Inventor

OKADA HISASHI

JP102 patents

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

OKADA HISASHI

FUJI PHOTO FILM CO LTD

Heterocyclic compounds, materials for light emitting devices and light emitting devices using the same

Material for luminescence element and luminescence element using the same

Heterocyclic compounds, materials for light emitting devices and light emitting devices using the same

Organic electroluminescence device material and organic electroluminescence device using the same

Recording material

Light-emitting device and material therefor

Materials for light emitting devices and light emitting devices using the same

Organic electroluminescence element material and organic electroluminescence element comprising same

Nitrogen-containing heterocyclic compound, organic light-emitting device material and organic light-emitting device

Organic electroluminescent element material and organic electroluminescent element employing the same

Heat-developable photographic light-sensitive material

Processing composition for silver halide color photographic material and processing process including that composition

Silver halide photographic material

Process for forming super high contrast negative images

Silver halide photographic material

Superhigh contrast negative-type silver halide photographic material

Light emitting element and azole compound

Light-emitting device

Photothermographic material

Photothermographic material, novel 2,3-dihydrothiazole derivative, and photographic silver halide photosensitive material

Photothermographic material

Photothermographic materials

Photographic processing using a novel chelating complex

Method for forming a high contrast negative image

Materials for light emitting devices consisting of novel compounds and light emitting devices using the same

Methine compound, material for organic luminescence element, and organic luminescence element using the same

Heterocyclic compounds, materials for light emitting devices and light emitting devices using the same

Methine compound, material for organic luminescence element, organic luminescence element using the same

Organic luminescent device material, organic luminescent device using the same, and tetraarylmethane compound

Polyhalomethane compound and photosensitive material

Processing composition for silver halide photographic material and processing method using same

Photographic processing composition and processing method

Method for processing silver halide color photographic material using composition having a bleaching ability

Method of processing silver halide color photographic material and photographic bleach-fixing composition

Photographic bleaching composition and a processing method therewith

Processing composition for silver halide color photographic material and processing method

Silver halide photographic materials

Silver halide photographic material

Silver halide photographic material

Silver halide photographic materials

Processing compositions for silver halide color photographic materials and method for processing the same materials

Photographic processing composition and bleaching or bleach-fixing method

Direct positive silver halide photosensitive material and method for forming direct positive image

FUJIFILM CORP

Light emitting element and azole compound

Organic electroluminescent element having a luminescent layer and a buffer layer adjacent thereto

Light-emitting element and iridium complex

Light emitting element and azole compound

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD

Processes for producing graphite blocks from graphitizable organic polymers and process for carbonizing graphitizable polymer films

SANYO ELECTRIC CO

Projection display with direct light source cooling means

KAWASAKI HEAVY IND LTD

Mast space of helicopter, driving power transmission device of helicopter including mast spacer, and helicopter