Inventor · disambiguated record
Hirofumi Sakurai
Also filed as: SAKURAI HIROFUMI
5 granted patents·8 pending applications·258 citations·filing 1993–2015
81Inventor score
Top patents by PatentIndex Score
13 records- 0191US5987460ADocument retrieval-assisting method and system for the same and document retrieval service using the same with document frequency and term frequencyHITACHI LTD·Filed 1997·Granted Nov 16, 1999·223 cites·24 claims
- 0251US5501583ATurbo vacuum pumpHITACHI LTD·Filed 1994·Granted Mar 26, 1996·18 cites·8 claims
- 0346US7679679B2Synchronous detectorNEC ELECTRONICS CORP·Filed 2005·Granted Mar 16, 2010·0 cites·20 claims
- 0445US2015153508A1Light source device and display deviceTOSHIBA KK·Filed 2014·Application pending·0 cites
- 0545US2014204309A1Electronic apparatusTOSHIBA KK·Filed 2013·Application pending·0 cites
- 0644US2014055507A1Backlight unit and video display apparatus using the sameTOSHIBA KK·Filed 2013·Application pending·0 cites
- 0742US2014103822A1Electronic apparatusTOSHIBA KK·Filed 2013·Application pending·0 cites
- 0842US2013258248A1Backlight device, liquid crystal module, and liquid crystal display apparatusTOSHIBA KK·Filed 2013·Application pending·0 cites
- 0941US2014185317A1Back light unit and image display device using the sameTOSHIBA KK·Filed 2013·Application pending·0 cites
- 1040US5380171ATurbo vacuum pumpHITACHI LTD·Filed 1993·Granted Jan 10, 1995·9 cites·10 claims
- 1138US2004244016A1Optical pickup head, optical pickup head manufacturing method, and optical pickup deviceTOSHIBA KK·Filed 2004·Application pending·0 cites
- 1235US6304118B1Synchronous circuit having circuit for detecting phase error at center of reference signalNEC CORP·Filed 1998·Granted Oct 16, 2001·8 cites·3 claims
- 1333US2016088292A1Electronic apparatus, video system and eyeglass deviceTOSHIBA KK·Filed 2015·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →