Inventor
TSUZUKI MASAHIKO
JP13 patents
⚠️ This page may combine multiple inventors who share the name “TSUZUKI MASAHIKO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CANON KK
12 patentsUS5689746ANov 18, 1997
Amount-of-light adjusting device
CANON KK58 citations96
US6819500B2Nov 16, 2004
Lens device including orthogonally driven blur compensation lens actuators and axially driven lens actuator, and optical equipment using same
CANON KK26 citations92
US6086267AJul 11, 2000
Quantity-of-light adjusting device using base and blade apertures for light quality control
CANON KK30 citations92
US5812189ASep 22, 1998
Video camera apparatus
CANON KK37 citations91
US7038859B2May 2, 2006
Lens barrel and imaging device
CANON KK13 citations83
US6670989B2Dec 30, 2003
Optical system driving control device and camera using the same
CANON KK18 citations83
US7199945B2Apr 3, 2007
Lens apparatus and optical apparatus equipped with same
CANON KK7 citations73
US6467975B1Oct 22, 2002
Quantity-of-light adjusting device and optical apparatus having the same
CANON KK11 citations73
US6350068B1Feb 26, 2002
Quantity-of-light adjusting device and optical apparatus having the same
CANON KK5 citations73
US6292308B1Sep 18, 2001
Lens barrel
CANON KK14 citations73
US9386205B2Jul 5, 2016
Optical apparatus
CANON KK2 citations62
US7839578B2Nov 23, 2010
Optical apparatus
CANON KK0 citations41