Inventor · disambiguated record
Hiroyuki Torii
Also filed as: TORII HIROYUKI
11 granted patents·56 citations·filing 1989–2021
88Inventor score
Top patents by PatentIndex Score
11 records- 0179US8131721B2Information retrieval method, information retrieval apparatus, and computer productKATAOKA MASAHIRO·Filed 2009·Granted Mar 6, 2012·10 cites·8 claims
- 0275US5978546ADigital/analog compatible video tape recorderHITACHI LTD·Filed 1996·Granted Nov 2, 1999·21 cites·21 claims
- 0367US9081874B2Information retrieval method, information retrieval apparatus, and computer productKATAOKA MASAHIRO·Filed 2011·Granted Jul 14, 2015·2 cites·8 claims
- 0454US7263272B2Digital/analog compatible video tape recorderHITACHI LTD·Filed 2004·Granted Aug 28, 2007·1 cites·5 claims
- 0551US6519006B1Image aspect ratio converting apparatusJAPAN BROADCASTING CORP·Filed 2000·Granted Feb 11, 2003·4 cites·5 claims
- 0650US5075803ASignal discriminating device for vtr having expanded dynamic rangeHITACHI LTD·Filed 1989·Granted Dec 24, 1991·11 cites·8 claims
- 0745US6798979B2Digital/analog compatible video tape recorderHITACHI LTD·Filed 2001·Granted Sep 28, 2004·0 cites·18 claims
- 0840US10594485B2System, method, program, and recording medium storing program for authenticationISAO CORP·Filed 2019·Granted Mar 17, 2020·0 cites·26 claims
- 0939US11691693B2Front sprocket assembly for human-powered vehicleSHIMANO KK·Filed 2021·Granted Jul 4, 2023·0 cites·16 claims
- 1039US6272285B1Digital/analog compatible video tape recorderHITACHI LTD·Filed 1999·Granted Aug 7, 2001·3 cites·22 claims
- 1133US5432612AMulti-mode video signal playback and display deviceFiled 1990·Granted Jul 11, 1995·4 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →