Patents by Inventor Norihiko Inaba
Norihiko Inaba 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: 8702896Abstract: A heat-sensitive adhesive material contains a substrate and a heat-sensitive adhesive layer that contains a thermoplastic resin and a solid plasticizer, and the heat-sensitive adhesive material is so configured as to be heated and applied to an adherend, wherein the heat-sensitive adhesive material exhibits such an adhesive strength to the adherend as to increase with time from immediately after applying the heat-sensitive adhesive material to the adherend.Type: GrantFiled: October 16, 2008Date of Patent: April 22, 2014Assignee: Ricoh Company, Ltd.Inventors: Mitsunobu Morita, Tomoyuki Kugo, Hiroshi Goto, Norihiko Inaba
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Patent number: 8193116Abstract: To provide a heat-sensitive recording material including a substrate; a heat-sensitive color-developing layer over the substrate, the heat-sensitive color-developing layer containing a leuco dye and a developer; a first protective layer over the heat-sensitive color-developing layer, the first protective layer containing a water-soluble resin and a crosslinking agent; and a second protective layer over the first protective layer, the second protective layer containing a water-soluble resin, a crosslinking agent and a pigment, wherein the heat-sensitive color-developing layer, the first protective layer and the second protective layer are formed simultaneously by curtain coating method, and the second protective layer contains diacetone-modified polyvinyl alcohol and acrylic resin or maleic acid copolymer resin.Type: GrantFiled: September 29, 2011Date of Patent: June 5, 2012Assignee: Ricoh Company, Ltd.Inventors: Motoi Orihara, Norihiko Inaba
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Publication number: 20120021900Abstract: To provide a heat-sensitive recording material including a substrate; a heat-sensitive color-developing layer over the substrate, the heat-sensitive color-developing layer containing a leuco dye and a developer; a first protective layer over the heat-sensitive color-developing layer, the first protective layer containing a water-soluble resin and a crosslinking agent; and a second protective layer over the first protective layer, the second protective layer containing a water-soluble resin, a crosslinking agent and a pigment, wherein the heat-sensitive color-developing layer, the first protective layer and the second protective layer are formed simultaneously by curtain coating method, and the second protective layer contains diacetone-modified polyvinyl alcohol and acrylic resin or maleic acid copolymer resin.Type: ApplicationFiled: September 29, 2011Publication date: January 26, 2012Applicant: RICOH COMPANY, LTD.Inventors: Motoi Orihara, Norihiko Inaba
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Patent number: 8058209Abstract: To provide a heat-sensitive recording material including a substrate; a heat-sensitive color-developing layer over the substrate, the heat-sensitive color-developing layer containing a leuco dye and a developer; a first protective layer over the heat-sensitive color-developing layer, the first protective layer containing a water-soluble resin and a crosslinking agent; and a second protective layer over the first protective layer, the second protective layer containing a water-soluble resin, a crosslinking agent and a pigment, wherein the heat-sensitive color-developing layer, the first protective layer and the second protective layer are formed simultaneously by curtain coating method, and the second protective layer contains diacetone-modified polyvinyl alcohol and acrylic resin or maleic acid copolymer resin.Type: GrantFiled: March 18, 2008Date of Patent: November 15, 2011Assignee: Ricoh Company, Ltd.Inventors: Motoi Orihara, Norihiko Inaba
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Patent number: 7811661Abstract: In order to provide heat-sensitive adhesive materials that represent high pressure-sensitive adhesive strength with respect to rough adherends such as cardboards or polyolefin wraps and lower decrease of adhesive strength with time, are thermally activated with lower energy and exhibit excellent blocking resistance, heat-sensitive adhesive materials are disclosed that contain a support, an underlayer, and a heat-sensitive adhesive layer, in this order, wherein the underlayer comprises a thermoplastic resin and a hollow filler, and the glass transition temperature of the thermoplastic resin is ?70° C. or higher and below 0° C.Type: GrantFiled: September 13, 2005Date of Patent: October 12, 2010Assignee: Ricoh Company, Ltd.Inventors: Hiroshi Goto, Tomoyuki Kugo, Mitsunobu Morita, Norihiko Inaba, Tohru Kitano, Takehito Yamaguchi
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Publication number: 20090050268Abstract: A heat-sensitive adhesive material contains a substrate and a heat-sensitive adhesive layer that contains a thermoplastic resin and a solid plasticizer, and the heat-sensitive adhesive material is so configured as to be heated and applied to an adherend, wherein the heat-sensitive adhesive material exhibits such an adhesive strength to the adherend as to increase with time from immediately after applying the heat-sensitive adhesive material to the adherend.Type: ApplicationFiled: October 16, 2008Publication date: February 26, 2009Inventors: Mitsunobu Morita, Tomoyuki Kugo, Hiroshi Goto, Norihiko Inaba
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Patent number: 7452595Abstract: A heat-sensitive adhesive material contains a substrate and a heat-sensitive adhesive layer that contains a thermoplastic resin and a solid plasticizer, and the heat-sensitive adhesive material is so configured as to be heated and applied to an adherend, wherein the heat-sensitive adhesive material exhibits such an adhesive strength to the adherend as to increase with time from immediately after applying the heat-sensitive adhesive material to the adherend.Type: GrantFiled: May 21, 2004Date of Patent: November 18, 2008Inventors: Mitsunobu Morita, Tomoyuki Kugo, Hiroshi Goto, Norihiko Inaba
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Publication number: 20080234128Abstract: To provide a heat-sensitive recording material including a substrate; a heat-sensitive color-developing layer over the substrate, the heat-sensitive color-developing layer containing a leuco dye and a developer; a first protective layer over the heat-sensitive color-developing layer, the first protective layer containing a water-soluble resin and a crosslinking agent; and a second protective layer over the first protective layer, the second protective layer containing a water-soluble resin, a crosslinking agent and a pigment, wherein the heat-sensitive color-developing layer, the first protective layer and the second protective layer are formed simultaneously by curtain coating method, and the second protective layer contains diacetone-modified polyvinyl alcohol and acrylic resin or maleic acid copolymer resin.Type: ApplicationFiled: March 18, 2008Publication date: September 25, 2008Applicant: Ricoh Company, Ltd.Inventors: Motoi ORIHARA, Norihiko Inaba
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Publication number: 20080070035Abstract: A thermosensitive adhesive composition containing a thermoplastic resin, an adhesiveness imparting agent and a solid plasticizing agent containing a dispersing agent, wherein the dispersing agent is a polyvinyl alcohol based resin having a weight average molecular weight of from 11,000 to 39,000.Type: ApplicationFiled: September 18, 2006Publication date: March 20, 2008Inventors: Tohru Kitano, Tomoyuki Kugoh, Norihiko Inaba
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Publication number: 20070066749Abstract: A composition can be provided which contains a plasticizer for plasticizing a thermoplastic resin and a surfactant, wherein the surfactant includes a surfactant having a clouding point equal to or higher than 50° C. A heat-sensitive adhesive material can be provided which exerts an adhesive property thereof by heating, and which includes a layer obtained by drying the composition, wherein the composition further includes a thermoplastic resin. An information recording material capable of recording information, which includes the heat-sensitive adhesive material, can be provided.Type: ApplicationFiled: September 15, 2006Publication date: March 22, 2007Inventors: Tomoyuki Kugo, Norihiko Inaba
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Publication number: 20060159913Abstract: The object of the present invention is to provide a heat-sensitive adhesive material having improved delivery properties and a superior adhesive strength. The objective heat-sensitive adhesive material in which an adhesive layer comprising mainly an adhesive is coated over a support and a heat-sensitive adhesive layer having developed adhesion by heating and maintaining the developed adhesive strength is coated over the adhesive layer, has Clark stiffness set by JIS P-8143 of 30 m3/100 to 180 cm3/100 in a longitudinal direction and a coefficient of static friction between a heat-sensitive layer and a polyethylene terephthalate (PET) film of 0.90 or less.Type: ApplicationFiled: December 21, 2005Publication date: July 20, 2006Inventors: Tomoyuki Kugo, Tohru Kitano, Norihiko Inaba
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Patent number: 7021214Abstract: A method for issuing a label, including feeding a first label sheet including a support and a thermosensitive adhesive layer located overlying one side of the support, wherein the first label sheet has a timing mark on the thermosensitive adhesive layer; detecting the timing mark; and cutting or semi-cutting the first label sheet to produce a second label sheet, wherein the timing mark is present at a position other than corners of the second label sheet, and wherein a ratio of an area of the timing mark to an area of the second label sheet is from 0.5 to 35%.Type: GrantFiled: January 23, 2004Date of Patent: April 4, 2006Assignee: Ricoh Company, Ltd.Inventors: Tomoyuki Kugo, Hiroshi Goto, Toshiaki Ikeda, Norihiko Inaba
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Publication number: 20060068191Abstract: In order to provide heat-sensitive adhesive materials that represent high pressure-sensitive adhesive strength with respect to rough adherends such as cardboards or polyolefin wraps and lower decrease of adhesive strength with time, are thermally activated with lower energy and exhibit excellent blocking resistance, heat-sensitive adhesive materials are disclosed that contain a support, an underlayer, and a heat-sensitive adhesive layer, in this order, wherein the underlayer comprises a thermoplastic resin and a hollow filler, and the glass transition temperature of the thermoplastic resin is ?70° C. or higher and below 0° C.Type: ApplicationFiled: September 13, 2005Publication date: March 30, 2006Inventors: Hiroshi Goto, Tomoyuki Kugo, Mitsunobu Morita, Norihiko Inaba, Tohru Kitano, Takehito Yamaguchi
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Publication number: 20040265573Abstract: A heat-sensitive adhesive material contains a substrate and a heat-sensitive adhesive layer that contains a thermoplastic resin and a solid plasticizer, and the heat-sensitive adhesive material is so configured as to be heated and applied to an adherend, wherein the heat-sensitive adhesive material exhibits such an adhesive strength to the adherend as to increase with time from immediately after applying the heat-sensitive adhesive material to the adherend.Type: ApplicationFiled: May 21, 2004Publication date: December 30, 2004Inventors: Mitsunobu Morita, Tomoyuki Kugo, Hiroshi Goto, Norihiko Inaba
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Publication number: 20040163556Abstract: A method for issuing a label, including feeding a first label sheet including a support and a thermosensitive adhesive layer located overlying one side of the support, wherein the first label sheet has a timing mark on the thermosensitive adhesive layer; detecting the timing mark; and cutting or semi-cutting the first label sheet to produce a second label sheet, wherein the timing mark is present at a position other than corners of the second label sheet, and wherein a ratio of an area of the timing mark to an area of the second label sheet is from 0.5 to 35%.Type: ApplicationFiled: January 23, 2004Publication date: August 26, 2004Applicant: Ricoh Company, Ltd.Inventors: Tomoyuki Kugo, Hiroshi Goto, Toshiaki Ikeda, Norihiko Inaba
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Patent number: 5827590Abstract: A thermosensitive recording adhesive label sheet has a support, a thermosensitive recording layer provided on the front side of the support, containing a leuco dye serving as a coloring agent and a color developer capable of inducing color formation in the leuco dye upon application of heat thereto, a protective layer provided on the thermosensitive recording layer, containing a binder agent, a pigment and a lubricant, an adhesive layer provided on the back side of the support, opposite to the side of the thermosensitive recording layer with respect to the support, and a disposable backing sheet which is made from a neutral paper and attached to the adhesive layer; with the lubricant for use in the protective layer including an aliphatic acid metallic salt in an amount of 2 wt. % or less of the total solid content of the protective layer.Type: GrantFiled: September 20, 1996Date of Patent: October 27, 1998Assignee: Ricoh Company, Ltd.Inventors: Mitsunobu Morita, Tomohisa Kakuda, Norihiko Inaba, Shinobu Miyauchi, Mitsuru Naruse
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Patent number: 5200385Abstract: A thermosensitive recording material comprising a leuco dye, a color developer and a water-soluble lubricant such as an alkylphosphate compound having formula (I) or (II): ##STR1## wherein R.sub.1, R.sub.2 and R.sub.3 each independently are an alkyl group, an alkynyl group or a monovalent metallic element, but they cannot be the metallic element at the same time; or ##STR2## wherein R.sub.4 is an alkyl group or an alkynyl group, and R.sub.5 is a monovalent metallic element.Type: GrantFiled: December 12, 1989Date of Patent: April 6, 1993Assignee: Ricoh Company, Ltd.Inventors: Hiroaki Inoue, Norihiko Inaba, Hiroaki Okuda, Koji Yamamoto
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Patent number: 4665410Abstract: A multi-color thermosensitive recording material comprising a support material, three or more thermosensitive coloring layer successively overlaid thereon and decolorizing intermediate layers interposed between the thermosensitive coloring layers, with at least the thermosensitive coloring layers except the thermosensitive coloring layer adjacent to the support material each comprising a basic leuco dye and a color developer capable of inducing color formation in the leuco dye upon application of thermal energy at a predetermined temperature, and each decolorizing intermediate layer containing a decolorizing agent which is capable of decolorizing the color developed in the thermosensitive coloring layer adjacent to the decolorizing intermediate layer when heated to a higher temperature than the predetermined coloring temperature for the thermosensitive coloring layer, which decolorizing agent for use in at least one of the decolorizing layers is (i) a N,N'-disubstituted aromatic diamide compound, (ii) a piperType: GrantFiled: April 18, 1986Date of Patent: May 12, 1987Assignee: Ricoh Company, Ltd.Inventors: Kiyotaka Iiyama, Norihiko Inaba
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Patent number: 4663641Abstract: A two-color thermosensitive recording adhesive label comprising a support material, a first lower thermosensitive coloring layer and a second upper thermosensitive coloring layer supported on the support material, capable of yielding two different colors, with the coloring temperature for the second thermosensitive coloring layer being lower than that for the first thermosensitive coloring layer, in which at least the second thermosensitive coloring layer contains a basic leuco dye and a color developer capable of inducing color formation in the leuco dye upon application of thermal energy, and a decolorizing agent for decoloring the color developed in the second thermosensitive coloring layer at the time of color development of the first thermosensitive coloring layer is contained in the first thermosensitive coloring layer or in a decolorizing intermediate layer interposed between the first thermosensitive coloring layer and the second thermosensitive layers, which decolorizing agent is selected from particType: GrantFiled: March 17, 1986Date of Patent: May 5, 1987Assignee: Ricoh Company, Ltd.Inventors: Kiyotaka Iiyama, Norihiko Inaba
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Patent number: D1023312Type: GrantFiled: March 18, 2022Date of Patent: April 16, 2024Assignee: GC CORPORATIONInventors: Hiroaki Hata, Norihiko Shishido, Yurie Inaba