Patents by Inventor Mitsuru Fuchigami
Mitsuru Fuchigami 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: 4983569Abstract: A recording material wherein a color forming system comprising (a) a fluorene compound as a dye precursor, (b) a color developer, (c) an isocyanate compound, and (d) in imido compound, gives a developed color image having an absorption at near infrared portion and excellent image storability.Type: GrantFiled: July 12, 1989Date of Patent: January 8, 1991Assignees: Mitsubishi Paper Mills, Asahi Kasei Kogyo Kabushiki KaishaInventors: Shigetoshi Hiraishi, Mitsuru Fuchigami, Masahiro Miyauchi, Kazuo Kabashima
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Patent number: 4927971Abstract: There is disclosed a desensitizing ink comprising an adduct produced by the addition of 4 to 70 mols of an alkylene oxide to 1 mol of an amine represented by the general formula (I) where 40 mol % or more of said alkylene oxide are butylene oxide: ##STR1##Type: GrantFiled: May 8, 1989Date of Patent: May 22, 1990Assignee: Mitsubishi Paper Mills Ltd.Inventors: Mitsuru Fuchigami, Shingo Tachizawa, Mamoru Ishiguro
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Patent number: 4880767Abstract: A recording material wherein a color forming system comprising (a) a fluorene compound as a dye precursor, (b) a color developer, (c) an isocyanate compound, and (d) an imino compound, gives a developed color image having an absorption at near infrared portion and excellent image storability.Type: GrantFiled: November 18, 1987Date of Patent: November 14, 1989Assignees: Mitsubishi Paper Mills, Asahi Kasei Kogyo Kabushiki KaishaInventors: Shigetoshi Hiraishi, Mitsuru Fuchigami, Masahiro Miyauchi, Kazuo Kabashima
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Patent number: 4874740Abstract: There is disclosed a thermosensitive recording material improved in thermal response and image retention which comprises a support and, provided thereon, a thermosensitive recording layer containing a generally colorless or slightly colored dye precursor and a developer which, upon being heated, reacts with said dye precursor to develop color, wherein said thermosensitive recording layer contains as sensitizer a compound selected from a group consisting of p-benzylbiphenyl, diaryl esters of adipic acid, ##STR1## (wherein R represents a substituted or unsubstituted aralkyl group, ##STR2## (wherein R.sub.1 and R.sub.2 each represents an alkyl, aralkyl, or aryl group), and ##STR3## and said developer is bis(3-allyl-4-hydroxyphenyl)sulfone.Type: GrantFiled: February 2, 1988Date of Patent: October 17, 1989Assignee: Mitsubishi Paper Mills, Ltd.Inventors: Shigetoshi Hiraishi, Naomasa Koike, Kazuyoshi Kondo, Mitsuru Fuchigami
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Patent number: 4772581Abstract: There is provided a heat sensitive recording sheet comprising a support and a heat sensitive color forming layer excellent in mechanical adaptability and recording characteristics and capable of providing clear copies. This recording sheet has a smoothness of at least 150 seconds measured according to JIS P8119, an opaqueness of 30-50% according to JIS P8138 and a stiffness in longitudinal direction of 35 or less in Clark value according to JIS P8143 and the support is a synthetic paper.Type: GrantFiled: May 29, 1987Date of Patent: September 20, 1988Assignee: Mitsubishi Paper Mills, Ltd.Inventors: Masahiro Miyauchi, Mitsuru Fuchigami
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Patent number: 4742042Abstract: There is disclosed a thermosensitive recording material improved in thermal response and image retention which comprises a support and, provided thereon, a thermosensitive recording layer containing a generally colorless or slightly colored dye precursor and a developer which, upon being heated, reacts with said dye precursor to develop color, wherein said thermosensitive recording layer contains as sensitizer a compound selected from a group consisting of p-benzylbiphenyl, diaryl esters of adipic acid, ##STR1## (wherein R represents a substituted or unsubsitituted aralkyl group), ##STR2## (wherein R.sub.1 and R.sub.2 each represents an alkyl, aralkyl, or aryl group), and ##STR3## and said developer is bis(3-allyl-4-hydroxyphenyl)sulfone.Type: GrantFiled: January 27, 1986Date of Patent: May 3, 1988Assignee: Mitsubishi Paper Mills, Ltd.Inventors: Shigetoshi Hiraishi, Naomasa Koike, Kazuyoshi Kondo, Mitsuru Fuchigami
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Patent number: 4418941Abstract: In a color-forming sheet for no-carbon copying paper applied with a coating color basically composed of color former-containing microcapsules, a capsule protective agent and an adhesive, the edge padding aptitude of no-carbon copying papers could be improved by containing in said coating color a surface active agent in an amount of 0.1 to 4% by weight based on the microcapsules.Type: GrantFiled: October 19, 1981Date of Patent: December 6, 1983Assignee: Mitsubishi Paper Mills, Ltd.Inventors: Mitsuru Fuchigami, Mamoru Ishiguro, Hideo Ohye
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Patent number: 4354697Abstract: A resin prepared by acid-catalytic condensation of p-phenylphenol with formaldehyde in the presence of an alcohol having a boiling point of 70.degree. C. or more is improved in solubility in various solvents, especially in ethyl acetate, polyethylene glycol and oil, and is useful as an acidic substance in No Carbon copying paper, which gives an intense color with higher speed, especially in the form of spot ink in flexographic printing or gravure printing.Type: GrantFiled: June 12, 1980Date of Patent: October 19, 1982Assignee: Mitsubishi Paper Mills, Ltd.Inventor: Mitsuru Fuchigami
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Patent number: 4327148Abstract: A self-contained color forming pressure sensitive record paper of the single coating type which has on one side of a support a coating layer of a mixture of color former-containing microcapsules and color developer-containing microcapsules, as well as a powdered polyolefin. The powdered polyolefin acts as capsule protecting agent and prevents the smudging due to unintentional color development caused by the rapture of the capsules.Type: GrantFiled: November 28, 1979Date of Patent: April 27, 1982Assignee: Mitsubishi Paper Mills, Ltd.Inventors: Kohji Toyama, Mitsuru Fuchigami, Isao Nagayasu, Hirokazu Tsukahara
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Patent number: 4291102Abstract: There is provided a desensitizer used in a quick-drying desensitizing ink for no-carbon copy paper, which is a compound represented by the formula ##STR1## wherein R.sup.1 represents hydrogen atom or methyl group; R.sup.2 represents hydrogen atom, a methyl group, a phenyl group which may have as substituent an alkyl group having 1 to 12 carbon atoms, CH.sub.2 .dbd.CHCO--, ##STR2## R.sup.3 represents CH.sub.2 .dbd.CHCO--, ##STR3## and l and m are integers of 1 or greater than 1, l+m being not greater than 46, and p is zero or an integer of 1, provided that when p is 1 zero R.sup.Type: GrantFiled: December 13, 1979Date of Patent: September 22, 1981Assignee: Mitsubishi Paper Mills, Ltd.Inventors: Hirokazu Tsukahara, Mitsuru Fuchigami, Nobuhiro Kagota
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Patent number: 4268634Abstract: There is provided a desensitizer used in a quick-drying desensitizing ink for no-carbon copy paper, which is a compound represented by the formula ##STR1## wherein R.sup.1 represents hydrogen atom or methyl group; R.sup.2 represents hydrogen atom, a methyl group, a phenyl group which may have as substituent an alkyl group having 1 to 12 carbon atoms, ##STR2## and l and m are integers of 1 or greater than 1, l+m being not greater than 46, and p is zero or an integer of 1, provided that when p is zero R.sup.Type: GrantFiled: December 23, 1977Date of Patent: May 19, 1981Assignee: Mitsubishi Paper Mills, Ltd.Inventors: Hirokazu Tsukahara, Mitsuru Fuchigami, Nobuhiro Kagota
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Patent number: 4233178Abstract: A hydrophobic material such as an oil solution of a dye is dispersed by the aid of a styrene-maleic anhydride copolymer to form an aqueous dispersion, then a melamine-formaldehyde precondensate is added into said dispersion and the mixture is heated and hardened to produce micro-capsules. These micro-capsules are proof against leakage or oozing of the hydrophobic material and uniform in shape and can serve excellently, for example, as dye capsules used for non-carbon paper.Type: GrantFiled: September 27, 1978Date of Patent: November 11, 1980Assignee: Mitsubishi Paper Mills, Ltd.Inventor: Mitsuru Fuchigami