Inventor

OHKAWA ATSUHIRO

JP41 patents

⚠️ This page may combine multiple inventors who share the name “OHKAWA ATSUHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

OHKAWA ATSUHIRO

FUJI PHOTO FILM CO LTD

Image recording medium, image recording method and heat coloring polymer compound

Leuco dye and image recording medium containing the same

Heat developable light-sensitive material and method of forming color images

4&#39;-alkoxy-2,2&#39;:6&#39;,2&#34;-terpyridine derivatives

Liquid crystalline compound, liquid crystalline composition and retardation film

Heat-sensitive recording material

Image recording medium, image recording method and heat coloring polymer compound

Photo- and heat-sensitive recording material and colorant produced from the material

Optical film comprising support and polarizing layer

Method of forming images and material for image formation

Image recording medium, image recording method and heat coloring polymer compound

Silver halide color photographic light-sensitive material containing chemically sensitized grains and pug compound

4&#39;-alkoxy-2,2&#39;:6&#39;,2&#34;-terpyridine derivatives and metal complexes thereof

Retardation film and compound

Silver halide color photographic material comprising a yellow-colored cyan coupler

Compound, retardation plate and method for forming optically anisotropic layer

Image-forming material and novel sulfonic acid ester derivative

Image-recording medium containing self-developing leuco dye

Image recording medium comprising compound generating acid by action of heat, acid or light

Silver halide photographic material containing a coupler capable of releasing a plurality of photographically useful groups or precursors thereof

Silver halide color photographic photosensitive materials

Silver halide photographic material and imidazole derivatives

Silver halide color photographic light-sensitive material, and method or processing the same

Silver halide photographic material containing a DIR compound

Silver halide photographic materials

Silver halide color photographic light-sensitive material

Silver halide color photographic light-sensitive material, and method of processing the same

Silver halide color photographic material

Silver halide photographic material containing a dye precursor residue

Image recording medium and image recording method

Silver halide color photographic photosensitive material

Silver halide color photographic light-sensitive material containing compounds capable of releasing photographically useful groups and a specific silver iodobromide

Color diffusion transfer photographic material

Process of synthesizing acetals

Color diffusion transfer element with benzenesulfonamide

FUJIFILM CORP

Liquid crystalline compound, liquid crystalline composition and retardation film

Liquid crystalline compound, liquid crystalline composition and retardation film

Liquid crystal composition, polymerization product, retardation plate and ellipsoidally polarizing plate

Liquid crystal compound comprising two condensed and substituted rings

Optically anisotropic element comprising discotic compound

Optically anisotropic element comprising discotic compound

4'-alkoxy-2,2':6',2"-terpyridine derivatives

4'-alkoxy-2,2':6',2"-terpyridine derivatives and metal complexes thereof