-
-
-
-
-
-
-
-
-
-
-
-
-
Zoom lens system
-
Patent number 7,088,521
-
Issue date Aug 8, 2006
-
Canon Kabushiki Kaisha
-
Hiroyuki Hamano
-
G02 - OPTICS
-
-
-
Reflecting type optical system
-
Patent number 6,785,060
-
Issue date Aug 31, 2004
-
Canon Kabushiki Kaisha
-
Kenichi Kimura
-
H04 - ELECTRIC COMMUNICATION TECHNIQUE
-
-
-
Reflecting type of zoom lens
-
Patent number 6,639,729
-
Issue date Oct 28, 2003
-
Canon Kabushiki Kaisha
-
Tsunefumi Tanaka
-
H04 - ELECTRIC COMMUNICATION TECHNIQUE
-
Reflecting type of zoom lens
-
Patent number 6,636,360
-
Issue date Oct 21, 2003
-
Canon Kabushiki Kaisha
-
Tsunefumi Tanaka
-
H04 - ELECTRIC COMMUNICATION TECHNIQUE
-
-
-
-
Optical apparatus
-
Patent number 6,426,841
-
Issue date Jul 30, 2002
-
Canon Kabushiki Kaisha
-
Keisuke Araki
-
G02 - OPTICS
-
-
-
Optical apparatus
-
Patent number 6,301,064
-
Issue date Oct 9, 2001
-
Canon Kabushiki Kaisha
-
Keisuke Araki
-
G02 - OPTICS
-
-
-