Patents by Inventor Masaharu Nojima
Masaharu Nojima 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: 9962980Abstract: A main object of the present invention is to provide a thermosensitive recording material having excellent recording color developability and recording image quality, having no inhibition of a color-developing reaction due to the adhesive component after being processed into a thermosensitive recording label (glue desensitization), and being able to withstand long-term storage while retaining excellent recording performance.Type: GrantFiled: September 30, 2014Date of Patent: May 8, 2018Assignee: OJI HOLDINGS CORPORATIONInventors: Masahiro Morie, Takehiro Minami, Kazuo Yamane, Toshizo Yamamoto, Kazuyuki Sakamoto, Masaharu Nojima
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Publication number: 20160236496Abstract: A main object of the present invention is to provide a thermosensitive recording material having excellent recording color developability and recording image quality, having no inhibition of a color-developing reaction due to the adhesive component after being processed into a thermosensitive recording label (glue desensitization), and being able to withstand long-term storage while retaining excellent recording performance.Type: ApplicationFiled: September 30, 2014Publication date: August 18, 2016Applicant: Oji Holdings CorporationInventors: Masahiro MORIE, Takehiro MINAMI, Kazuo YAMANE, Toshizo YAMAMOTO, Kazuyuki SAKAMOTO, Masaharu NOJIMA
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Patent number: 8101547Abstract: A transparent heat-sensitive recording material of the invention comprises (a) a transparent support; (b) a heat-sensitive recording layer containing a leuco dye and a developer and formed on the transparent support; and (c) a protective layer comprising as main components a pigment and a binder and formed on the heat-sensitive recording layer; wherein the pigment contained in the protective layer is (i) calcined kaolin and at least one main pigment selected from the group consisting of kaolin and aluminum hydroxide, or (ii) calcined kaolin, a third pigment, and at least one main pigment selected from the group consisting of kaolin and aluminum hydroxide; and the calcined kaolin is present in a proportion of 0.3 to 5 mass % relative to the protective layer.Type: GrantFiled: August 24, 2006Date of Patent: January 24, 2012Assignee: Oji Paper Co., Ltd.Inventors: Nobuyuki Iwasaki, Kenji Muto, Masaharu Nojima
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Patent number: 7972991Abstract: Disclosed herein is a heat-sensitive recording material shows good barcode printability and provides printed images having an excellent milk resistance. The heat-sensitive recording material comprises a heat-sensitive recording layer contains 3,3?-diallyl-4,4?-dihydroxydiphenylsulfone and 1,2-di(methylphenoxy)ethane in a specific amount relative to the leuco dye, and contains a crosslinked diphenylsulfone-based compound in an specific ratio based on the total solid in the heat-sensitive recording layer.Type: GrantFiled: February 28, 2008Date of Patent: July 5, 2011Assignee: Oji Paper Co., Ltd.Inventors: Masaharu Nojima, Takashi Takemura
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Patent number: 7897541Abstract: The present invention provides a heat-sensitive recording material comprising a support and a heat-sensitive recording layer, wherein the heat-sensitive recording layer contains a leuco dye and a color developer, the leuco dye is in a form of composite particles comprising the leuco dye and a hydrophobic resin, and the color developer comprises at least 4,4?-cyclohexylidenediphenol and 4,4?-bis(N-p-tolylsulfonylaminocarbonylamino)diphenylmethane.Type: GrantFiled: December 13, 2005Date of Patent: March 1, 2011Assignee: OJI Paper Co., Ltd.Inventors: Nobuyuki Iwasaki, Hisashi Tani, Masato Kawai, Masaharu Nojima
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Patent number: 7618920Abstract: A thermal recording sheet comprising, on one surface of square, transparent film, a thermal recording layer containing leuco dye and a coloration agent and a protection layer mainly containing water-based resin, wherein corner parts (1a, 1b, 1c, 1d) including at least one marked corner part (1a) are provided at its four corners. The corner parts (1a, 1b, 1c, 1d) respectively have end edges each with radius of curvature of at least 5 mm, and the end edge of the marked corner part (1a) is provided substantially with a maximum radius of curvature or a minimum radius of curvature.Type: GrantFiled: October 15, 2004Date of Patent: November 17, 2009Assignee: OJI Paper Co., Ltd.Inventors: Yumi Hada, Hiroyuki Kido, Masaharu Nojima
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Publication number: 20090227449Abstract: A transparent heat-sensitive recording material of the invention comprises (a) a transparent support; (b) a heat-sensitive recording layer containing a leuco dye and a developer and formed on the transparent support; and (c) a protective layer comprising as main components a pigment and a binder and formed on the heat-sensitive recording layer; wherein the pigment contained in the protective layer is (i) calcined kaolin and at least one main pigment selected from the group consisting of kaolin and aluminum hydroxide, or (ii) calcined kaolin, a third pigment, and at least one main pigment selected from the group consisting of kaolin and aluminum hydroxide; and the calcined kaolin is present in a proportion of 0.3 to 5 mass % relative to the protective layer.Type: ApplicationFiled: August 24, 2006Publication date: September 10, 2009Applicant: OJI PAPER CO., LTD.Inventors: Nobuyuki Iwasaki, Kenji Muto, Masaharu Nojima
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Publication number: 20090099018Abstract: Disclosed herein is a heat-sensitive recording material shows good barcode printability and provides printed images having an excellent milk resistance. The heat-sensitive recording material comprises a heat-sensitive recording layer contains 3,3?-diallyl-4,4?-dihydroxydiphenylsulfone and 1,2-di(methylphenoxy)ethane in a specific amount relative to the leuco dye, and contains a crosslinked diphenylsulfone-based compound in an specific ratio based on the total solid in the heat-sensitive recording layer.Type: ApplicationFiled: February 28, 2008Publication date: April 16, 2009Applicant: OJI PAPER CO., LTD.Inventors: Masaharu Nojima, Takashi Takemura
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Publication number: 20080108500Abstract: The present invention provides a heat-sensitive recording material comprising a support and a heat-sensitive recording layer, wherein the heat-sensitive recording layer contains a leuco dye and a color developer, the leuco dye is in a form of composite particles comprising the leuco dye and a hydrophobic resin, and the color developer comprises at least 4,4?-cyclohexylidenediphenol and 4,4?-bis(N-p-tolylsulfonylaminocarbonylamino)diphenylmethane.Type: ApplicationFiled: December 13, 2005Publication date: May 8, 2008Applicant: OJI PAPER CO., LTD.Inventors: Nobuyuki Iwasaki, Hisashi Tani, Masato Kawai, Masaharu Nojima
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Publication number: 20070203023Abstract: A thermal recording sheet comprising, on one surface of square, transparent film, a thermal recording layer containing leuco dye and a coloration agent and a protection layer mainly containing water-based resin, wherein corner parts (1a, 1b, 1c, 1d) including at least one marked corner part (1a) are provided at its four corners. The corner parts (1a, 1b, 1c, 1d) respectively have end edges each with radius of curvature of at least 5 mm, and the end edge of the marked corner part (1a) is provided substantially with a maximum radius of curvature or a minimum radius of curvature.Type: ApplicationFiled: October 15, 2004Publication date: August 30, 2007Applicant: OJI PAPER CO., LTD.Inventors: Yumi Hada, Hiroyuki Kido, Masaharu Nojima
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Patent number: 5276138Abstract: The present invention provides the process for treating the animal hairs by solubilization wherein the animal hairs can be treated in a short time without any complicated operations and special apparatuses, and the process for recovering the solubilized product of the animal hairs wherein said product can be recovered simply and efficiently from the solution thereof. The former is the process for treating animal hairs by solubilization which comprises solubilizing the animal hairs in a weak alkaline liquid medium in the presence of an oxidizing agent whose concentration is high. The latter is the process for recovering a solubilized product of animal hairs which comprises admixing a solution of said product with an organic acid or an aqueous solution thereof to precipitate said product.Type: GrantFiled: December 16, 1992Date of Patent: January 4, 1994Assignee: Kurashiki Boseki Kabushiki KaishaInventors: Masaru Yamada, Satoshi Narita, Takashi Kondo, Masaharu Nojima, Ryohei Yamamoto, Toyokazu Nishino, Chikaaki Sakai
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Patent number: 5110786Abstract: A heat-sensitive recording material comprises a recording layer formed on a base sheet where the recording layer comprises a colorless or pale colored basic chromogenic material, a color developing material which develops a color by contacting with said chromogenic material, and a stabilizer.Type: GrantFiled: April 12, 1990Date of Patent: May 5, 1992Assignee: Kanzaki Paper Manufacturing Co., Ltd.Inventors: Naoto Arai, Nobuo Kanda, Masaharu Nojima
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Patent number: 5017545Abstract: A heat sensitive recording material comprising a substrate and a heat sensitive recording layer thereon incorporating a colorless or light-colored basic dye and a color acceptor reactive with the dye to form a color when contacted therewith, the recording material being characterized in that the material has a heat sensitive recording layer having incorporated therein (1) a heat-fusible substance exhibiting a weight reduction of at least 5% at 200.degree. C. based on the weight at 25.degree. C. under the condition of 20.degree. C./min in the rate of rise of temperature, (2) a wax, (3) a lubricant, and (4) an oil-absorbing pigment at least 85 ml/100 g in oil absorption.Type: GrantFiled: June 1, 1989Date of Patent: May 21, 1991Assignee: Kanzaki Paper Manufacturing Company, LimitedInventors: Nobuo Kanda, Ritsuo Mandoh, Masaharu Nojima, Naoto Arai
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Patent number: 4882310Abstract: An improved heat-sensitive recording material having a substrate and a heat-sensitive recording layer formed thereon which contains a colorless or light-colored basic dye and a color developer to color said basic dye upon contact by heating, said heat-sensitive recording layer being formed by applying a coating dispersion containing prismatic calcium carbonate comprising single particles each having such a particle size that the average length is 1 to 6 .mu.m and the average breadth is 0.1 to 0.6 .mu.m. The heat-sensitive recording material does not generate any foreign matter to contaminate the recording head and it does not cause reduction in the whiteness of the recording layer with the lapse of time.Type: GrantFiled: October 5, 1988Date of Patent: November 21, 1989Assignee: Kanzaki Paper Manufacturing Co., Ltd.Inventors: Naoto Arai, Masaharu Nojima, Ritsuo Mandoh
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Patent number: 4659643Abstract: A heat-sensitive recording material comprising a substrate and a heat-sensitive recording layer thereon, the heat-sensitive recording layer containing a diazonium salt, coupler compound, heat-fusible basic compound and at least one of the compounds represented by the formula [I] below ##STR1## wherein X is --O-- or --CONH--, R.sub.1 and R.sub.2 are each hydrogen, halogen, alkyl having 1 to 8 carbon atoms, cycloalkyl, aryl, aralkyl or alkoxyl and n is an integer of 1 to 10.Type: GrantFiled: October 21, 1985Date of Patent: April 21, 1987Assignee: Kanzaki Paper Manufacturing Co. Ltd.Inventors: Katsuhiko Ishida, Masaharu Nojima, Tosaku Okamoto
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Patent number: 4652512Abstract: This invention provides a heat-sensitive recording material comprising a substrate and a heat-sensitive recording layer which is formed over the substrate and which contains a diazonium salt, a coupler and at least one of specific heat-fusible basic amidine and diamidine compounds in which the nitrogen atom(s) of ##STR1## moiety(moieties) has(have) a substituent and the nitrogen atom(s) or ##STR2## moiety(moieties) has(have) at least one substituent, the substituent being independently selected from the group consisting of phenyl, naphthyl, phenyl-C.sub.1 -C.sub.4 alkyl and naphthyl-C.sub.1 -C.sub.4 alkyl, each optionally substituted with C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy, phenyloxy, nitro or halogen, and in which amidine compounds are other than formamidines. The heat-sensitive recording material is especially excellent in storage stability.Type: GrantFiled: January 29, 1986Date of Patent: March 24, 1987Assignee: Kanzaki Paper Manufacturing Company, LimitedInventors: Katsuhiko Ishida, Masaharu Nojima, Tosaku Okamoto