Inventor · disambiguated record
Takuji Umezu
Also filed as: UMEZU TAKUJI
9 granted patents·24 citations·filing 2003–2013
82Inventor score
Top patents by PatentIndex Score
9 records- 0184US7154682B2Optical apparatusCANON KK·Filed 2005·Granted Dec 26, 2006·8 cites·10 claims
- 0279US7460775B2Optical apparatus including efficiently arranged shake correction meansCANON KK·Filed 2005·Granted Dec 2, 2008·7 cites·6 claims
- 0368US7253976B2Optical apparatusCANON KK·Filed 2006·Granted Aug 7, 2007·2 cites·1 claims
- 0466US8437094B2Lens barrel with optical filter and optical apparatus having the sameUMEZU TAKUJI·Filed 2011·Granted May 7, 2013·2 cites·3 claims
- 0565US8120865B2Image degradation prevention optical apparatusUMEZU TAKUJI·Filed 2007·Granted Feb 21, 2012·5 cites·10 claims
- 0651US8957980B2Image pickup apparatusCANON KK·Filed 2013·Granted Feb 17, 2015·0 cites·9 claims
- 0744US9804407B2Image shake correction apparatus having exposed damping member and installation region of damping member overlapping with ball or sphere contact surface in an optical axis directionCANON KK·Filed 2013·Granted Oct 31, 2017·0 cites·7 claims
- 0843US7477313B2Light-quantity adjusting apparatus, optical apparatus, and cameraCANON KK·Filed 2003·Granted Jan 13, 2009·0 cites·6 claims
- 0938US8634138B2Lens barrel and optical apparatus including the sameUMEZU TAKUJI·Filed 2011·Granted Jan 21, 2014·0 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →