Inventor
USUI FUMIAKI
JP18 patents
⚠️ This page may combine multiple inventors who share the name “USUI FUMIAKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CANON KK
15 patentsUS5745300AApr 28, 1998
Zoom lens of the inner focus type
CANON KK29 citations92
US5737128AApr 7, 1998
Zoom lens device with inner focusing method
CANON KK23 citations92
US6545818B2Apr 8, 2003
Zoom lens and camera system
CANON KK21 citations91
US6825990B2Nov 30, 2004
Zoom lens and image pickup apparatus
CANON KK17 citations83
US6342974B1Jan 29, 2002
Zoom lens and photographing apparatus
CANON KK16 citations83
US6124982ASep 26, 2000
Zoom lens
CANON KK19 citations83
US5086338AFeb 4, 1992
Color television camera optical system adjusting for chromatic aberration
CANON KK19 citations81
US5515204AMay 7, 1996
Zoom lens wherein at least a portion of the zoom lens moves for focusing
CANON KK8 citations74
US6560016B2May 6, 2003
Zoom lens and photographing apparatus using the same
CANON KK10 citations73
US5995296ANov 30, 1999
Zoom lens
CANON KK8 citations73
US5986820ANov 16, 1999
Zoom lens of the inner focus type
CANON KK9 citations73
US5751497AMay 12, 1998
Zoom lens
CANON KK8 citations72
US5583700ADec 10, 1996
Zoom lens
CANON KK14 citations72
US7379674B2May 27, 2008
Optical transmission device
CANON KK2 citations62
US5995297ANov 30, 1999
Zoom lens
CANON KK4 citations62