Patents by Inventor Shinnichi Morishima
Shinnichi Morishima 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).
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Patent number: 7348125Abstract: Disclosed is an optical information recording medium comprising a substrate having provided thereon a recording layer capable of recording information by laser beam irradiation, wherein the recording layer contains at least one compound represented by the following general formula (I): The symbols in the formula (I) are defined in the specification. Also disclosed is a method for recording optical information using the optical information recording medium.Type: GrantFiled: July 25, 2002Date of Patent: March 25, 2008Assignee: FUJIFILM CorporationInventors: Shinnichi Morishima, Michihiro Shibata
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Patent number: 6849379Abstract: A lithographic printing plate precursor having an image-forming layer capable of drawing images by heat or heat mode exposure, which comprises a support and a layer containing a heat decomposable dye having an absorption maximum wavelength in a visible region, not substantially having an absorption in an oscillation wavelength of a laser used for heat mode exposure, and having a heat decomposition initiation temperature of 250° C. or lower.Type: GrantFiled: October 2, 2002Date of Patent: February 1, 2005Assignee: Fuji Photo Film Co., Ltd.Inventors: Hidekazu Oohashi, Shinnichi Morishima
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Patent number: 6849316Abstract: An information recording medium showing a high light-resistance has a recording layer containing a dye compound having the following formula (I-1) or (I-2): in which each of A1, A2, B1 and B2 is a substituent; each of Y1 and Z1 is a group of atoms required for forming a carbon ring or a heterocyclic ring; each of E and G is a group of atoms required for forming a conjugated double bond chain; X1 is ?O, ?NR or ?C(CN)2, wherein R is a substituent; X2 is —O, —NR or —C(CN)2, wherein R is a substituent; each of L1, L2, L3, L4 and L5 is a methine group which may have a substituent; Mk+ is an onium ion containing a positively charged onium atom to which no hydrogen atom is attached; each of m and n is 0, 1 or 2; each of x and y is 0 or 1; and x is an integer of 1 to 10.Type: GrantFiled: December 1, 2003Date of Patent: February 1, 2005Assignee: Fuji Photo Film Co., Ltd.Inventors: Koji Wariishi, Toshio Ishida, Shinnichi Morishima
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Patent number: 6770347Abstract: A cyanine dye compound represented by formula (I) shown below, and an optical recording medium having a recording layer which is capable of recording information by laser irradiation and contains the cyanine dye compound. In formula (I), Xp− represents a p-valent anionic tetracyanoquinodimethane compound represented by formula (II): The other symbols in the formulas are defined in the specification.Type: GrantFiled: July 3, 2002Date of Patent: August 3, 2004Assignee: Fuji Photo Film Co., Ltd.Inventor: Shinnichi Morishima
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Publication number: 20040115560Abstract: An information recording medium showing a high light-resistance has a recording layer containing a dye compound having the following formula (I-1) or (I-2): 1Type: ApplicationFiled: December 1, 2003Publication date: June 17, 2004Applicant: FUJI PHOTO FILM CO., LTD.Inventors: Koji Wariishi, Toshio Ishida, Shinnichi Morishima
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Patent number: 6713147Abstract: An information-recording medium comprising a substrate having thereon a recording layer capable of recording information with laser light, said recording layer containing: at least one compound selected from the group consisting of compounds represented by the following general formulae (I-1), (I-2), (I-3) and (I-4); and an organic dye other than said compounds. The symbols in the above formulae are defined in the specification.Type: GrantFiled: February 20, 2002Date of Patent: March 30, 2004Assignee: Fuji Photo Film Co., Ltd.Inventors: Shinnichi Morishima, Michihiro Shibata
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Patent number: 6670475Abstract: An information recording medium showing a high light-resistance has a recording layer containing a dye compound having the following formula (IV-2): in which each of Y2 and Z2 is a group of atoms required for forming a carbon ring or a heterocyclic ring; each of L6, L7, L8, L9 and L10 is a methine group which may have one or two substituents; M2+ is an onium ion; and each of m1 and n1 is 0, 1 or 2.Type: GrantFiled: September 30, 1997Date of Patent: December 30, 2003Assignee: Fuji Photo Film Co., Ltd.Inventors: Koji Wariishi, Toshio Ishida, Shinnichi Morishima
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Publication number: 20030129522Abstract: A lithographic printing plate precursor having an image-forming layer capable of drawing images by heat or heat mode exposure, which comprises a support and a layer containing a heat decomposable dye having an absorption maximum wavelength in a visible region, not substantially having an absorption in an oscillation wavelength of a laser used for heat mode exposure, and having a heat decomposition initiation temperature of 250 ° C. or lower.Type: ApplicationFiled: October 2, 2002Publication date: July 10, 2003Applicant: FUJI PHOTO FILM CO., LTD.Inventors: Hidekazu Oohashi, Shinnichi Morishima
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Publication number: 20030114710Abstract: Disclosed is an optical information recording medium comprising a substrate having provided thereon a recording layer capable of recording information by laser beam irradiation, wherein the recording layer contains at least one compound represented by the following general formula (I): 1Type: ApplicationFiled: July 25, 2002Publication date: June 19, 2003Applicant: FUJI PHOTO FILM CO., LTD.Inventors: Shinnichi Morishima, Michihiro Shibata
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Publication number: 20030078421Abstract: An information recording medium showing a high light-resistance has a recording layer containing a dye compound having the following formula (I-1) or (I-2): 1Type: ApplicationFiled: September 30, 1997Publication date: April 24, 2003Inventors: KOJI WARIISHI, TOSHIO ISHIDA, SHINNICHI MORISHIMA
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Publication number: 20030064205Abstract: An information-recording medium comprising a substrate having thereon a recording layer capable of recording information with laser light, said recording layer containing: at least one compound selected from the group consisting of compounds represented by the following general formulae (I-1), (I-2), (I-3) and (I-4); and an organic dye other than said compounds.Type: ApplicationFiled: February 20, 2002Publication date: April 3, 2003Applicant: FUJI PHOTO FILM CO., LTD.Inventors: Shinnichi Morishima, Michihiro Shibata
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Patent number: 6203876Abstract: An information recording medium composed of 1) a transparent support, 2) a recording layer which is composed of an organic dye having an oxidation potential in terms of Po and an organic oxidizing agent having a reduction potential in terms of Pr in which the oxidation potential and the reduction potential satisfy the condition of 0.4V<Po−Pr<1.0V, and 3) a light-reflecting layer on the recording layer shows improved light-resistance and endurance as well as good recording and reproducing characteristics.Type: GrantFiled: January 15, 1999Date of Patent: March 20, 2001Assignee: Fuji Photo Film Co., Ltd.Inventors: Shinnichi Morishima, Koji Wariishi, Toshio Ishida, Michihiro Shibata
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Patent number: 5994040Abstract: A processing composition for silver halide photographic light-sensitive material, which comprises at least one compound represented by the following formula (A), (A-I) or (A-II) and at least one compound represented by the following formula (B): ##STR1## Also disclosed are a developer prepared from the processing composition, and a processing method using the developer.Type: GrantFiled: March 4, 1997Date of Patent: November 30, 1999Assignee: Fuji Photo Film Co., Ltd.Inventors: Shinnichi Morishima, Kohzaburoh Yamada, Seiji Yamashita, Minoru Sakai, Kouta Fukui, Eiichi Okutsu
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Patent number: 5962182Abstract: A method for forming an image which comprises imagewise-exposing a silver halide photographic material comprising a support having thereon at least one silver halide emulsion layer, wherein the emulsion layer or other hydrophilic colloid layer contains a hydrazine derivative as a nucleating agent and contains at least one compound represented by formula (A); and then developing the exposed photographic material with a developer having a pH of 9.0 to 11.0 which contains an ascorbic acid type developing agent and does not substantially contain a dihydroxybenzene type developing agent: ##STR1## wherein X represents a hydrogen atom, an aryl group, a heterocyclic group, or a group represented by formula (B): ##STR2## wherein each of R.sub.1, R.sub.2 and R.sub.3 may be the same or different, and each represents a hydrogen atom or a group other than a hydroxyl group.Type: GrantFiled: March 24, 1997Date of Patent: October 5, 1999Assignee: Fuji Photo Film Co., Ltd.Inventors: Kazunobu Katoh, Shinnichi Morishima
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Patent number: 5879772Abstract: An information recording medium composed of 1) a transparent support, 2) a recording layer which is composed of an organic dye and an organic oxidizing agent having a reduction potential on the side nobler than -0.2, and 3) a light-reflecting layer on the recording layer shows improved light-resistance and endurance as well as good recording and reproducing characteristics.Type: GrantFiled: July 18, 1997Date of Patent: March 9, 1999Assignee: Fuji Photo Film Co., Ltd.Inventors: Shinnichi Morishima, Koji Wariishi, Toshio Ishida, Michihiro Shibata
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Patent number: 5858611Abstract: A development processing method of a silver halide black-and-white photographic material is described, which comprises the steps of (a) exposing a silver halide photographic material comprising a support having thereon at least one light-sensitive silver halide emulsion layer, and (b) developing the exposed silver halide photographic material with a developer, wherein at least one layer of the light-sensitive silver halide emulsion layer and a hydrophilic colloid layer contains at least one hydrazine derivative represented by the following formula (I); the developer contains substantially no dihydroxybenzene compound; and the developer contains (1) a developing agent selected from ascorbic acid, erythorbic acid and derivatives thereof, (2) a developing agent represented by the following formula (II), and (3) an auxiliary developing agent exhibiting a superadditive property. ##STR1## The formulae (I) and (II) are described in the specification in detail.Type: GrantFiled: May 9, 1997Date of Patent: January 12, 1999Assignee: Fuji Photo Film Co., Ltd.Inventors: Kouta Fukui, Shinnichi Morishima
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Patent number: 5821040Abstract: Disclosed is a method for developing a silver halide photographic material, which comprises processing the silver halide photographic material having at least one silver halide emulsion layer containing silver halide grains, with a substantially hydroquinone-free developing solution containing (i) a compound represented by formula (A) as a developing agent, wherein at least 50% of the sum of the projected area of the silver halide grains are tabular silver halide grains having an aspect ratio of 3.0 or more, and said developing solution contains (ii) a compound represented by formula (B): ##STR1## wherein R.sub.1 represents a hydrogen atom, an alkyl group, an aryl group or a heterocyclic group; and ##STR2## wherein X represents an oxygen atom or a sulfur atom, Y represents a hydrogen atom or a substituent group, and M represents a hydrogen atom, an alkali metal ion, a quaternary ammonium ion or a quaternary phosphonium ion.Type: GrantFiled: June 21, 1996Date of Patent: October 13, 1998Assignee: Fuji Photo Film Co., Ltd.Inventors: Eiichi Okutsu, Shinnichi Morishima
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Patent number: 5578433Abstract: A method of processing a silver halide photographic material with a developer containing a compound represented by formula (A), wherein the developer further contains at least one compound represented by formula (B) or (C): ##STR1##Type: GrantFiled: October 17, 1995Date of Patent: November 26, 1996Assignee: Fuji Photo Film Co., Ltd.Inventors: Shinnichi Morishima, Kazumi Nii
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Patent number: H1700Abstract: A silver halide photographic material is processed with a developing solution containing at least one kind of developing agent represented by the following general formula (A): ##STR1## wherein R.sub.1 and R.sub.2 may be the same or different, and each represents a hydrogen atom or a substituent group, with the proviso that R.sub.1 and R.sub.2 are not methyl groups at the same time nor a combination of a hydrogen atom and a methyl group, thereby providing a novel method for forming an image by use of the developing solution not using a dihydroxybenzene compound as the developing agent, and more particularly a superhigh contrast negative image by use of the photographic material containing a hydrazine compound.Type: GrantFiled: November 12, 1996Date of Patent: December 2, 1997Assignee: Fuji Photo Film Co., Ltd.Inventors: Shinnichi Morishima, Kiyoshi Morimoto