Sadatoshi Takahashi

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Small-sized camera
- Patent number 5,253,005
- Issue date Oct 12, 1993
- Canon Kabushiki Kaisha
- Takeshi Koyama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Zoom lens
- Patent number 5,144,488
- Issue date Sep 1, 1992
- Canon Kabushiki Kaisha
- Hiroshi Endo
- G02 - OPTICS
Information Patent Grant
Wide-angle type zoom lens having inner-focus lens
- Patent number 5,000,550
- Issue date Mar 19, 1991
- Canon Kabushiki Kaisha
- Sadatoshi Takahashi
- G02 - OPTICS
Information Patent Grant
Camera having telescopic capability
- Patent number 4,949,107
- Issue date Aug 14, 1990
- Canon Kabushiki Kaisha
- Nozomu Kitagishi
- G02 - OPTICS
Information Patent Grant
Zoom lens of high power varying ratio
- Patent number 4,896,950
- Issue date Jan 30, 1990
- Canon Kabushiki Kaisha
- Hiroshi Endo
- G02 - OPTICS
Information Patent Grant
Zoom lens capable of selecting a focal length beyond a standard foc...
- Patent number 4,865,434
- Issue date Sep 12, 1989
- Canon Kabushiki Kaisha
- Takashi Matsushita
- G02 - OPTICS
Information Patent Grant
Telephoto lens of large aperture ratio
- Patent number 4,852,984
- Issue date Aug 1, 1989
- Canon Kabushiki Kaisha
- Sadatoshi Takahashi
- G02 - OPTICS
Information Patent Grant
Zoom lens capable of obtaining focal lengths beyond a variable foca...
- Patent number 4,830,477
- Issue date May 16, 1989
- Canon Kabushiki Kaisha
- Sadatoshi Takahashi
- G02 - OPTICS
Information Patent Grant
Zoom lens
- Patent number 4,810,072
- Issue date Mar 7, 1989
- Canon Kabushiki Kaisha
- Sadatoshi Takahashi
- G02 - OPTICS
Information Patent Grant
Zoom lens having a capability of introducing special features into...
- Patent number 4,781,446
- Issue date Nov 1, 1988
- Canon Kabushiki Kaisha
- Tsunefumi Tanaka
- G02 - OPTICS
Information Patent Grant
Compact zoom lens having a large aperture and good aberation correc...
- Patent number 4,749,266
- Issue date Jun 7, 1988
- Canon Kabushiki Kaisha
- Sadatoshi Takahashi
- G02 - OPTICS
Information Patent Grant
High magnification range zoom lens
- Patent number 4,720,180
- Issue date Jan 19, 1988
- Canon Kabushiki Kaisha
- Toshiaki Asano
- G02 - OPTICS
Information Patent Grant
High relative aperture Gauss type lens
- Patent number 4,717,245
- Issue date Jan 5, 1988
- Canon Kabushiki Kaisha
- Sadatoshi Takahashi
- G02 - OPTICS
Information Patent Grant
Zoom lens able to obtain focal lengths beyond the zooming range
- Patent number 4,711,534
- Issue date Dec 8, 1987
- Canon Kabushiki Kaisha
- Takashi Matsushita
- G02 - OPTICS
Information Patent Grant
Zoom lens having a large zoom ratio
- Patent number 4,696,553
- Issue date Sep 29, 1987
- Canon Kabushiki Kaisha
- Sadahiko Tsuji
- G02 - OPTICS
Information Patent Grant
High range zoom lens
- Patent number 4,695,133
- Issue date Sep 22, 1987
- Canon Kabushiki Kaisha
- Nozomu Kitagishi
- G02 - OPTICS
Information Patent Grant
Wide angle high range zoom lens
- Patent number 4,690,513
- Issue date Sep 1, 1987
- Canon Kabushiki Kaisha
- Sadatoshi Takahashi
- G02 - OPTICS
Information Patent Grant
Zoom lens system
- Patent number 4,687,303
- Issue date Aug 18, 1987
- Canon Kabushiki Kaisha
- Sadatoshi Takahashi
- G02 - OPTICS
Information Patent Grant
Compact zoom lens
- Patent number 4,666,257
- Issue date May 19, 1987
- Canon Kabushiki Kaisha
- Tsunefumi Tanaka
- G02 - OPTICS
Information Patent Grant
Zoom lens using elements made of plastic materials
- Patent number 4,659,187
- Issue date Apr 21, 1987
- Canon Kabushiki Kaisha
- Sadahiko Tsuji
- G02 - OPTICS
Information Patent Grant
Zoom lens
- Patent number 4,653,874
- Issue date Mar 31, 1987
- Canon Kabushiki Kaisha
- Sadatoshi Takahashi
- G02 - OPTICS
Information Patent Grant
High range zoom lens
- Patent number 4,639,096
- Issue date Jan 27, 1987
- Canon Kabushiki Kaisha
- Nozomu Kitagishi
- G02 - OPTICS
Information Patent Grant
Zoom lens
- Patent number 4,629,294
- Issue date Dec 16, 1986
- Canon Kabushiki Kaisha
- Tsunefumi Tanaka
- G02 - OPTICS
Information Patent Grant
Uniform speed scanning lens having a high resolving power
- Patent number 4,527,858
- Issue date Jul 9, 1985
- Canon Kabushiki Kaisha
- Sadatoshi Takahashi
- G02 - OPTICS
Information Patent Grant
Zoom objective
- Patent number 4,515,446
- Issue date May 7, 1985
- Canon Kabushiki Kaisha
- Sadatoshi Takahashi
- G02 - OPTICS

Sadatoshi Takahashi

Person

Patents Grantslast 30 patents

Small-sized camera

Zoom lens

Wide-angle type zoom lens having inner-focus lens

Camera having telescopic capability

Zoom lens of high power varying ratio

Zoom lens capable of selecting a focal length beyond a standard foc...

Telephoto lens of large aperture ratio

Zoom lens capable of obtaining focal lengths beyond a variable foca...

Zoom lens

Zoom lens having a capability of introducing special features into...

Compact zoom lens having a large aperture and good aberation correc...

High magnification range zoom lens

High relative aperture Gauss type lens

Zoom lens able to obtain focal lengths beyond the zooming range

Zoom lens having a large zoom ratio

High range zoom lens

Wide angle high range zoom lens

Zoom lens system

Compact zoom lens

Zoom lens using elements made of plastic materials

Zoom lens

High range zoom lens

Zoom lens

Uniform speed scanning lens having a high resolving power

Zoom objective