-
-
-
-
-
-
-
-
Compact zoom lens
-
Patent number 5,011,272
-
Issue date Apr 30, 1991
-
Canon Kabushiki Kaisha
-
Hiroki Nakayama
-
G02 - OPTICS
-
-
Image-forming lens
-
Patent number 4,964,703
-
Issue date Oct 23, 1990
-
Canon Kabushiki Kaishi
-
Shigeyuki Suda
-
G02 - OPTICS
-
-
-
Gradient index lens
-
Patent number 4,848,882
-
Issue date Jul 18, 1989
-
Canon Kabushiki Kaisha
-
Masayuki Suzuki
-
G02 - OPTICS
-
-
-
-
-
Focusing lens
-
Patent number 4,755,039
-
Issue date Jul 5, 1988
-
Canon Kabushiki Kaisha
-
Jun Hattori
-
G02 - OPTICS
-
Zoom lens
-
Patent number 4,749,265
-
Issue date Jun 7, 1988
-
Canon Kabushiki Kaisha
-
Jun Hattori
-
G02 - OPTICS
-
-
-
Gradient index lens
-
Patent number 4,674,843
-
Issue date Jun 23, 1987
-
Canon Kabushiki Kaisha
-
Takeshi Baba
-
G02 - OPTICS
-
-
Zoom lens
-
Patent number 4,571,033
-
Issue date Feb 18, 1986
-
Canon Kabushiki Kaisha
-
Masatake Kato
-
G02 - OPTICS