Inventor · disambiguated record
Toshihiko Nakajima
Also filed as: NAKAJIMA TOSHIHIKO
10 granted patents·2 pending applications·154 citations·filing 1980–2023
89Inventor score
Top patents by PatentIndex Score
12 records- 0192US4356437AControl circuit for DC motorsHITACHI LTD·Filed 1980·Granted Oct 26, 1982·49 cites·15 claims
- 0288US6594547B2Baggage managing system in airportHUDSON SOFT CO LTD·Filed 2001·Granted Jul 15, 2003·57 cites·21 claims
- 0364US5659400AInformation signal recording device for recording main information signal with index signal for rapidly and accurately searching main information signalCANON KK·Filed 1995·Granted Aug 19, 1997·18 cites·7 claims
- 0454US2002040347A1Digital contents data generating systemFiled 2001·Application pending·0 cites
- 0549US5793561ARotary drum assembly having dynamic-pressure generating mechanism between rotary shaft and bearingCANON KK·Filed 1995·Granted Aug 11, 1998·12 cites·20 claims
- 0646US7443429B2Disk recording apparatus, calculating the predicted time until recording is completed on a disk-shaped recording mediumCANON KK·Filed 2004·Granted Oct 28, 2008·0 cites·2 claims
- 0746US5220475ARotary head drum unit with grooves or protrusions on a stationary drum for lessening tape contact during rewindingCANON KK·Filed 1990·Granted Jun 15, 1993·6 cites·17 claims
- 0845US2025280220A1Headphones and carrying caseSONY GROUP CORP·Filed 2023·Application pending·0 cites
- 0943US5107380ARotary head type recording or reproducing apparatus detecting the slack of the recording mediumCANON KK·Filed 1989·Granted Apr 21, 1992·5 cites·6 claims
- 1037US6134067ACassette device for using cassettes with and without a second recording medium in the cassetteCANON KK·Filed 1996·Granted Oct 17, 2000·3 cites·57 claims
- 1137US5483401ARotary head drum having a connecting member for providing electrical conductionCANON KK·Filed 1994·Granted Jan 9, 1996·3 cites·16 claims
- 1232US6188834B1Device and method for recording and reproducing image informationCANON KK·Filed 1997·Granted Feb 13, 2001·1 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →