Atsuhiro Ohkawa

Person

Kanagawa, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Liquid crystal compound comprising two condensed and substituted rings
- Patent number 7,534,475
- Issue date May 19, 2009
- Fujifilm Corporation
- Hideyuki Nishikawa
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Liquid crystalline compound, liquid crystalline composition and ret...
- Patent number 7,534,371
- Issue date May 19, 2009
- Fujifilm Corporation
- Hideyuki Nishikawa
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Liquid crystalline compound, liquid crystalline composition and ret...
- Patent number 7,364,670
- Issue date Apr 29, 2008
- Fujifilm Corporation
- Hideyuki Nishikawa
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Optically anisotropic element comprising discotic compound
- Patent number 7,314,654
- Issue date Jan 1, 2008
- Fujifilm Corporation
- Shigeki Uehira
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Optically anisotropic element comprising discotic compound
- Patent number 7,273,641
- Issue date Sep 25, 2007
- Fujifilm Corporation
- Michitaka Matsuumi
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Liquid crystal composition, polymerization product, retardation pla...
- Patent number 7,250,116
- Issue date Jul 31, 2007
- Fujifilm Corporation
- Hideyuki Nishikawa
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Retardation film and compound
- Patent number 7,175,889
- Issue date Feb 13, 2007
- Fuji Photo Film Co., Ltd.
- Atsuhiro Ohkawa
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Liquid crystalline compound, liquid crystalline composition and ret...
- Patent number 7,169,325
- Issue date Jan 30, 2007
- Fuji Photo Film Co., Ltd.
- Hideyuki Nishikawa
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Compound, retardation plate and method for forming optically anisot...
- Patent number 7,153,548
- Issue date Dec 26, 2006
- Fuji Photo Film Co., Ltd.
- Hideyuki Nishikawa
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Optical film comprising support and polarizing layer
- Patent number 7,128,953
- Issue date Oct 31, 2006
- Fuji Photo Film Co., Ltd.
- Atsuhiro Ohkawa
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Image-forming material and novel sulfonic acid ester derivative
- Patent number 6,562,542
- Issue date May 13, 2003
- Fuji Photo Film Co., Ltd.
- Atsuhiro Ohkawa
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Image-recording medium containing self-developing leuco dye
- Patent number 6,432,876
- Issue date Aug 13, 2002
- Fuji Photo Film Co., Ltd.
- Tatsuhiko Obayashi
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Method of forming images and material for image formation
- Patent number 6,409,328
- Issue date Jun 25, 2002
- Fuji Photo Film Co., Ltd.
- Atsuhiro Ohkawa
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Image recording medium, image recording method and heat coloring po...
- Patent number 6,329,121
- Issue date Dec 11, 2001
- Fuji Photo Film Co., Ltd.
- Tatsuhiko Obayashi
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Image recording medium, image recording method and heat coloring po...
- Patent number 6,329,120
- Issue date Dec 11, 2001
- Fuji Photo Film Co., Ltd.
- Tatsuhiko Obayashi
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Image recording medium comprising compound generating acid by actio...
- Patent number 6,316,161
- Issue date Nov 13, 2001
- Fuji Photo Film Co., Ltd.
- Tatsuhiko Obayashi
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Image recording medium and image recording method
- Patent number 6,203,964
- Issue date Mar 20, 2001
- Fuji Photo Film Co., Ltd.
- Tatsuhiko Obayashi
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Heat-sensitive recording material
- Patent number 6,197,725
- Issue date Mar 6, 2001
- Fuji Photo Film Co., Ltd.
- Atsuhiro Ohkawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Leuco dye and image recording medium containing the same
- Patent number 6,143,480
- Issue date Nov 7, 2000
- Fuji Photo Film Co., Ltd.
- Tatsuhiko Obayashi
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Image recording medium, image recording method and heat coloring po...
- Patent number 6,100,009
- Issue date Aug 8, 2000
- Fuji Photo Film Co., Ltd.
- Tatsuhiko Obayashi
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Photo- and heat-sensitive recording material and colorant produced...
- Patent number 6,060,206
- Issue date May 9, 2000
- Fuji Photo Film Co., Ltd.
- Koichi Hanaki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Heat developable light-sensitive material and method of forming col...
- Patent number 6,051,359
- Issue date Apr 18, 2000
- Fuji Photo Film Co., Ltd.
- Atsuhiro Ohkawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Silver halide color photographic photosensitive material
- Patent number 5,837,438
- Issue date Nov 17, 1998
- Fuji Photo Film, Co., Ltd.
- Atsuhiro Ohkawa
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Color diffusion transfer photographic material
- Patent number 5,665,529
- Issue date Sep 9, 1997
- Fuji Photo Film Co., Ltd.
- Atsuhiro Ohkawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Silver halide color photographic light-sensitive material containin...
- Patent number 5,547,824
- Issue date Aug 20, 1996
- Fuji Photo Film Co., Ltd.
- Keiji Mihayashi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Silver halide photographic material containing a coupler capable of...
- Patent number 5,529,894
- Issue date Jun 25, 1996
- Fuji Photo Film Co., Ltd.
- Keiji Mihayashi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Silver halide color photographic light-sensitive material containin...
- Patent number 5,514,529
- Issue date May 7, 1996
- Fuji Photo Film Co., Ltd.
- Keiji Mihayashi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Silver halide color photographic photosensitive materials
- Patent number 5,498,513
- Issue date Mar 12, 1996
- Fuji Photo Film Co., Ltd.
- Keiji Mihayashi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Color diffusion transfer element with benzenesulfonamide
- Patent number 5,496,680
- Issue date Mar 5, 1996
- Fuji Photo Film Co., Ltd.
- Atsuhiro Ohkawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Silver halide photographic material and imidazole derivatives
- Patent number 5,447,833
- Issue date Sep 5, 1995
- Fuji Photo Film Co., Ltd.
- Masuji Motoki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
Liquid crystalline compound, liquid crystalline composition and ret...
- Publication number 20080169448
- Publication date Jul 17, 2008
- FUJIFILM Corporation
- Hideyuki Nishikawa
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Liquid crystal compound comprising two condensed and substituted rings
- Publication number 20070176145
- Publication date Aug 2, 2007
- Fuji Photo Film Co., Ltd.
- Hideyuki Nishikawa
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
Optically anisotropic element comprising discotic compound
- Publication number 20050181144
- Publication date Aug 18, 2005
- Fuji Photo Film Co., Ltd.
- Michitaka Matsuumi
- G02 - OPTICS
Information Patent Application
Optically anisotropic element comprsing discotic compound
- Publication number 20050163941
- Publication date Jul 28, 2005
- FUJI PHOTO FILM CO., LTD.
- Shigeki Uehira
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
Liquid crystalline compound, liquid crystalline composition and ret...
- Publication number 20050056811
- Publication date Mar 17, 2005
- FUJI PHOTO FILM CO., LTD.
- Hideyuki Nishikawa
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Liquid crystalline compound, liquid crystalline composition and ret...
- Publication number 20050012071
- Publication date Jan 20, 2005
- FUJI PHOTO FILM CO., LTD.
- Hideyuki Nishikawa
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
Retardation film and elliptically polarizing film
- Publication number 20040219305
- Publication date Nov 4, 2004
- Fuji Photo Film Co., Ltd.
- Hideyuki Nishikawa
- G02 - OPTICS
Information Patent Application
Retardation film and compound
- Publication number 20040185186
- Publication date Sep 23, 2004
- FUJI PHOTO FILM CO., LTD.
- Atsuhiro Ohkawa
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
Liquid crystal composition, polymerization product, ratardation pla...
- Publication number 20040178387
- Publication date Sep 16, 2004
- FUJI PHOTO FILM CO., LTD.
- Hideyuki Nishikawa
- G02 - OPTICS
Information Patent Application
Compound, retardation plate and method for forming optically anisot...
- Publication number 20040142116
- Publication date Jul 22, 2004
- Fuji Photo Film Co., Ltd.
- Hideyuki Nishikawa
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
Optical film comprising support and polarizing layer
- Publication number 20030011725
- Publication date Jan 16, 2003
- Atsuhiro Ohkawa
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
Image-forming material and novel sulfonic acid ester derivative
- Publication number 20020037480
- Publication date Mar 28, 2002
- Atsuhiro Ohkawa
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Application
Image recording medium, image recording method and heat coloring po...
- Publication number 20010016297
- Publication date Aug 23, 2001
- Tatsuhiko Obayashi
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS

Atsuhiro Ohkawa

Person

Patents Grantslast 30 patents

Liquid crystal compound comprising two condensed and substituted rings

Liquid crystalline compound, liquid crystalline composition and ret...

Liquid crystalline compound, liquid crystalline composition and ret...

Optically anisotropic element comprising discotic compound

Optically anisotropic element comprising discotic compound

Liquid crystal composition, polymerization product, retardation pla...

Retardation film and compound

Liquid crystalline compound, liquid crystalline composition and ret...

Compound, retardation plate and method for forming optically anisot...

Optical film comprising support and polarizing layer

Image-forming material and novel sulfonic acid ester derivative

Image-recording medium containing self-developing leuco dye

Method of forming images and material for image formation

Image recording medium, image recording method and heat coloring po...

Image recording medium, image recording method and heat coloring po...

Image recording medium comprising compound generating acid by actio...

Image recording medium and image recording method

Heat-sensitive recording material

Leuco dye and image recording medium containing the same

Image recording medium, image recording method and heat coloring po...

Photo- and heat-sensitive recording material and colorant produced...

Heat developable light-sensitive material and method of forming col...

Silver halide color photographic photosensitive material

Color diffusion transfer photographic material

Silver halide color photographic light-sensitive material containin...

Silver halide photographic material containing a coupler capable of...

Silver halide color photographic light-sensitive material containin...

Silver halide color photographic photosensitive materials

Color diffusion transfer element with benzenesulfonamide

Silver halide photographic material and imidazole derivatives

Patents Applicationslast 30 patents

Liquid crystalline compound, liquid crystalline composition and ret...

Liquid crystal compound comprising two condensed and substituted rings

Optically anisotropic element comprising discotic compound

Optically anisotropic element comprsing discotic compound

Liquid crystalline compound, liquid crystalline composition and ret...

Liquid crystalline compound, liquid crystalline composition and ret...

Retardation film and elliptically polarizing film

Retardation film and compound

Liquid crystal composition, polymerization product, ratardation pla...

Compound, retardation plate and method for forming optically anisot...

Optical film comprising support and polarizing layer

Image-forming material and novel sulfonic acid ester derivative

Image recording medium, image recording method and heat coloring po...