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Hirosada Morishita
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Hitachi, JP
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last 30 patents
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Patent Grant
White ink composition for ink-jet printing
Patent number
4,680,058
Issue date
Jul 14, 1987
Hitachi, Ltd.
Ryuichi Shimizu
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Composite type photosensitive member having metal-free phthalocyani...
Patent number
4,619,879
Issue date
Oct 28, 1986
Hitachi, Ltd.
Atsushi Kakuta
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Thermosetting resin composition comprising (1) dicyanamide, (2) pol...
Patent number
4,546,168
Issue date
Oct 8, 1985
Hitachi, Ltd.
Akio Takahashi
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Multi-layer printed circuit board and process for production thereof
Patent number
4,526,835
Issue date
Jul 2, 1985
Hitachi, Ltd.
Akio Takahashi
B32 - LAYERED PRODUCTS
Information
Patent Grant
Electrophotographic recording medium containing .tau. and .eta. met...
Patent number
4,507,374
Issue date
Mar 26, 1985
Hitachi, Ltd.
Atsushi Kakuta
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Guest-host type liquid crystal composition and liquid crystal displ...
Patent number
4,495,083
Issue date
Jan 22, 1985
Hitachi, Ltd.
Shuji Imazeki
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Heat-resistant resin from aromatic cyanamide compound and aromatic...
Patent number
4,486,583
Issue date
Dec 4, 1984
Hitachi, Ltd.
Akio Takahashi
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Thermosetting resin composition comprising dicyanamide and polyvale...
Patent number
4,482,703
Issue date
Nov 13, 1984
Hitachi, Ltd.
Akio Takahashi
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for producing printed circuit boards
Patent number
4,457,952
Issue date
Jul 3, 1984
Hitachi, Ltd.
Mineo Kawamoto
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Maleimide: aryloxy diamine resin composition and process for produc...
Patent number
4,435,560
Issue date
Mar 6, 1984
Hitachi, Ltd.
Akio Takahashi
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Complex type electrophotographic plate and electrophotographic meth...
Patent number
4,435,492
Issue date
Mar 6, 1984
Hitachi, Ltd.
Shigeo Suzuki
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrophotographic developing method using magnetic toners
Patent number
4,433,042
Issue date
Feb 21, 1984
Hitachi Metals, Ltd.
Tsuneaki Kawanishi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrophotographic photosensitive material having thin amorphous s...
Patent number
4,430,404
Issue date
Feb 7, 1984
Hitachi, Ltd.
Akira Hosoya
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrophotographic plate having an age-hardened aluminum substrate...
Patent number
4,405,703
Issue date
Sep 20, 1983
Hitachi, Ltd.
Shigeharu Onuma
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Process for producing fire retardant and heat resistant copper-clad...
Patent number
4,400,438
Issue date
Aug 23, 1983
Hitachi Chemical Company, Ltd.
Akio Takahashi
B32 - LAYERED PRODUCTS
Information
Patent Grant
Pleochroic color display device
Patent number
4,396,251
Issue date
Aug 2, 1983
Hitachi, Ltd.
Akio Mukoh
G02 - OPTICS
Information
Patent Grant
Thermosetting prepolymer from polyfunctional maleimide and bis male...
Patent number
4,393,188
Issue date
Jul 12, 1983
Hitachi Chemical Company, Ltd.
Akio Takahashi
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Liquid crystal display element
Patent number
4,381,886
Issue date
May 3, 1983
Hitachi, Ltd.
Hisao Yokokura
G02 - OPTICS
Information
Patent Grant
Dry reversal developer for electrostatic photography and electrosta...
Patent number
4,374,191
Issue date
Feb 15, 1983
Hitachi, Ltd.
Akio Mukoh
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Complex type electrophotographic plate and electrophotographic meth...
Patent number
4,352,876
Issue date
Oct 5, 1982
Hitachi, Ltd.
Shigeo Suzuki
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Complex type electrophotographic plate
Patent number
4,346,157
Issue date
Aug 24, 1982
Hitachi, Ltd.
Atsushi Kakuta
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Imide prepolymer from reaction of epoxy compound with bis-imide/dia...
Patent number
4,346,206
Issue date
Aug 24, 1982
Hitachi Chemical Company, Ltd.
Akio Takahashi
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Liquid crystal composition
Patent number
4,324,455
Issue date
Apr 13, 1982
Mitsubishi Chemical Industries Limited
Seiichi Imahori
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Bismide-ether compounds, compositions thereof, and method of produc...
Patent number
4,296,219
Issue date
Oct 20, 1981
Hitachi, Ltd.
Akio Takahashi
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method for production of printed circuits by electroless metal plating
Patent number
4,293,592
Issue date
Oct 6, 1981
Hitachi, Ltd.
Hirosada Morishita
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Process for preparing thermosetting prepolymer from mixture of poly...
Patent number
4,283,522
Issue date
Aug 11, 1981
Hitachi Chemical Company, Ltd.
Akio Takahashi
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Guest-host liquid crystal display device
Patent number
4,278,328
Issue date
Jul 14, 1981
Hitachi, Ltd.
Akio Mukoh
G02 - OPTICS
Information
Patent Grant
Magnetic toner for electrostatic images and transfer copying
Patent number
4,265,993
Issue date
May 5, 1981
Hitachi Metals, Ltd.
Tsuneaki Kawanishi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Ink for ink-jet printer containing dichloromethane as an organic so...
Patent number
4,248,636
Issue date
Feb 3, 1981
Hitachi, Ltd.
Ryusei Sasaki
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Process for forming printed wiring by electroless deposition
Patent number
4,239,813
Issue date
Dec 16, 1980
Hitachi, Ltd.
Kanji Murakami
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...