Inventor · disambiguated record
Tomoyuki Ohtani
Also filed as: OHTANI TOMOYUKI
15 granted patents·1 pending application·170 citations·filing 1997–2010
94Inventor score
Files withNTT DOCOMO INC7NIPPON TELEGRAPH & TELEPHONE4OHTANI TOMOYUKI3FUJITSU LTD1NTT MOBILE COMUNICATIONS NETWO1
Top patents by PatentIndex Score
16 records- 0182US7570950B2Mobile communication system, mobile station and diversity handover branch control methodNTT DOCOMO INC·Filed 2006·Granted Aug 4, 2009·6 cites·4 claims
- 0281US7403489B2Frame synchronization circuitNIPPON TELEGRAPH & TELEPHONE·Filed 2007·Granted Jul 22, 2008·6 cites·18 claims
- 0381US7289809B2Mobile communication system, mobile station and diversity handover branch control methodNTT DOCOMO INC·Filed 2006·Granted Oct 30, 2007·6 cites·4 claims
- 0478US7362715B2Frame synchronization circuitNTT MOBILE COMUNICATIONS NETWO·Filed 2005·Granted Apr 22, 2008·8 cites·24 claims
- 0575US6807420B2Mobile communication system, mobile station and diversity handover branch control methodNTT DOCOMO INC·Filed 2003·Granted Oct 19, 2004·14 cites·1 claims
- 0674US6470188B1Method for handoverNIPPON TELEGRAPH & TELEPHONE·Filed 1997·Granted Oct 22, 2002·52 cites·12 claims
- 0771US6591104B2Method for handoverNIPPON TELEGRAPH & TELEPHONE·Filed 2002·Granted Jul 8, 2003·11 cites·2 claims
- 0869US7873014B2Mobile communication system, mobile station and diversity handover branch control methodNTT DOCOMO INC·Filed 2007·Granted Jan 18, 2011·2 cites·7 claims
- 0968US6728227B1Mobile radio communication system, mobile station, and method for controlling diversity hand-over branchNTT DOCOMO INC·Filed 1998·Granted Apr 27, 2004·25 cites·6 claims
- 1067US7403777B2Mobile communication system, mobile station and diversity handover branch control methodNTT DOCOMO INC·Filed 2004·Granted Jul 22, 2008·8 cites·6 claims
- 1158US2004111280A1Method of providing vehicle information and vehicle information providing programFUJITSU LTD·Filed 2002·Application pending·0 cites
- 1256US8090373B2Center for a mobile communication system performing diversity handoverOHTANI TOMOYUKI·Filed 2010·Granted Jan 3, 2012·0 cites·2 claims
- 1354USRE43296EMobile communication system, mobile station and diversity handover branch control methodOHTANI TOMOYUKI·Filed 2009·Granted Apr 3, 2012·0 cites·4 claims
- 1453US6977903B1Frame synchronization circuitNIPPON TELEGRAPH & TELEPHONE·Filed 1997·Granted Dec 20, 2005·20 cites·53 claims
- 1552US8064908B2Mobile communication system and mobile station performing diversity handoverOHTANI TOMOYUKI·Filed 2008·Granted Nov 22, 2011·0 cites·6 claims
- 1637US7010302B1Packet transmission method, packet transmission system and packet data transmission medium on mobile communications network systemNTT DOCOMO INC·Filed 1999·Granted Mar 7, 2006·12 cites·2 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →