Masahiro Usui

Person

Nagaokakyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Color projection type display apparatus having three liquid display...
- Patent number 5,691,785
- Issue date Nov 25, 1997
- Mitsubishi Denki Kabushiki Kaisha
- Masahiro Usui
- G02 - OPTICS
Information Patent Grant
Color projection type display apparatus having three liquid crystal...
- Patent number 5,570,209
- Issue date Oct 29, 1996
- Mitsubishi Denki Kabushiki Kaisha
- Masahiro Usui
- G02 - OPTICS
Information Patent Grant
Convergence displacement correcting device for projection-type imag...
- Patent number 5,473,391
- Issue date Dec 5, 1995
- Mitsubishi Denki Kabushiki Kaisha
- Masahiro Usui
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Projection display apparatus, and light guide tube/light valve for...
- Patent number 5,321,789
- Issue date Jun 14, 1994
- Mitsubishi Denki Kabushiki Kaisha
- Hiroshi Kida
- G02 - OPTICS
Information Patent Grant
Projection-type display device having light source means including...
- Patent number 5,142,387
- Issue date Aug 25, 1992
- Mitsubishi Denki Kabushiki Kaisha
- Shinsuke Shikama
- G02 - OPTICS
Information Patent Grant
Projection color display apparatus
- Patent number 5,135,300
- Issue date Aug 4, 1992
- Mitsubishi Denki Kabushiki Kaisha
- Eiichi Toide
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Projection display device
- Patent number 5,123,729
- Issue date Jun 23, 1992
- Mitsubishi Denki Kabushiki Kaisha
- Mitsushige Kondo
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Masahiro Usui

Person

Patents Grantslast 30 patents

Color projection type display apparatus having three liquid display...

Color projection type display apparatus having three liquid crystal...

Convergence displacement correcting device for projection-type imag...

Projection display apparatus, and light guide tube/light valve for...

Projection-type display device having light source means including...

Projection color display apparatus

Projection display device