Yasumasa Sugihara

Person

Sakai, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Image observation apparatus
- Patent number 7,030,838
- Issue date Apr 18, 2006
- Minolta Co., Ltd.
- Kenji Ishibashi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Image viewing system and image display device
- Patent number 6,215,461
- Issue date Apr 10, 2001
- Minolta Co., Ltd.
- Kenji Ishibashi
- G02 - OPTICS
Information Patent Grant
Stereoscopic system with convergence and dioptric power adjustments...
- Patent number 5,978,015
- Issue date Nov 2, 1999
- Minolta Co., Ltd.
- Kenji Ishibashi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image display apparatus having a display controlled by user's head...
- Patent number 5,905,525
- Issue date May 18, 1999
- Minolta Co., Ltd.
- Kenji Ishibashi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Image display apparatus
- Patent number 5,841,409
- Issue date Nov 24, 1998
- Minolta Co., Ltd.
- Kenji Ishibashi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Compact telescope
- Patent number 5,729,384
- Issue date Mar 17, 1998
- Minolta Co., Ltd.
- Kiyoshi Nishitani
- G02 - OPTICS
Information Patent Grant
Binoculars with extraction of a portion of light rays
- Patent number 5,706,129
- Issue date Jan 6, 1998
- Minolta Co., Ltd.
- Masato Kato
- G02 - OPTICS
Information Patent Grant
Photo-taking lens temperature compensation system
- Patent number 5,679,946
- Issue date Oct 21, 1997
- Minolta Co., Ltd.
- Hiromu Mukai
- G02 - OPTICS
Information Patent Grant
Self-housing binocular
- Patent number 5,640,271
- Issue date Jun 17, 1997
- Minolta Co., Ltd.
- Kiyoshi Nishitani
- G02 - OPTICS
Information Patent Grant
Finder optical system
- Patent number 5,194,886
- Issue date Mar 16, 1993
- Minolta Camera Kabushiki Kaisha
- Hiromu Mukai
- G02 - OPTICS
Information Patent Grant
Finder optical system
- Patent number 5,182,672
- Issue date Jan 26, 1993
- Minolta Camera Co., Ltd.
- Hiromu Mukai
- G02 - OPTICS

Yasumasa Sugihara

Person

Patents Grantslast 30 patents

Image observation apparatus

Image viewing system and image display device

Stereoscopic system with convergence and dioptric power adjustments...

Image display apparatus having a display controlled by user's head...

Image display apparatus

Compact telescope

Binoculars with extraction of a portion of light rays

Photo-taking lens temperature compensation system

Self-housing binocular

Finder optical system

Finder optical system