Yukio Maekawa

Person

Osaka, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Driving system with elastically supporting units
- Patent number 6,397,008
- Issue date May 28, 2002
- Minolta Co., Ltd.
- Minoru Kuwana
- G02 - OPTICS
Information Patent Grant
Binocular system with automatic diopter power adjustment
- Patent number 5,572,361
- Issue date Nov 5, 1996
- Minolta Camera Kabushiki Kaisha
- Makoto Kamiya
- G02 - OPTICS
Information Patent Grant
Zoom lens system
- Patent number 5,543,970
- Issue date Aug 6, 1996
- Minolta Camera Kabushiki Kaisha
- Kazuyoshi Hata
- G02 - OPTICS
Information Patent Grant
Zoom camera
- Patent number 5,122,825
- Issue date Jun 16, 1992
- Minolta Camera Kabushiki Kaisha
- Hisashi Tokumaru
- G02 - OPTICS
Information Patent Grant
Zoom camera
- Patent number 4,951,075
- Issue date Aug 21, 1990
- Minolta Camera Kabushiki Kaisha
- Hisashi Tokumaru
- G02 - OPTICS
Information Patent Grant
Device for measuring object distance used for camera
- Patent number 4,943,824
- Issue date Jul 24, 1990
- Minolta Camera Kabushiki Kaisha
- Takayuki Nabeshima
- G02 - OPTICS
Information Patent Grant
Focus detecting device
- Patent number 4,878,079
- Issue date Oct 31, 1989
- Minolta Camera Kabushiki Kaisha
- Masataka Hamada
- G02 - OPTICS
Information Patent Grant
Mount arrangement and interchangeable lens unit for photographic ca...
- Patent number 4,864,341
- Issue date Sep 5, 1989
- Minolta Camera Kabushiki Kaisha
- Yukio Maekawa
- G02 - OPTICS
Information Patent Grant
Focus detecting device
- Patent number 4,768,052
- Issue date Aug 30, 1988
- Minolta Camera Kabushiki Kaisha
- Masataka Hamada
- G02 - OPTICS
Information Patent Grant
Mount arrangement and interchangeable lens unit for photographic ca...
- Patent number 4,748,467
- Issue date May 31, 1988
- Minolta Camera Kabushiki Kaisha
- Yukio Maekawa
- G02 - OPTICS
Information Patent Grant
Positioning mechanism for positioning auxiliary optical device rela...
- Patent number 4,712,871
- Issue date Dec 15, 1987
- Minolta Camera Kabushiki Kaisha
- Junichi Tanii
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Bayonet mount arrangement
- Patent number 4,659,203
- Issue date Apr 21, 1987
- Minolta Camera Kabushiki Kaisha
- Masatake Niwa
- G02 - OPTICS
Information Patent Grant
Exchangeable lens which exchanges electrical signals with a camera...
- Patent number 4,637,704
- Issue date Jan 20, 1987
- Minolta Camera Kabushiki Kaisha
- Toshihiko Ishimura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Mount arrangement and interchangeable lens unit for photographic ca...
- Patent number 4,620,780
- Issue date Nov 4, 1986
- Minolta Camera Kabushiki Kaisha
- Yukio Maekawa
- G02 - OPTICS
Information Patent Grant
Mount arrangement and interchangeable lens unit for photographic ca...
- Patent number 4,536,071
- Issue date Aug 20, 1985
- Yukio Maekawa
- G02 - OPTICS
Information Patent Grant
Automatic focusing arrangement for changing the focus driving direc...
- Patent number 4,483,603
- Issue date Nov 20, 1984
- Minolta Camera Kabushiki Kaisha
- Tsuneyo Metabi
- G02 - OPTICS
Information Patent Grant
Compact optical lens barrel mechanism
- Patent number 4,154,511
- Issue date May 15, 1979
- Minolta Camera Kabushiki Kaisha
- Yukio Maekawa
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
Driving system with elastically supporting units
- Publication number 20010004420
- Publication date Jun 21, 2001
- MINOLTA CO., LTD.
- Minoru Kuwana
- G02 - OPTICS

Yukio Maekawa

Person

Patents Grantslast 30 patents

Driving system with elastically supporting units

Binocular system with automatic diopter power adjustment

Zoom lens system

Zoom camera

Zoom camera

Device for measuring object distance used for camera

Focus detecting device

Mount arrangement and interchangeable lens unit for photographic ca...

Focus detecting device

Mount arrangement and interchangeable lens unit for photographic ca...

Positioning mechanism for positioning auxiliary optical device rela...

Bayonet mount arrangement

Exchangeable lens which exchanges electrical signals with a camera...

Mount arrangement and interchangeable lens unit for photographic ca...

Mount arrangement and interchangeable lens unit for photographic ca...

Automatic focusing arrangement for changing the focus driving direc...

Compact optical lens barrel mechanism

Patents Applicationslast 30 patents

Driving system with elastically supporting units