Patents by Inventor Eiji Kashihara
Eiji Kashihara 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: 11441003Abstract: The present invention is a composition of an agent for treating a precursor of a three-dimensional object for removing a support material from the precursor of the three-dimensional object containing a three-dimensional object and the support material containing a (meth)acrylic acid-based copolymer having a hydrophilic monomer and a hydrophobic monomer as a monomer unit; the composition of the agent for treating the precursor of the three-dimensional object having at least one or more type of organic amine compounds selected from the group consisting of a secondary monoamine compound, a tertiary monoamine compound, a secondary diamine compound, and a tertiary diamine compound; in which a total content of alkali metal hydroxide and alkali metal carbonate is less than a content of the organic amine compound and less than 2.5% by mass.Type: GrantFiled: May 17, 2016Date of Patent: September 13, 2022Assignee: KAO CORPORATIONInventors: Ryouichi Hashimoto, Eiji Kashihara
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Publication number: 20200180226Abstract: The three-dimensional object precursor treatment agent composition according to the present invention is for removing, from a three-dimensional object precursor having a support material and a modeling material, the support material, and contains an alkali metal hydroxide, an anionic emulsifier, and water. The three-dimensional object precursor treatment agent composition according to the present invention can remove the support material more quickly and sufficiently than in the prior art. Also, provided is a method for producing a three-dimensional object by an inkjet ultraviolet light curing technique using the three-dimensional object precursor treatment agent composition.Type: ApplicationFiled: August 22, 2018Publication date: June 11, 2020Applicant: KAO CORPORATIONInventors: Ryouichi HASHIMOTO, Eiji KASHIHARA
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Publication number: 20190185634Abstract: The present invention is a composition of an agent for treating a precursor of a three-dimensional object for removing a support material from the precursor of the three-dimensional object containing a three-dimensional object and the support material containing a (meth)acrylic acid-based copolymer having a hydrophilic monomer and a hydrophobic monomer as a monomer unit; the composition of the agent for treating the precursor of the three-dimensional object having at least one or more type of organic amine compounds selected from the group consisting of a secondary monoamine compound, a tertiary monoamine compound, a secondary diamine compound, and a tertiary diamine compound; in which a total content of alkali metal hydroxide and alkali metal carbonate is less than a content of the organic amine compound and less than 2.5% by mass.Type: ApplicationFiled: May 17, 2016Publication date: June 20, 2019Applicant: Kao CorporationInventors: Ryouichi HASHIMOTO, Eiji KASHIHARA
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Publication number: 20090078154Abstract: To provide a coating agent capable of forming a coating film having high hardness, high rubbing resistance, and strong adhesibility, without necessitating a high-temperature treatment as in a conventional method, even when titanium oxide having a high refractive index is used and a process for producing the coating agent; a coating film formed by applying the above-mentioned coating agent and a process for producing the coating film; and an optical instrument comprising the above-mentioned coating film and a process for producing the optical instrument.Type: ApplicationFiled: April 7, 2006Publication date: March 26, 2009Inventors: Yasushi Sasaki, Eiji Kashihara, Kouji Kinuta, Hiroji Hosokawa
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Publication number: 20080132439Abstract: A cleaning agent composition for a treated tool comprising an alkyl glycoside, a glyceryl ether, a hydrocarbon and water, and a cleaning process using the cleaning agent composition. The cleaning agent composition is used upon washing a surface of a silicone-treated tool, a liquid crystal-treated tool, a copper plate, or the like.Type: ApplicationFiled: December 21, 2005Publication date: June 5, 2008Inventors: Akito Itoi, Eiji Kashihara, Katsuhiko Rindo, Ryoichi Hashimoto
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Patent number: 6310020Abstract: A stripping composition for a resist comprising a polycarboxylic acid and/or a salt thereof, and water, wherein a pH of the stripping composition is less than 8; and a stripping composition for a resist comprising 0.01 to 90% by weight of an organic acid and/or a salt thereof, 2 to 74% by weight of water, and 0.5 to 90% by weight of an organic solvent, wherein a pH of the stripping composition is less than 8; and a method of stripping a resist from a substrate, comprising applying one of the stripping composition to the substrate.Type: GrantFiled: October 25, 1999Date of Patent: October 30, 2001Assignee: Kao CorporationInventors: Mami Shirota, Kozo Kitazawa, Eiji Kashihara, Eiji Nagoshi
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Patent number: 5954891Abstract: A detergent composition for removing resinous stains including (a) an aromatic compound represented by the general formula (1); and (b) an alkylene oxide compound represented by the general formula (2); and optionally including (c) an alkali metal hydroxide; and (d) water.Type: GrantFiled: January 8, 1998Date of Patent: September 21, 1999Assignee: Kao CorporationInventors: Junji Kondoh, Eiji Kashihara
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Patent number: 5567348Abstract: A detergent composition for precision parts or jigs includes (a) a hydrocarbon having a 10-18 carbon atoms,, (b) polyalkylene glycol C.sub.1 -C.sub.3 alkyl ether, and (c) a polyalkylene glycol C.sub.4 -C.sub.8 alkyl ether, wherein a weight ratio of component (a) to the sum of components (b) and (c), (a)/[(b)+(c)], is from 5/95 to 95/5, and a weight ratio of component (b) to component (c), (b)/(c), is from 5/95 to 95/5. The composition is excellent in removing smears such as fats and/or oils, machine oils, cutting oils, greases, liquid crystals, and/or rosin fluxes which have adhered to surfaces of precision parts or jigs. The present composition also exhibits excellent rinsability and high safety and is free of any fear of environmental pollution.Type: GrantFiled: February 28, 1995Date of Patent: October 22, 1996Assignee: Kao CorporationInventors: Masanori Nozawa, Eiji Kashihara
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Patent number: 5522940Abstract: Disclosed is a process for cleaning electronic parts or precision parts which comprises the steps of: washing the parts with a cleaning agent composition, rinsing the washed parts with water having a temperature of from 5.degree. to 100.degree. C., and maintaining the rinsing waste water at a temperature of 20.degree. C. or higher to effect separation of organic substances. The cleaning agent composition contains, as active cleaning components, a nonionic surface active agent and a compound selected from the group consisting of hydrocarbon compounds and slightly water soluble alkyl esters or alkyl ketones.Type: GrantFiled: November 4, 1994Date of Patent: June 4, 1996Assignee: Kao CorporationInventors: Kozo Kitazawa, Eiji Kashihara
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Patent number: 5350457Abstract: A detergent composition which can effectively cleanse electronic and precision parts and produces waste effluent water which is very easily treated is disclosed. The detergent composition comprises one or more nonionic surface active agents and, when diluted with water to a concentration of 5%, the aqueous solution has a cloud point of 5.degree.-100.degree. C. Disclosed is also a process for cleansing electronic and precision parts comprising the steps 1) to 3): 1) cleaning the electronic and precision parts with a detergent composition comprising one or more nonionic surface active agents and wherein a 5% by weight of aqueous solution of said detergent composition has a cloud point of 5.degree.-100.degree. C., or with an aqueous solution of this detergent composition, at a temperature below said cloud point, 2) rinsing the electronic and precision parts with a rinse water resulted in step 1) at a temperature of 5.degree.-100.degree. C.Type: GrantFiled: August 27, 1993Date of Patent: September 27, 1994Assignee: Kao CorporationInventors: Kozo Kitazawa, Eiji Kashihara
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Patent number: 4277473Abstract: Compounds having the formula ##STR1## wherein a is 0 or 1, R.sub.1 is hydrogen or lower alkyl, A is lower alkylene or lower alkylidene, and R.sub.2 and R.sub.3, which can be the same or different, are hydrogen, lower alkyl, cycloalkyl, benzyl or substituted benzyl, or ##STR2## is a saturated heterocyclic ring, and acid addition salts thereof, possess anti-viral activity and reduced activity on the central nervous system.Type: GrantFiled: December 12, 1979Date of Patent: July 7, 1981Assignees: Kao Soap Co., Ltd., Sumitomo Chemical Industries Ltd.Inventors: Yoshiaki Inamoto, Motoyoshi Osugi, Eiji Kashihara
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Patent number: 4272536Abstract: A compound having the formula ##STR1## wherein a is 0 or 1, R.sub.1 is hydrogen or lower alkyl, A is lower alkylene or lower alkylidene, and R.sub.2 and R.sub.3, which can be the same or different, are hydrogen, lower alkyl, cycloalkyl, benzyl or substituted benzyl, or ##STR2## form a saturated heterocyclic ring, and pharmacologically acceptable acid addition salt thereof, exhibits anti-viral activity and is free from significant effect on the central nervous system.Type: GrantFiled: December 12, 1979Date of Patent: June 9, 1981Assignees: Kao Soap Co., Ltd., Sumitomo Chemical Industries Ltd.Inventors: Yoshiaki Inamoto, Motoyoshi Osugi, Eiji Kashihara
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Patent number: 4248891Abstract: Compounds having the formula ##STR1## in which R is lower alkyl, and acid addition salts of said compounds. The compounds possess anti-RNA-viral activity and also an antiviral activity against herpes virus.Type: GrantFiled: December 7, 1979Date of Patent: February 3, 1981Assignees: Kao Soap Co., Ltd., Sumitomo Chemical Industries, Ltd.Inventors: Yoshiaki Inamoto, Motoyoshi Osugi, Eiji Kashihara
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Patent number: 4059643Abstract: The hydride transfer reduction rearrangement of 8-exo-hydroxymethyl-endo-tricyclo [5.2.1.0.sup.2,6 ] decane in the presence of concentrated sulfuric acid and a hydride source provides 4-homoisotwistane (tricyclo [5.3.1.0.sup.3,8 ] undecane).Type: GrantFiled: November 26, 1976Date of Patent: November 22, 1977Assignee: Kao Soap Co., Ltd.Inventors: Yoshiaki Inamoto, Yoshiaki Fujikura, Kiyoshi Tsuchihashi, Eiji Kashihara