Inventor
Yasuhiro Ishiwata
Inventor
Minami-ashigara, JP
Overview
Patents· 37 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C09Bprimary
C09BOrganic dyes or closely-related compounds for producing dyes, e.g. pigments15%
G02BOptical elements, systems or apparatus11%
G03CPhotosensitive materials for photographic purposes10%
C07DHeterocyclic compounds8%
C09KMaterials for miscellaneous applications, not provided for elsewhere7%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein7%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds6%
C07CAcyclic or carbocyclic compounds5%
A61KPreparations for medical, dental or toiletry purposes4%
A61QSpecific use of cosmetics or similar toiletry preparations4%
PatentTitleYear
10,875,950Coloring composition, cured film, color filter, method for manufacturing color filter, solid-state imaging device, image display device, and polymer202010,351,526Coloring curable resin composition, cured film, color filter, method for manufacturing color filter, solid-state imaging device, image display device, compound, and cation20199,720,319'Colored composition, cured film, color filter, method for manufacturing color filter, solid-state imaging element, image display device, and compound'20179,493,705'Polymerizable liquid crystal compound, polymerizable composition, polymer material, and film'20169,481,830'Cholesteric liquid crystal mixture, film, selective reflective plate, laminate, laminated glass'20169,481,829'Compound, haze-lowering agent, liquid crystal composition, polymer material, and film'20169,482,924'Colored composition and image display structure'20169,335,538'Electrowetting display device and dye composition for electrowetting display'20169,256,062'Electrowetting display apparatus and dye composition for electrowetting display'20169,075,281'Colored composition and image display structure'20159,068,290'Coloring composition for inkjet textile printing, textile printing method, and fabric'20158,771,810'Polymerizable composition, polymer, and film'20148,765,235'Polymerizable compound'20148,741,508'Colored curable composition, color resist, ink-jet ink, color filter and method for producing the same, solid-state image pickup device, image display device, liquid crystal display, organic el display, and colorant compound and tautomer thereof'20148,582,199'Electrophoretic composition, microcapsule and electrophoretic display device'20138,361,345'Compound, polymerizable liquid crystal composition, polymer and film'20138,262,931'Polymerizable liquid crystal compound, polymerizable liquid crystal composition, polymer and film'20127,947,815'Diazenyl isothiazolo[3,4-B]pyridines as dyes'20117,896,931'Hair dye composition'20117,662,193'Hair dye composition'20107,651,538'Hair dye composition'20107,629,459'Azo dye compound'20097,476,261'Hair dye composition'20097,358,344'Azo dye'20087,220,857'Azo dye compound'20077,060,424'Method of increasing speed of silver halide color photosensitive material'20066,989,439'Color developing agent, azo dye, silver halide photographic light-sensitive material, and image-forming method'20066,555,691'Color developing agent, azo dye, silver halide photographic light-sensitive material, and image-forming method'20036,495,304'Color-developing agent, silver halide photographic light-sensitive material and image-forming method'20026,277,994'Color-developing agent, silver halide photographic light-sensitive material and image-forming method'20016,238,856'Silver halide color photographic material and image-forming method'20016,127,088'Heat developable color light-sensitive material'20006,124,084'Silver halide photographic light-sensitive material'20005,665,529'Color diffusion transfer photographic material'19975,643,709'Thermal transfer recording material'19975,585,231'Heat developable color light-sensitive material with pyrazolotriazole containing dye'19965,543,279'Silver halide light-sensitive material'1996Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1996–2006Patents assigned to FUJI PHOTO FILM CO LTD (12)· patent assignee history
1996–2015Based in Kanagawa, JP· patent location history
2001–2013Based in Minami-ashigara, JP· patent location history
2007–2020Patents assigned to FUJIFILM CORP (25)· patent assignee history
2009–2011Patents assigned to KAO CORP (4)· patent assignee history
2012–2014Patents assigned to ISHIWATA YASUHIRO (3)· patent assignee history
2012–2013Patents assigned to ICHIHASHI MITSUYOSHI (2)· patent assignee history
2014–2016Based in Ashigarakami-gun, JP· patent location history
2014–2016Based in Shizuoka, JP· patent location history
2016–2020Based in Fujinomiya, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| FUJIFILM CORP | 25 | 2007–2020 |
| FUJI PHOTO FILM CO LTD | 12 | 1996–2006 |
| KAO CORP | 4 | 2009–2011 |
| ISHIWATA YASUHIROself | 3 | 2012–2014 |
| ICHIHASHI MITSUYOSHI | 2 | 2012–2013 |
Locations
| Location | Patents | Span |
|---|---|---|
| Minami-ashigara, JP | 13 | 2001–2013 |
| Kanagawa, JP | 11 | 1996–2015 |
| Fujinomiya, JP | 5 | 2016–2020 |
| Ashigarakami-gun, JP | 5 | 2014–2016 |
| Shizuoka, JP | 3 | 2014–2016 |