Inventor · disambiguated record
Masahiko Tsuzuki
Also filed as: TSUZUKI MASAHIKO
13 granted patents·2 pending applications·222 citations·filing 1994–2023
92Inventor score
Top patents by PatentIndex Score
15 records- 0186US5689746AAmount-of-light adjusting deviceCANON KK·Filed 1994·Granted Nov 18, 1997·58 cites·27 claims
- 0282US6819500B2Lens device including orthogonally driven blur compensation lens actuators and axially driven lens actuator, and optical equipment using sameCANON KK·Filed 2003·Granted Nov 16, 2004·26 cites·5 claims
- 0381US7199945B2Lens apparatus and optical apparatus equipped with sameCANON KK·Filed 2005·Granted Apr 3, 2007·7 cites·9 claims
- 0475US6467975B1Quantity-of-light adjusting device and optical apparatus having the sameCANON KK·Filed 2000·Granted Oct 22, 2002·11 cites·16 claims
- 0573US9386205B2Optical apparatusCANON KK·Filed 2014·Granted Jul 5, 2016·2 cites·22 claims
- 0671US7038859B2Lens barrel and imaging deviceCANON KK·Filed 2004·Granted May 2, 2006·13 cites·7 claims
- 0770US6086267AQuantity-of-light adjusting device using base and blade apertures for light quality controlCANON KK·Filed 1999·Granted Jul 11, 2000·30 cites·12 claims
- 0868US5812189AVideo camera apparatusCANON KK·Filed 1995·Granted Sep 22, 1998·37 cites·20 claims
- 0965US6350068B1Quantity-of-light adjusting device and optical apparatus having the sameCANON KK·Filed 2000·Granted Feb 26, 2002·5 cites·17 claims
- 1056US8861103B2Lens driving apparatus and optical apparatus having the sameTSUZUKI MASAHIKO·Filed 2012·Granted Oct 14, 2014·1 cites·12 claims
- 1155US2023314619A1Lens holding mechanism, optical apparatus, control system, and moving apparatusCANON KK·Filed 2023·Application pending·0 cites
- 1253US6670989B2Optical system driving control device and camera using the sameCANON KK·Filed 1998·Granted Dec 30, 2003·18 cites·13 claims
- 1351US2022137213A1Light emitting apparatus and optical apparatusCANON KK·Filed 2022·Application pending·0 cites
- 1449US6292308B1Lens barrelCANON KK·Filed 1997·Granted Sep 18, 2001·14 cites·31 claims
- 1547US7839578B2Optical apparatusCANON KK·Filed 2009·Granted Nov 23, 2010·0 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →