Inventor · disambiguated record
Kiyokazu Otsuka
Also filed as: OTSUKA KIYOKAZU
7 granted patents·3 pending applications·258 citations·filing 1994–2020
86Inventor score
Top patents by PatentIndex Score
10 records- 0181US6330448B1Handover arrangement for mobile station moving across the boundary of wireless cell-site stations of adjacent PBXsNEC CORP·Filed 1999·Granted Dec 11, 2001·113 cites·6 claims
- 0276US5670950APrivate communications network system and method of authentication for a mobile station used in private communications networksNEC CORP·Filed 1995·Granted Sep 23, 1997·97 cites·4 claims
- 0357US2010239752A1Color Matching Test Piece and repair painting methodAIOI INSURANCE CO LTD·Filed 2007·Application pending·0 cites
- 0452US6931000B2Internal line control systemNEC CORP·Filed 2000·Granted Aug 16, 2005·1 cites·15 claims
- 0550US6370393B1Private branch exchangeNEC CORP·Filed 1999·Granted Apr 9, 2002·15 cites·6 claims
- 0648US2005275506A1Optimization of routing operation in contact center serverNEC CORP·Filed 2005·Application pending·0 cites
- 0744US2003016807A1Voice CODEC designating systemNEC CORP·Filed 2002·Application pending·0 cites
- 0843US6571108B1Private branch mobile communication system and methodNEC CORP·Filed 1999·Granted May 27, 2003·21 cites·8 claims
- 0942US5515034ASimple communication system capable of message broadcastingNEC CORP·Filed 1994·Granted May 7, 1996·11 cites·7 claims
- 1036US12056779B2Reception system, reception method, and programNEC PLATFORMS LTD·Filed 2020·Granted Aug 6, 2024·0 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →