Masao Totsuka

Person

Ohmiya, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Flat panel display device and manufacturing of the same
- Patent number 4,878,086
- Issue date Oct 31, 1989
- Canon Kabushiki Kaisha
- Junji Isohata
- G02 - OPTICS
Information Patent Grant
Projection exposure apparatus
- Patent number 4,834,540
- Issue date May 30, 1989
- Canon Kabushiki Kaisha
- Masao Totsuka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Projection exposure apparatus
- Patent number 4,814,829
- Issue date Mar 21, 1989
- Canon Kabushiki Kaisha
- Masao Kosugi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Flat panel display device and manufacturing of the same
- Patent number 4,814,830
- Issue date Mar 21, 1989
- Canon Kabushiki Kaisha
- Junji Isohata
- G02 - OPTICS
Information Patent Grant
Aligning apparatus
- Patent number 4,659,228
- Issue date Apr 21, 1987
- Canon Kabushiki Kaisha
- Masao Totsuka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Contact exposure apparatus
- Patent number 4,651,009
- Issue date Mar 17, 1987
- Canon Kabushiki Kaisha
- Masao Totsuka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Signal detection apparatus with plural elongate beams corresponding
- Patent number 4,611,122
- Issue date Sep 9, 1986
- Canon Kabushiki Kaisha
- Shigeki Nakano
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Contacting method and apparatus in contact copying
- Patent number 4,576,475
- Issue date Mar 18, 1986
- Canon Kabushiki Kaisha
- Takahiro Kitagawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Alignment apparatus for mask and wafer used in manufacturing semico...
- Patent number 4,315,201
- Issue date Feb 9, 1982
- Canon Kabushiki Kaisha
- Akiyoshi Suzuki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Masao Totsuka

Person

Patents Grantslast 30 patents

Flat panel display device and manufacturing of the same

Projection exposure apparatus

Projection exposure apparatus

Flat panel display device and manufacturing of the same

Aligning apparatus

Contact exposure apparatus

Signal detection apparatus with plural elongate beams corresponding

Contacting method and apparatus in contact copying

Alignment apparatus for mask and wafer used in manufacturing semico...