CHIYO·Filed 2008·Granted Dec 4, 2012·0 cites·9 claims
- 1055US7333717B2Method of using AV devices and AV device systemHITACHI LTD·Filed 2003·Granted Feb 19, 2008·2 cites·19 claims
- 1154US9240897B2Method of using AV devices and AV device systemHITACHI MAXELL·Filed 2012·Granted Jan 19, 2016·0 cites·4 claims
- 1254US8856819B2Receiver set, information apparatus and receiving systemAKAMATSU CHIYO·Filed 2012·Granted Oct 7, 2014·0 cites·6 claims
- 1351US7136910B2Information device, information device system control method, and information device systemHITACHI LTD·Filed 2004·Granted Nov 14, 2006·1 cites·3 claims
- 1449US6487589B1Information device, information device system control method, and information device systemHITACHI LTD·Filed 1999·Granted Nov 26, 2002·21 cites·14 claims
- 1542US5867281AElectronic mail system and methodHITACHI LTD·Filed 1995·Granted Feb 2, 1999·41 cites·24 claims
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