Inventor · disambiguated record
Fumiaki Usui
Also filed as: USUI FUMIAKI
18 granted patents·213 citations·filing 1989–2012
94Inventor score
Top patents by PatentIndex Score
18 records- 0178US8488253B2Zoom lens and image pickup apparatus including the sameWAKAZONO TSUYOSHI·Filed 2012·Granted Jul 16, 2013·4 cites·5 claims
- 0278US6545818B2Zoom lens and camera systemCANON KK·Filed 2000·Granted Apr 8, 2003·21 cites·11 claims
- 0375US6825990B2Zoom lens and image pickup apparatusCANON KK·Filed 2003·Granted Nov 30, 2004·17 cites·7 claims
- 0474US6342974B1Zoom lens and photographing apparatusCANON KK·Filed 2000·Granted Jan 29, 2002·16 cites·8 claims
- 0569US5745300AZoom lens of the inner focus typeCANON KK·Filed 1997·Granted Apr 28, 1998·29 cites·13 claims
- 0666US6560016B2Zoom lens and photographing apparatus using the sameCANON KK·Filed 2001·Granted May 6, 2003·10 cites·19 claims
- 0765US8767313B2Zoom lens and image pickup apparatus including the sameSHIMOMURA KAZUYA·Filed 2012·Granted Jul 1, 2014·2 cites·9 claims
- 0865US5086338AColor television camera optical system adjusting for chromatic aberrationCANON KK·Filed 1989·Granted Feb 4, 1992·19 cites·16 claims
- 0959US5737128AZoom lens device with inner focusing methodCANON KK·Filed 1996·Granted Apr 7, 1998·23 cites·20 claims
- 1055US6124982AZoom lensCANON KK·Filed 1998·Granted Sep 26, 2000·19 cites·7 claims
- 1151US5583700AZoom lensCANON KK·Filed 1994·Granted Dec 10, 1996·14 cites·4 claims
- 1250US7379674B2Optical transmission deviceCANON KK·Filed 2004·Granted May 27, 2008·2 cites·10 claims
- 1346US8670185B2Zoom lens and image pickup apparatus including the sameWAKAZONO TSUYOSHI·Filed 2012·Granted Mar 11, 2014·0 cites·5 claims
- 1444US5986820AZoom lens of the inner focus typeCANON KK·Filed 1998·Granted Nov 16, 1999·9 cites·4 claims
- 1541US5751497AZoom lensCANON KK·Filed 1996·Granted May 12, 1998·8 cites·4 claims
- 1640US5515204AZoom lens wherein at least a portion of the zoom lens moves for focusingCANON KK·Filed 1994·Granted May 7, 1996·8 cites·6 claims
- 1739US5995296AZoom lensCANON KK·Filed 1998·Granted Nov 30, 1999·8 cites·6 claims
- 1833US5995297AZoom lensCANON KK·Filed 1998·Granted Nov 30, 1999·4 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →