Inventor · disambiguated record
Keiko Takahara
Also filed as: TAKAHARA KEIKO
16 granted patents·1 pending application·1,247 citations·filing 1994–2010
94Inventor score
Files withHITACHI LTD17
Top patents by PatentIndex Score
17 records- 0199US5604737AVoice communication system and voice communication methodHITACHI LTD·Filed 1994·Granted Feb 18, 1997·517 cites·21 claims
- 0296US5528284AVideo communication method having refresh function of coding sequence and terminal devices thereofHITACHI LTD·Filed 1994·Granted Jun 18, 1996·230 cites·21 claims
- 0391US5477542AMethod and appartus for controlling multimedia information communicationHITACHI LTD·Filed 1994·Granted Dec 19, 1995·120 cites·14 claims
- 0490US6078583ACommunication method and communication systemHITACHI LTD·Filed 1997·Granted Jun 20, 2000·193 cites·14 claims
- 0573US6240085B1Voice communication system and voice communication methodHITACHI LTD·Filed 1996·Granted May 29, 2001·43 cites·20 claims
- 0664US7167467B2Voice communication system and voice communication methodHITACHI LTD·Filed 2001·Granted Jan 23, 2007·4 cites·10 claims
- 0757US7738447B2Voice communication system and voice communication methodHITACHI LTD·Filed 2007·Granted Jun 15, 2010·0 cites·74 claims
- 0856US7920550B2Voice communication system and voice communication methodHITACHI LTD·Filed 2007·Granted Apr 5, 2011·0 cites·7 claims
- 0956US7808976B2Voice communication system and voice communication methodHITACHI LTD·Filed 2007·Granted Oct 5, 2010·0 cites·23 claims
- 1056US7724730B2Voice communication system and voice communication methodHITACHI LTD·Filed 2007·Granted May 25, 2010·0 cites·18 claims
- 1156US7724729B2Voice communication system and voice communication methodHITACHI LTD·Filed 2007·Granted May 25, 2010·0 cites·6 claims
- 1256US5905495ACommunication system using electronic mailHITACHI LTD·Filed 1997·Granted May 18, 1999·96 cites·4 claims
- 1355US7756117B2Voice communication system and voice communication methodHITACHI LTD·Filed 2007·Granted Jul 13, 2010·0 cites·12 claims
- 1454US2011013622A1Voice communication system and voice communication methodHITACHI LTD·Filed 2010·Application pending·0 cites
- 1553US7502363B2Voice communication system and voice communication methodHITACHI LTD·Filed 2005·Granted Mar 10, 2009·0 cites·6 claims
- 1643US5856825AImage voice synchronized multimedia mail system and method thereofHITACHI LTD·Filed 1995·Granted Jan 5, 1999·39 cites·2 claims
- 1733US5832217ACommunication system distributing packets according to commands acquired form packets and filtering real time requests from the accepted requests and processing the realtime requests selected by the filterHITACHI LTD·Filed 1996·Granted Nov 3, 1998·5 cites·72 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →