Patents by Inventor Tomoaki Ikeda
Tomoaki Ikeda has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
-
Patent number: 4210711Abstract: A process for forming an image is disclosed wherein a photo-sensitive image-forming material composed of a support and a layer of a thermoplastic photo-sensitive composition which is not adhesive at ordinary temperatures, is exposed and developed by heating in intimate contact with a peeling development carrier sheet at least one surface of which is composed of a thermoplastic material not adhesive at ordinary temperatures, and, subsequently, peeling the development carrier sheet from the photo-sensitive image-forming material.Type: GrantFiled: December 6, 1978Date of Patent: July 1, 1980Assignee: Fuji Photo Film Co., Ltd.Inventors: Masao Kitajima, Hiromichi Tachikawa, Fumiaki Shinozaki, Tomoaki Ikeda
-
Patent number: 4199357Abstract: A composition for a recording material comprising a bismuth-sulfur series material or a bismuth-germanium-sulfur series material.Type: GrantFiled: January 16, 1978Date of Patent: April 22, 1980Assignee: Fuji Photo Film Co., Ltd.Inventors: Satoshi Yoshida, Yuzo Mizobuchi, Tomoaki Ikeda, Toshio Iijima
-
Patent number: 4198237Abstract: An image forming material comprising a support having thereon a layer composed of a Ge--S composition or a Ge--S--X composition wherein X represents at least one element selected from the group consisting of Al, Si, Mg, Ti, V, Mn, Co, Ni, Sn, Zn, Pd, In, Se, Te, Fe, I, P and O which undergoes a structural change capable of being detected optically, electrically or chemically upon exposure imagewise to light wherein the Ge--S or Ge--S--X composition layer has a thickness of at least about 300A and contains therein at least one element selected from the group consisting of Ag, Cu and Pb in an amount of more than 2 atoms of Ag, Cu and/or Pb based on 100 atoms of the Ge--S composition or the Ge--S--X composition.Type: GrantFiled: April 3, 1979Date of Patent: April 15, 1980Assignee: Fuji Photo Film Co., Ltd.Inventors: Akira Nahara, Yoshihiro Ono, Tomizo Namiki, Shigeo Harada, Yuzo Mizobuchi, Tomoaki Ikeda
-
Patent number: 4197124Abstract: A planographic printing plate material comprising a support and a light sensitive layer provided on the support, the light-sensitive layer being composed of (A) an inorganic material; (B) at least one metal and/or metal compound [(A)/(B) are capable of reacting with each other upon application of electromagnetic radiation] and (C) an organic compound capable of affecting the reaction between the inorganic material (A) and the metal and/or metal compound (B), wherein the inorganic material (A), the metal or metal compound (B), and the organic compound (C) are in contact with each other. When the light-sensitive layer is exposed to electromagnetic radiation, a difference in the hydrophilic or oleophilic nature of the exposed areas and the unexposed areas results, whereby a planographic printing plate is obtained which can be mounted on a printing machine and printed without any other treatments.Type: GrantFiled: February 6, 1978Date of Patent: April 8, 1980Assignee: Fuji Photo Film Co., Ltd.Inventors: Tomoaki Ikeda, Yuzo Mizobuchi, Fumiaki Shinozaki, Akira Nahara, Yoshihiro Ono, Yasuo Washizawa, Satoshi Yoshida, Takeshi Tomotsu
-
Patent number: 4188214Abstract: A recording material comprising a support having thereon a layer contaning (i) at least one metal and (ii) a layer containing one or more metal sulfides other than GeS, metal fluorides or metal oxides. A mono-layer mixture of (i) and (ii) may also be used.Type: GrantFiled: February 3, 1978Date of Patent: February 12, 1980Assignee: Fuji Photo Film Co., Ltd.Inventors: Keishiro Kido, Satoshi Yoshida, Tomoaki Ikeda
-
Patent number: 4188215Abstract: A photosensitive printing plate with high sensitivity comprising a support having a hydrophilic surface and formed in succession thereon (1) a layer of an oleophilic photosensitive resin composition whose solubility in a solvent is changed by exposure to light to which the resin composition layer is sensitive and (2) directly on the layer (1) a layer containing a dispersion of particles of photosensitive silver halide grains coated with a water-soluble polymer in an oleophilic polymer capable of being dissolved in a developer for the photosensitive resin composition.Type: GrantFiled: April 24, 1978Date of Patent: February 12, 1980Assignee: Fuji Photo Film Co., Ltd.Inventors: Masamichi Sato, Sadaharu Ikeda, Tomoaki Ikeda
-
Patent number: 4177072Abstract: A process for preparing a lithographic printing plate, which has excellent printability, durability and stability, which comprisingimagewise irradiating a lithographic printing plate material comprising a support having thereon a light-sensitive layer comprising, as essential components, (a) an inorganic material and (b) at least one member selected from the group consisting of a metal and a metal compound, both of which are in contact with each other and which, upon irradiation with electromagnetic radiation, react with each other forming a mutually diffused state and as a result, a difference in the hydrophilic property or in the oleophilic property occurs between the areas irradiated with the electromagnetic radiation and the non-irradiated areas, with electromagnetic radiation, andthen wetting the light-sensitive layer thereof with wetting solution containing (i) at least one compound selected from the group consisting of thiourea and a thiourea derivative and (ii) as an acid component, at least one compoType: GrantFiled: June 2, 1978Date of Patent: December 4, 1979Assignee: Fuji Photo Film Co., Ltd.Inventors: Yoshihiro Ono, Shigeo Harada, Yuzo Mizobuchi, Tomoaki Ikeda
-
Patent number: 4175971Abstract: A light-sensitive composition comprising addition polymerizable ethylenically unsaturated double bond-containing compounds and a photopolymerization initiator comprising (1) at least one compound selected from the group consisting of benzanthrone, substituted benzanthrones (the substituents of which include halogen atoms, alkyl groups having 1 to 5 carbon atoms and alkoxy groups having 1 to 5 carbon atoms), 1,2-benzanthraquinone and substituted benzanthraquinones (substituents of which include halogen atoms, alkyl groups having 1 to 5 carbon atoms and alkoxy groups having 1 to 5 carbon atoms) and (2) at least one compound selected from the group consisting of 4,4'-di-substituted amino-benzophenones represented by the following general formula (a), p-substituted amino-benzaldehyde derivatives represented by the following general formula (b), 2-(p-substituted amino-phenyl)-1,3-dioxolanes represented by the following general formula (c), 4,4'-bis(substituted amino)-N-benzylideneanilines represented by the followType: GrantFiled: September 13, 1977Date of Patent: November 27, 1979Assignee: Fuji Photo Film Co., Ltd.Inventors: Fumiaki Shinozaki, Yasuo Washigawa, Tomoaki Ikeda, Sho Nakao, Syunichi Kondoh
-
Patent number: 4164421Abstract: A photosensitive printing plate comprising a support having thereon a photosensitive layer comprising a photo-curable composition and an o-quinonediazide compound in an amount of about 0.05 to 4 parts by weight per part by weight of the photo-curable composition.Type: GrantFiled: December 29, 1976Date of Patent: August 14, 1979Assignee: Fuji Photo Film Co., Ltd.Inventors: Fumiaki Shinozaki, Tomoaki Ikeda
-
Patent number: 4139391Abstract: A light-sensitive resin composition containing (a) at least one ethylenically unsaturated compound having at least two terminal ethylenically unsaturated groups, which is capable of forming a polymer through photo-addition polymerization, and which has a boiling point of about 100.degree. C. or higher at atmospheric pressure, (b) an addition polymerization initiator activatable by irradiation with actinic radiation, and (c) an organic high polymer binder having water-solubilizing groups in the side chains thereof, wherein the improvement comprises the binder being a copolymer containing (A) a repeating unit derived from at least one compound selected from the group consisting of acrylic acid and methacrylic acid and (B) a repeating unit derived from at least one compound selected from the group consisting of benzyl acrylate, benzyl methacrylate, phenethyl acrylate, phenethyl methacrylate, 3-phenylpropyl acrylate, 3-phenylpropyl methacrylate, 4-phenylbutyl acrylate and 4-phenylbutyl methacrylate.Type: GrantFiled: February 11, 1977Date of Patent: February 13, 1979Assignee: Fuji Photo Film Co., Ltd.Inventors: Tomoaki Ikeda, Hiroshi Misu, Yoshimasa Aotani, Fumiaki Shinozaki
-
Patent number: 4124516Abstract: A dot-etching solution for dot-etching a halftone image of a metal composed mainly of aluminum, the dot-etching solution comprising(1) water,(2) (a) phosphorous acid or (b) phosphorous acid and phosphoric acid,(3) at least one of a bismuth compound and an antimony compound, and(4) at least one compound selected from hydrogen chloride, an alkali metal chloride, calcium chloride and magnesium chloride.Type: GrantFiled: July 20, 1977Date of Patent: November 7, 1978Assignee: Fuji Photo Film Co., Ltd.Inventors: Fumiaki Shinozaki, Tomoaki Ikeda, Yasuo Washizawa, Sho Nakao
-
Patent number: 4115127Abstract: A processing-free lithographic printing plate, which comprises a support having deposited thereon a composition containing germanium and sulfur and at least one of a metal or metal compound in a physically mixed state.Type: GrantFiled: March 11, 1977Date of Patent: September 19, 1978Assignee: Fuji Photo Film Co., Ltd.Inventors: Tomoaki Ikeda, Yuzo Mizobuchi, Akira Nahara, Yasuo Washizawa, Yoshihiro Ono, Takeshi Tomotsu
-
Patent number: 4105450Abstract: A positive light-sensitive composition containing: (a) a quinonediazide type, positive light-sensitive substance and (1) (b) at least one compound selected from the group consisting of those compounds represented by the following general formulae (I) ##STR1## wherein X.sub.1 and X.sub.2 each represents an oxygen atom or a sulfur atom; R.sub.1 and R.sub.2 each represents a hydrogen atom, an alkyl group, an aralkyl group, an aryl group or a cycloalkyl group; (2) those compounds represented by the general formula (II) ##STR2## wherein R.sub.3 represents a hydrogen atom, an alkyl group, an aralkyl group, an aryl group or a cycloalkyl group; and R.sub.4 represents a hydrogen atom, an alkyl group or a cycloalkyl group; and (3) o-benzoic acid sulfimide.Type: GrantFiled: May 25, 1976Date of Patent: August 8, 1978Assignee: Fuji Photo Film Co., Ltd.Inventors: Fumiaki Shinozaki, Tomoaki Ikeda
-
Patent number: 4098712Abstract: A processing solution useful for the development of or halftone dot reduction of a metal image-forming material comprising a support, a thin metallic layer composed mainly of aluminum on the support and a photosensitive resin layer on the metallic layer, with the processing solution comprising (1) an alkaline solution, such as an aqueous solution of sodium hydroxide or potassium hydroxide, and (2) at least one compound of the formula (I) or (II):m(brO.sub.3).sub.p (I)m.sub.m (IO.sub.n).sub.p (II)wherein M represents a hydrogen atom or a metal having a valence of 1 to 3, m represents 1, 2, 3, or 5, n represents 3, 4, or 6, and p represents 1, 2 or 3, which solution lends itself to safe storage and handling, and permits rapid and uniform etching of the metallic layer of the metal image-forming material without bubble formation occurring.Type: GrantFiled: February 11, 1977Date of Patent: July 4, 1978Assignee: Fuji Photo Film Co., Ltd.Inventors: Tomoaki Ikeda, Yasuo Washizawa, Masamiti Sigyo, Sadaharu Ikeda, Satoshi Yoshida
-
Patent number: 4094679Abstract: A process for reducing the size of halftone dot images obtained by exposing and developing a metal image-forming material comprising a support, a thin metallic layer composed mainly of aluminum on the support and a photosensitive resin (or photoresist) layer on the thin metallic layer uniformly by first applying a solution capable of swelling the photosensitive resin layer to those parts which are to be subjected to dot size reduction, and then applying a reducer solution to the parts so treated.Type: GrantFiled: February 7, 1977Date of Patent: June 13, 1978Assignee: Fuji Photo Film Co., Ltd.Inventors: Yasuo Washizawa, Tomoaki Ikeda
-
Patent number: 4045222Abstract: In an etch-bleaching process wherein a hydrophilic layer in/on which a silver image exists is first treated with an etch-bleaching solution the improvement where the hydrophilic layer is subsequently treated with an aqueous solution containing at least one of an oxyacid of chlorine and a salt thereof.Type: GrantFiled: January 26, 1973Date of Patent: August 30, 1977Assignee: Fuji Photo Film Co., Ltd.Inventors: Fumiaki Shinozaki, Tomoaki Ikeda, Masayoshi Tsuboi
-
Patent number: 4008084Abstract: A metallic image forming article comprising a support, an intermediate layer comprising Al and a metal having an ionizing tendency lower than that of Al, and a photosensitive resin layer on the intermediate layer.Type: GrantFiled: April 25, 1975Date of Patent: February 15, 1977Assignee: Fuji Photo Film Co., Ltd.Inventors: Tomoaki Ikeda, Sadaharu Ikeda, Yuzo Mizobuchi, Takeshi Tomotsu
-
Patent number: 3969541Abstract: A diffusion transfer image-receptive sheet comprising (a) a sheet of an alkali impermeable polymer having a surface portion converted into an alkali permeable state and (b) diffusion transfer nuclei incorporated in the alkali permeable surface portion.Type: GrantFiled: March 27, 1972Date of Patent: July 13, 1976Assignee: Fuji Photo Film Co., Ltd.Inventors: Yoshito Mukaida, Eiichi Mizuki, Tomoaki Ikeda, Masayoshi Tsuboi, Akio Ishizuka, Fumiaki Shinozaki