Hiroaki Yokoya

Person

Shizuoka-ken, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Method for forming a dampening-waterless lithographic plate and met...
- Patent number 6,613,496
- Issue date Sep 2, 2003
- Fuji Photo Film Co., Ltd.
- Toshifumi Inno
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Waterless planographic printing plate and method of plate making us...
- Patent number 5,955,238
- Issue date Sep 21, 1999
- Fuji Photo Film Co., Ltd.
- Hiroaki Yokoya
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Method of making a waterless lithographic printing plate
- Patent number 5,849,464
- Issue date Dec 15, 1998
- Fuji Photo Film Co., Ltd.
- Hiroaki Yokoya
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Image recording materials
- Patent number 5,840,467
- Issue date Nov 24, 1998
- Fuji Photo Film Co., Ltd.
- Katsuji Kitatani
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Negative image-recording material comprising an acrylic resin, a di...
- Patent number 5,741,619
- Issue date Apr 21, 1998
- Fuji Photo Film Co., Ltd.
- Keitaro Aoshima
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Formation of lithographic printing plate requiring no fountain solu...
- Patent number 5,721,087
- Issue date Feb 24, 1998
- Fuji Photo Film Co., Ltd.
- Hiroaki Yokoya
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Image forming method using strippable layer and light-sensitive pol...
- Patent number 5,714,303
- Issue date Feb 3, 1998
- Fuji Photo Film Co., Ltd.
- Hiroaki Yokoya
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming method using strippable layer and light-sensitive pol...
- Patent number 5,612,167
- Issue date Mar 18, 1997
- Fuji Photo Film Co., Ltd.
- Hiroaki Yokoya
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Printing plate for electrophotographic type plate making
- Patent number 5,582,942
- Issue date Dec 10, 1996
- Fuji Photo Film Co., Ltd.
- Hiroaki Yokoya
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Silver halide light-sensitive material containing base precursor an...
- Patent number 5,554,482
- Issue date Sep 10, 1996
- Fuji Photo Film Co., Ltd.
- Hiroaki Yokoya
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic printing plate precursor
- Patent number 5,426,012
- Issue date Jun 20, 1995
- Fuji Photo Film Co., Ltd.
- Hiroaki Yokoya
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming method including heat development while covering surf...
- Patent number 5,397,676
- Issue date Mar 14, 1995
- Fuji Photo Film Co., Ltd.
- Hiroaki Yokoya
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Color image forming method using silver halide, reducing agent, pol...
- Patent number 5,328,800
- Issue date Jul 12, 1994
- Fuji Photo Film Co., Ltd.
- Hiroaki Yokoya
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming method and light-sensitive material using silver hali...
- Patent number 5,326,667
- Issue date Jul 5, 1994
- Fuji Photo Film Co., Ltd.
- Hiroaki Yokoya
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming method using silver halide, reducing agent and polyme...
- Patent number 5,304,454
- Issue date Apr 19, 1994
- Fuji Photo Film Co., Ltd.
- Hiroaki Yokoya
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic printing plate precursor and photosensitive lit...
- Patent number 5,208,126
- Issue date May 4, 1993
- Fuji Photo Film Co., Ltd.
- Hiromichi Tachikawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic photoreceptor and electrophotographic printing...
- Patent number 5,102,760
- Issue date Apr 7, 1992
- Fuji Photo Film Co., Ltd.
- Hiroaki Yokoya
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Electrophotographic type printing plate precursor
- Patent number 5,079,116
- Issue date Jan 7, 1992
- Fuji Photo Film Co., Ltd.
- Hiromich Tachikawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic printing plate precursor containing alkali-solu...
- Patent number 5,069,992
- Issue date Dec 3, 1991
- Fuji Photo Film Co., Ltd.
- Hiromichi Tachikawa
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Electrophotographic printing plate precursor
- Patent number 5,063,129
- Issue date Nov 5, 1991
- Fuji Photo Film Co., Ltd.
- Hiroaki Yokoya
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Method for oil-densensitization treatment of lithographic printing...
- Patent number 5,051,327
- Issue date Sep 24, 1991
- Fuji Photo Film Co., Ltd.
- Sadao Osawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic photoreceptor containing phthalocyanine
- Patent number 5,035,969
- Issue date Jul 30, 1991
- Fuji Photo Film Co., Ltd.
- Syunichi Kondo
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic liquid developers containing positively charged...
- Patent number 5,015,551
- Issue date May 14, 1991
- Fuji Photo Film Co., Ltd.
- Hiromichi Tachikawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Printing plate precursors for electrophotographic plate-making purp...
- Patent number 5,006,433
- Issue date Apr 9, 1991
- Fuji Photo Film Co., Ltd.
- Hiroaki Yokoya
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic printing plate
- Patent number 4,985,323
- Issue date Jan 15, 1991
- Fuji Photo Film Co., Ltd.
- Hiroaki Yokoya
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic printing plate containing thiopyrylium salt com...
- Patent number 4,910,109
- Issue date Mar 20, 1990
- Fuji Photo Film Co., Ltd.
- Hiroaki Yokoya
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Transparent electrophotographic photoreceptor comprising specific h...
- Patent number 4,800,146
- Issue date Jan 24, 1989
- Fuji Photo Film Co., Ltd.
- Hiroaki Yokoya
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Liquid developer for electrostatic charge image
- Patent number 4,734,351
- Issue date Mar 29, 1988
- Fuji Photo Film Co., Ltd.
- Katsuji Kitatani
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Process for preparation of charge-regulatory agent and liquid devel...
- Patent number 4,719,165
- Issue date Jan 12, 1988
- Fuji Photo Film Co., Ltd.
- Katsugi Kitatani
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic photoreceptor comprises diarylamine photoconduc...
- Patent number 4,708,922
- Issue date Nov 24, 1987
- Fuji Photo Film Co., Ltd.
- Hiroaki Yokoya
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Hiroaki Yokoya

Person

Patents Grantslast 30 patents

Method for forming a dampening-waterless lithographic plate and met...

Waterless planographic printing plate and method of plate making us...

Method of making a waterless lithographic printing plate

Image recording materials

Negative image-recording material comprising an acrylic resin, a di...

Formation of lithographic printing plate requiring no fountain solu...

Image forming method using strippable layer and light-sensitive pol...

Image forming method using strippable layer and light-sensitive pol...

Printing plate for electrophotographic type plate making

Silver halide light-sensitive material containing base precursor an...

Electrophotographic printing plate precursor

Image forming method including heat development while covering surf...

Color image forming method using silver halide, reducing agent, pol...

Image forming method and light-sensitive material using silver hali...

Image forming method using silver halide, reducing agent and polyme...

Electrophotographic printing plate precursor and photosensitive lit...

Electrophotographic photoreceptor and electrophotographic printing...

Electrophotographic type printing plate precursor

Electrophotographic printing plate precursor containing alkali-solu...

Electrophotographic printing plate precursor

Method for oil-densensitization treatment of lithographic printing...

Electrophotographic photoreceptor containing phthalocyanine

Electrophotographic liquid developers containing positively charged...

Printing plate precursors for electrophotographic plate-making purp...

Electrophotographic printing plate

Electrophotographic printing plate containing thiopyrylium salt com...

Transparent electrophotographic photoreceptor comprising specific h...

Liquid developer for electrostatic charge image

Process for preparation of charge-regulatory agent and liquid devel...

Electrophotographic photoreceptor comprises diarylamine photoconduc...