Inventor · disambiguated record
Katsumi Nihei
Also filed as: NIHEI KATSUMI
7 granted patents·1 pending application·190 citations·filing 1995–2008
87Inventor score
Top patents by PatentIndex Score
8 records- 0186US6785538B2Communication system, communication method, and storage medium storing communication program for mobile device usersNEC CORP·Filed 2001·Granted Aug 31, 2004·49 cites·33 claims
- 0283US7337456B1Advertisement method, advertisement apparatus, advertisement receiver and recording mediumNEC CORP·Filed 2000·Granted Feb 26, 2008·38 cites·4 claims
- 0371US6208987B1Hierarchically structured indexed information retrieval systemNEC CORP·Filed 1998·Granted Mar 27, 2001·70 cites·8 claims
- 0460US8301594B2Context providing method, system, and apparatusNIHEI KATSUMI·Filed 2008·Granted Oct 30, 2012·3 cites·20 claims
- 0555US6684325B1Method and system for automatically setting an operational mode of a computer device based on received or detected environmental informationNEC CORP·Filed 2000·Granted Jan 27, 2004·4 cites·19 claims
- 0655US6470337B1Information retrieval system using a hierarchical index for narrowing a retrieval result and its method and storing medium with information retrieval program stored thereinNEC CORP·Filed 1999·Granted Oct 22, 2002·21 cites·21 claims
- 0745US2005222999A1Context providing method, system, and apparatusNEC CORP·Filed 2005·Application pending·0 cites
- 0834US5819253ADatabase retrieval system having a plurality of independent input modes for database retrieval conditionsNEC CORP·Filed 1995·Granted Oct 6, 1998·5 cites·16 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →