Katsuyuki Ohta

Person

Atsugi-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Multilayered photosensitive material for flexographic printing plate
- Patent number 6,897,006
- Issue date May 24, 2005
- Tokyo Ohka Kogyo Co., Ltd.
- Takashi Fujimoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Photosensitive resin composition containing a triazine compound and...
- Patent number 6,010,824
- Issue date Jan 4, 2000
- Tokyo Ohka Kogyo Co., Ltd.
- Hiroshi Komano
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Process for the production of printing plates
- Patent number 5,645,974
- Issue date Jul 8, 1997
- Tokyo Ohka Kogyo, K.K.
- Katsuyuki Ohta
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Photopolymerizable compositions
- Patent number 5,541,038
- Issue date Jul 30, 1996
- Ciba-Geigy Corporation
- Katsuyuki Ohta
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Photosensitive resin composition used in a method for forming a lig...
- Patent number 5,498,498
- Issue date Mar 12, 1996
- Tokyo Ohka Kogyo Co., Ltd.
- Kiyoshi Uchikawa
- G02 - OPTICS
Information Patent Grant
Photosensitive resin composition for use as a light-shielding film...
- Patent number 5,368,991
- Issue date Nov 29, 1994
- Tokyo Ohka Kogyo Co., Ltd.
- Kiyoshi Uchikawa
- G02 - OPTICS
Information Patent Grant
Water based photopolymerizable resin composition
- Patent number 4,933,260
- Issue date Jun 12, 1990
- Tokyo Ohka Kogyo Co., Ltd.
- Naoya Katsumata
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Photosensitive resin composition containing diazodiphenylamine-alde...
- Patent number 4,304,832
- Issue date Dec 8, 1981
- Tokyo Ohka Kogyo Kabushiki Kaisha
- Katsuyuki Ohta
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
Multilayered photosensitive material for flexographic printing plate
- Publication number 20010053498
- Publication date Dec 20, 2001
- Takashi Fujimoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Katsuyuki Ohta

Person

Patents Grantslast 30 patents

Multilayered photosensitive material for flexographic printing plate

Photosensitive resin composition containing a triazine compound and...

Process for the production of printing plates

Photopolymerizable compositions

Photosensitive resin composition used in a method for forming a lig...

Photosensitive resin composition for use as a light-shielding film...

Water based photopolymerizable resin composition

Photosensitive resin composition containing diazodiphenylamine-alde...

Patents Applicationslast 30 patents

Multilayered photosensitive material for flexographic printing plate