Patents by Inventor Yasuhiro Doi
Yasuhiro Doi 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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Publication number: 20050143271Abstract: A sulfur-containing detergent composition for cleaning a semiconductor device having an aluminum wire, wherein the sulfur-containing detergent composition is capable of forming a protective film containing a sulfur atom on a surface of an aluminum film in a protective film-forming test; a semiconductor device comprising a protective film containing a sulfur atom on a surface of an aluminum wire, wherein sulfur atom is contained within a region of at least 5 nm in its thickness direction from the surface of the protective film; and method for manufacturing a semiconductor device, comprising the step of contacting an aluminum wire of the semiconductor device with the sulfur-containing detergent composition as defined above, thereby forming a sulfur-containing protective film on the surface of the aluminum wire. The semiconductor device can be suitably used in the manufacture of electronic parts such as LCD, memory and CPU.Type: ApplicationFiled: December 22, 2004Publication date: June 30, 2005Inventors: Atsushi Tamura, Yasuhiro Doi
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Publication number: 20050118430Abstract: There are provided a resin composition, which has optical properties such as a high refractive index, has excellent restorability and scratch resistance, and has good adhesion to a substrate, and, when utilized as an optical member (lens) used, for example, in screens for projection televisions or the like, can satisfy various property requirements, and a cured product of the resin composition. The resin composition comprises: an epoxy (meth)acrylate oligomer having an average molecular weight of not more than 1500, a copolymer of a (meth)acrylic ester with styrene or ?-methylstyrene, a thermoplastic urethane elastomer, a (meth)acrylic ester monomer, and a photopolymerization initiator.Type: ApplicationFiled: February 20, 2003Publication date: June 2, 2005Inventors: Yasuhiro Doi, Toshiyuki Tanimura, Nobuaki Nakao
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Publication number: 20040266647Abstract: The present invention relates to a surfactant composition containing a composition containing a diol derivative (I) and a surfactant: 1Type: ApplicationFiled: April 22, 2004Publication date: December 30, 2004Inventors: Makoto Kubo, Kazuhiro Iitaka, Yohei Kaneko, Tomoko Uchiyama, Yasuhiro Doi
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Patent number: 6830754Abstract: Described in the present invention are a dispersion which comprises, as a dispersoid, (a) 5 to 40 wt. % of an amphipatic lipid containing, in the molecule thereof, at least one hydroxy and amide group, and (b) 2 to 55 wt. % of a surfactant in an aqueous medium; a washing-away type cosmetic composition comprising the dispersion; and a washing-away type cosmetic composition comprising (A) 0.01 to 10 wt. % of an amphipatic lipid which contains, in the molecule thereof, at least one hydroxy and amide group and having a melting point not less than 30° C. and (B) 5 to 95 wt. % of a surfactant. The dispersion according to the present invention is useful as a component of a washing-away type cosmetic composition having both an emulsion-like or pearl-lustrous appearance and low skin irritation.Type: GrantFiled: December 21, 1999Date of Patent: December 14, 2004Assignee: Kao CorporationInventors: Keiko Hasebe, Juri Sata, Yasuhiro Doi, Yoshinori Tamura, Masaki Inoue, Hiroshi Sonohara
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Patent number: 6809889Abstract: A radiation curable resin composition for a Fresnel lens is provided, which exhibits a high elastic modulus and a high refractive index and is superior in adhesion to the plastic substrate and is superior in transparency. A lens layer exhibits excellent shape retention over a wide temperature range and is less likely to chip and crack due to an external force. A Fresnel lens sheet using the radiation curable resin composition is also provided. The resin composition comprises, as an essential component, an epoxy (meth)acrylate (a) having an epoxy equivalent per weight of 450 g/eq or more, which has a cyclic structure and two or more (meth)acryloyl groups; a specific trifunctional (meth)acrylate (b); a (meth)acrylate (c) having a molecular weight of 700 or less from an aliphatic polyhydric alcohol having an oxypropylene structure; and a monofunctional (meth)acrylate (d) having a cyclic structure.Type: GrantFiled: October 16, 2002Date of Patent: October 26, 2004Assignees: Dainippon Ink and Chemicals, Inc., Dai Nippon Printing Co., Ltd.Inventors: Hiroyuki Tokuda, Yasunobu Hirota, Yasuhiro Doi
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Patent number: 6801372Abstract: Provided is a resin composition for lens sheet, a lens sheet, and a projection screen which by defining the mechanical properties based on the consideration of the pressure and time factor actually applied to an ionizing radiation curable resin enables obtaining excellent images without, even if any pressure has been applied to the lens sheet surface, causing crush of the configuration of the lens.Type: GrantFiled: October 7, 2003Date of Patent: October 5, 2004Assignee: Dai Nippon Printing Co., Ltd.Inventor: Yasuhiro Doi
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Publication number: 20040125465Abstract: Provided is a resin composition for lens sheet, a lens sheet, and a projection screen which by defining the mechanical properties based on the consideration of the pressure and time factor actually applied to an ionizing radiation curable resin enables obtaining excellent images without, even if any pressure has been applied to the lens sheet surface, causing crush of the configuration of the lens.Type: ApplicationFiled: October 7, 2003Publication date: July 1, 2004Inventor: Yasuhiro Doi
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Patent number: 6737050Abstract: Provided are a hair cosmetic composition comprising an ether type cationic surfactant represented by the following formula (1): wherein, R1 represents a linear or branched C6-24 alkyl or alkenyl group, R2 and R4 each represents a C1-6 alkyl group or —(AO)nH (A: a C2-4 alkylene group, n: a number of from 1 to 6 with the proviso that n pieces of A may be the same or different and their sequence is optional), R3 represents a C1-6 alkyl group or —(A′O)mH (A′: a C2-4 alkylene group, m: a number of from 1 to 6 with the proviso that m pieces of A may be the same or different and their sequence is optional), and X− represents an anion; a hair cleansing composition containing the cationic surfactant(1); and a method of treating hair with these compositions. The hair cosmetic composition of the present invention can impart good flexibility and smoothness to hair not only when it is wetted but also after drying.Type: GrantFiled: December 27, 2001Date of Patent: May 18, 2004Assignee: Kao CorporationInventors: Yasuhiro Doi, Keiko Hasebe, Hiroyuki Masuda, Tetsuaki Fukushima, Uichiro Nishimoto, Hiroshi Abe
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Patent number: 6650471Abstract: A resin composition for production of an optical element being adapted to form the optical element has a characteristics of which, when W1/2 (° C.) represents, regarding a crest portion in a loss factor/temperature curve obtained by measuring the loss factor of the resin composition relative to a change in the temperature, the width of the crest portion at the position of ½ of the maximum value of the loss factor in the crest portion temperature range; W0.1 (° C.) represents, regarding the crest portion, the width of the crest portion at the position of 0.1 of the maximum value of the loss factor; and &Dgr;W (° C.), the difference between the widths of the two crest portions, is set to be &Dgr;W=W0.1−W1/2, the &Dgr;W is in the range of from 16° C. to 31° C.Type: GrantFiled: September 16, 2002Date of Patent: November 18, 2003Assignee: Dai Nippon Printing Co., Ltd.Inventor: Yasuhiro Doi
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Patent number: 6639736Abstract: Disclosed are a base plate for use for a lens sheet that can realize the unlikeliness to be cracked while the self-sustenance of the lens sheet is being maintained, the lens sheet, and a projection screen comprising that lens sheet. In a base plate, the base plate constructing a lens sheet as a base sheet for a UV-curable resin layer by being bonded to the UV-curable resin layer and being made of ductile materials, the breaking flexure by bending of the ductile material is 0.08 or more; and the Izod impact value thereof is 5 KJ/m2 or more. Also, in a base plate consisting of fragile material, there is used a material that has respective physical properties wherein when it is assumed that F (MPa) represents the shearing force of the UV-curable resin; h (m) represents the thickness of the base plate; E (MPa) represents the bending modulus of elasticity of the fragile material; and &ohgr; (dimensionless quantity) represents the breaking flexure by bending, the relationship of F/hE&ohgr;<1.5 holds true.Type: GrantFiled: December 17, 2001Date of Patent: October 28, 2003Assignee: Dai Nippon Printing Co., Ltd.Inventors: Hitomu Watanabe, Makoto Kimura, Ryuji Hashimoto, Yasuhiro Doi
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Publication number: 20030147822Abstract: Provided is a conditioner composition, which comprises a tertiary amine represented by the following formula (1): 1Type: ApplicationFiled: August 5, 2002Publication date: August 7, 2003Applicant: KAO CORPORATIONInventors: Yasuhiro Doi, Takeshi Kaharu, Hiroyuki Masuda, Yoshimasa Okamoto
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Publication number: 20030113544Abstract: A radiation curable resin composition for a Fresnel lens is provided, which exhibits a high elastic modulus and a high refractive index and is superior in adhesion to the plastic substrate and is superior in transparency. A lens layer exhibits excellent shape retention over a wide temperature range and is less likely to chip and crack due to an external force. A Fresnel lens sheet using the radiation curable resin composition is also provided. The resin composition comprises, as an essential component, an epoxy (meth)acrylate (a) having an epoxy equivalent per weight of 450 g/eq or more, which has a cyclic structure and two or more (meth)acryloyl groups; a specific trifunctional (meth)acrylate (b); a (meth)acrylate (c) having a molecular weight of 700 or less from an aliphatic polyhydric alcohol having an oxypropylene structure; and a monofunctional (meth)acrylate (d) having a cyclic structure.Type: ApplicationFiled: October 16, 2002Publication date: June 19, 2003Applicants: DAINIPPON INK AND CHEMICALS, INC., DAI NIPPON PRINTING CO., LTD.Inventors: Hiroyuki Tokuda, Yasunobu Hirota, Yasuhiro Doi
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Publication number: 20030081311Abstract: A resin composition for production of an optical element being adapted to form the optical element has a characteristics of which, when W1/2 (° C.) represents, regarding a crest portion in a loss factor/temperature curve obtained by measuring the loss factor of the resin composition relative to a change in the temperature, the width of the crest portion at the position of ½ of the maximum value of the loss factor in the crest portion temperature range; W0.1 (° C.) represents, regarding the crest portion, the width of the crest portion at the position of 0.1 of the maximum value of the loss factor; and &Dgr;W (° C.), the difference between the widths of the two crest portions, is set to be &Dgr;W=W0.1−W1/2, the &Dgr;W is in the range of from 16° C. to 31° C.Type: ApplicationFiled: September 16, 2002Publication date: May 1, 2003Inventor: Yasuhiro Doi
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Publication number: 20020171928Abstract: Disclosed are a base plate for use for a lens sheet that can realize the unlikeliness to be cracked while the self-sustenance of the lens sheet is being maintained, the lens sheet, and a projection screen comprising that lens sheet. In a base plate, the base plate constructing a lens sheet as a base sheet for a UV-curable resin layer by being bonded to the UV-curable resin layer and being made of ductile materials, the breaking flexure by bending of the ductile material is 0.08 or more; and the Izod impact value thereof is 5 KJ/m2 or more. Also, in a base plate consisting of fragile material, there is used a material that has respective physical properties wherein when it is assumed that F (MPa) represents the shearing force of the UV-curable resin; h (m) represents the thickness of the base plate; E (MPa) represents the bending modulus of elasticity of the fragile material; and &ohgr; (dimensionless quantity) represents the breaking flexure by bending, the relationship of F/hE&ohgr;<1.5 holds true.Type: ApplicationFiled: December 17, 2001Publication date: November 21, 2002Inventors: Hitomu Watanabe, Makoto Kimura, Ryuji Hashimoto, Yasuhiro Doi
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Publication number: 20020159966Abstract: Provided are a hair cosmetic composition comprising an ether type cationic surfactant represented by the following formula (1): 1Type: ApplicationFiled: December 27, 2001Publication date: October 31, 2002Applicant: Kao CorporationInventors: Yasuhiro Doi, Keiko Hasebe, Hiroyuki Masuda, Tetsuaki Fukushima, Uichiro Nishimoto, Hiroshi Abe
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Patent number: 6447900Abstract: The present invention provides a pressure-sensitive adhesive having a storage modulus from 1×105 to 1×106 dyne/cm2 and at a frequency of 1 Hz; and having a gel fraction of 55% or more when the storage modulus is measured at a temperature of 25° C. in dynamic viscoelasticity measurement. Its pressure-sensitive adhesive product can be obtained by the process, for example, for producing the (meth)acrylate emulsion-type pressure-sensitive adhesive which comprises adding the polymerization-initiator(s) at separate multi-steps to the present reaction system in the presence of polymerization-initiator(s) at the time of polymerizing alkyl (meth)acrylate and which comprises using a water-soluble polymerization-initiator at least one time during or after the second step of adding the polymerization-initiator(s).Type: GrantFiled: September 27, 1999Date of Patent: September 10, 2002Assignee: Toyo Ink Manufacturing Co., Ltd.Inventors: Shoji Ohtani, Yasuhiro Doi, Yoshinobu Ishikawa, Toshitaka Sakuda, Kenichi Shiba
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Publication number: 20020063061Abstract: Provided are a method of reproducing a die that enables reproducing a long-life of die in large number and a property check method of a die that enables determining within a short period of time whether the property of a master die is good. The method of reproducing a die includes a deposition film forming process that forms a deposition film on the surface of a concavities/convexities pattern of a product that has been molded using a stamper die and an electroforming process that manufactures a second stamper die equipped with a reverse concavities/convexities pattern, through the electroforming, on the surface of the concavities/convexities pattern of the product having formed thereon the deposition film.Type: ApplicationFiled: November 8, 2001Publication date: May 30, 2002Inventors: Yasuhiro Doi, Yukifumi Uotani
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Publication number: 20020058052Abstract: Described in the present invention are a dispersion which comprises, as a dispersoid, (a) 5 to 40 wt. % of an amphipatic lipid containing, in the molecule thereof, at least one hydroxy and amide group, and (b) 2 to 55 wt. % of a surfactant in an aqueous medium; a washing-away type cosmetic composition comprising the dispersion; and a washing-away type cosmetic composition comprising (A) 0.01 to 10 wt. % of an amphipatic lipid which contains, in the molecule thereof, at least one hydroxy and amide group and having a melting point not less than 30° C. and (B) 5 to 95 wt. % of a surfactant. The dispersion according to the present invention is useful as a component of a washing-away type cosmetic composition having both an emulsion-like or pearl-lustrous appearance and low skin irritation.Type: ApplicationFiled: December 21, 1999Publication date: May 16, 2002Inventors: KEIKO HASEBE, JURI SATA, YASUHIRO DOI, YOSHINORI TAMURA, MASAKI INOUE, HIROSHI SONOHARA
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Patent number: 5919559Abstract: The present invention provides an ink jet recording sheet having a good printing quality and an excellent ink absorbency. The recording sheet comprises a substrate sheet and an ink-absorbing layer, provided on at least one face of the substrate sheet, containing a water soluble resin or water dispersible resin (A) and an ester group-possessing nonionic surfactant (B) having an HLB of 11 or more, wherein the ratio of the component (A) to the component (B) is (A):(B)=100:0.01 to 30 (weight ratio).Type: GrantFiled: September 23, 1996Date of Patent: July 6, 1999Assignee: Kao CorporationInventors: Yukihiro Nakano, Masafumi Miyamoto, Yasuhiro Doi
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Patent number: 5879589Abstract: The present invention provides a process for the antistatic treatment of a resin which comprises dispersing the following organically-modified layer silicate in a synthetic resin in the state that the following specific state is attained. A novel resin composition is provided, comprising an organically-modified layer silicate compound having a specific volume resistivity of not more than 1.times.10.sup.13 .OMEGA..multidot.cm dispersed in a synthetic resin in a proportion of from 2 to 30 parts by weight based on 100 parts by weight of said synthetic resin in the state that (1) a primary aggregate and/or a secondary aggregate having a short axis length of not more than 500 nm is formed and (2) the average minimum interparticle distance is not more than 500 nm.Type: GrantFiled: January 31, 1997Date of Patent: March 9, 1999Assignee: Kao CorporationInventors: Seiichi Miyanaga, Yasuhiro Doi, Kenichi Nishimura, Isao Nishi, Yuzo Sumida