Patents by Inventor Yasuo Shinohara
Yasuo Shinohara 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: 20190020007Abstract: Provided is a laminated porous film suitable as a non-aqueous electrolyte secondary battery separator, which includes a heat resistant layer excellent in morphological stability at a high temperature and ion permeability and more resistant to fall-off of a filler. A laminated porous film in which a heat resistant layer including a binder resin and a filler and a base porous film including a polyolefin as a principal component are laminated, wherein the filler included in the heat resistant layer substantially consists of an inorganic filler (a) having a primary particle diameter of 0.2 to 1 ?m and an inorganic filler (b) having a primary particle diameter of 0.01 to 0.1 ?m, and the particle diameter of secondary aggregates of the inorganic filler (b) is not more than 2 times the primary particle diameter of the inorganic filler (a) in the heat resistant layer.Type: ApplicationFiled: September 11, 2018Publication date: January 17, 2019Applicant: SUMITOMO CHEMICAL COMPANY, LIMITEDInventors: Hirohiko HASEGAWA, Yasunori NISHIDA, Yasuo SHINOHARA
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Patent number: 10147923Abstract: Provided is a laminated porous film suitable as a non-aqueous electrolyte secondary battery separator, which includes a heat resistant layer excellent in morphological stability at a high temperature and ion permeability and more resistant to fall-off of a filler. A laminated porous film in which a heat resistant layer including a binder resin and a filler and a base porous film including a polyolefin as a principal component are laminated, wherein the filler included in the heat resistant layer substantially consists of an inorganic filler (a) having a primary particle diameter of 0.2 to 1 ?m and an inorganic filler (b) having a primary particle diameter of 0.01 to 0.1 ?m, and the particle diameter of secondary aggregates of the inorganic filler (b) is not more than 2 times the primary particle diameter of the inorganic filler (a) in the heat resistant layer.Type: GrantFiled: October 30, 2012Date of Patent: December 4, 2018Assignee: SUMITOMO CHEMICAL COMPANY, LIMITEDInventors: Hirohiko Hasegawa, Yasunori Nishida, Yasuo Shinohara
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Publication number: 20160365555Abstract: The present invention provides a washing method and the like suitable for a long and porous battery separator and a separator producing method including the washing method. The washing method of the present invention includes the steps of (i) transferring a separator in its longitudinal direction and (ii) washing the separator by causing the separator, which is being transferred, to sequentially pass through washing waters in washing tanks.Type: ApplicationFiled: June 9, 2016Publication date: December 15, 2016Inventors: Yasuo SHINOHARA, Akihiko SHIN, Tsutomu FURUYA, Keita GENDAI, Tatsuya KATAOKA, Yoichi KAWAMURA
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Patent number: 9259900Abstract: A porous film which is produced using a resin composition containing an ultra-high-molecular-weight polyolefin and a polyolefin wax having a weight average molecular weight of 3000 or less, in which the number of branches per 1000 carbon atoms that constitute the main chain of the polyolefin wax is 15 or less; a porous film which is produced using a resin composition containing an ultra-high-molecular-weight polyolefin and a polyolefin wax having a weight average molecular weight of 3000 or less, and which does not substantially contain a component that melts at a temperature of 60° C. or lower; a laminated porous film which comprises one of the porous films and a heat-resistance porous layer laminated on at least one surface of the porous film; and a separator for batteries, which comprises the porous film or the laminated porous film.Type: GrantFiled: August 2, 2010Date of Patent: February 16, 2016Assignee: SUMITOMO CHEMICAL COMPANY, LIMITEDInventors: Hirohiko Hasegawa, Yasuo Shinohara, Daizaburo Yashiki
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Patent number: 8920845Abstract: It is intended to provide a method whereby various kinds of microcapsules, which are usable in, for example, a gene vector, can be produced in a small amount. This production method comprises: feeding a fluid containing a substance to be encapsulated into at lease one (13) of material-feeding microchannels in a substrate in which these material-feeding microchannels (12, 13, 14) and a reaction microchannel (18) connected to these material-feeding microchannels are formed; feeding an envelop-forming fluid containing a material for forming envelopes into at least one of the other material-feeding microchannels (12, 14); and allowing the envelope-forming fluid and the fluid containing the encapsulated substance that converge in the reaction microchannel from each material-feeding microchannel to flow through the reaction microchannel while continuously maintaining the interface between the fluids formed at the confluence thereof.Type: GrantFiled: November 2, 2007Date of Patent: December 30, 2014Assignee: National University Corporation Nagoya UniversityInventors: Yoshinobu Baba, Manabu Tokeshi, Noritada Kaji, Hideyoshi Harashima, Kentaro Kogure, Yasuo Shinohara, Hiroshi Kuramoto
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Publication number: 20140302389Abstract: Provided is a laminated porous film suitable as a non-aqueous electrolyte secondary battery separator, which includes a heat resistant layer excellent in morphological stability at a high temperature and ion permeability and more resistant to fall-off of a filler. A laminated porous film in which a heat resistant layer including a binder resin and a filler and a base porous film including a polyolefin as a principal component are laminated, wherein the filler included in the heat resistant layer substantially consists of an inorganic filler (a) having a primary particle diameter of 0.2 to 1 ?m and an inorganic filler (b) having a primary particle diameter of 0.01 to 0.1 ?m, and the particle diameter of secondary aggregates of the inorganic filler (b) is not more than 2 times the primary particle diameter of the inorganic filler (a) in the heat resistant layer.Type: ApplicationFiled: October 30, 2012Publication date: October 9, 2014Applicant: SUMITOMO CHEMICAL COMPANY, LIMITEDInventors: Hirohiko Hasegawa, Yasunori Nishida, Yasuo Shinohara
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Patent number: 8323837Abstract: Provided is a porous film comprising a heat-resistant resin and two or more fillers, wherein a value of D2/D1 is 0.15 or less where among values each obtained by measuring the average particle diameter of particles that constitute one of the two or more fillers, the largest value is let be D1 and the second largest value is let be D2.Type: GrantFiled: March 19, 2008Date of Patent: December 4, 2012Assignee: Sumitomo Chemical Company, LimitedInventors: Yasunori Nishida, Yasuo Shinohara, Hiroyuki Sato
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Patent number: 8313865Abstract: Provided is a separator made of a laminated porous film in which a heat-resistant layer that comprises a heat-resistant resin and a shut-down layer that comprises a thermoplastic resin are laminated, wherein the heat-resistant layer further comprises two or more fillers, and the value of D2/D1 is 0.15 or less where among values each obtained by measuring the average particle diameter of particles that constitute one of the two or more fillers, the largest value is let be D1 and the second largest value is let be D2.Type: GrantFiled: March 19, 2008Date of Patent: November 20, 2012Assignee: Sumitomo Chemical Company, LimitedInventors: Yasunori Nishida, Yasuo Shinohara, Hiroyuki Sato
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Publication number: 20120270090Abstract: The present invention provides a laminated film and a non-aqueous electrolyte secondary battery. The laminated film has a structure in which a porous film having a shutdown function, a heat resistant porous layer containing plate-like inorganic particles and a binder, and a protective porous layer are stacked on each other in this order. The non-aqueous electrolyte secondary battery comprises a positive electrode, a negative electrode, a separator located between the positive electrode and the negative electrode, and an electrolyte, wherein the separator is the above-mentioned laminated film.Type: ApplicationFiled: December 14, 2010Publication date: October 25, 2012Applicant: SUMITOMO CHEMICAL COMPANY, LIMITEDInventors: Yasuo Shinohara, Daizaburo Yashiki, Hiroyuki Sato
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Publication number: 20120251868Abstract: The present invention provides a laminated film and a non-aqueous electrolyte secondary battery. The laminated film is a laminated film in which a porous film having a shutdown function, a heat resistant porous layer consisting of an inorganic filler and a binder, and a protective porous layer are stacked on each other in this order. The non-aqueous electrolyte secondary battery is a non-aqueous electrolyte secondary battery comprising a positive electrode, a negative electrode, a separator located between the positive electrode and the negative electrode, and an electrolyte, wherein the separator is the above-mentioned laminated film.Type: ApplicationFiled: October 27, 2010Publication date: October 4, 2012Applicant: SUMITOMO CHEMICAL COMPANY, LIMITEDInventors: Yasuo Shinohara, Daizaburo Yashiki, Hiroyuki Sato
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Patent number: 8197900Abstract: There is provided a coating method for forming a coat having a less unevenness in its thickness on a sheet-like substrate. In the method in which a coating liquid is continuously supplied from a supply head to a surface of a continuously traveling sheet-like substrate to form a coat while controlling its thickness by a coating bar disposed above the sheet-like substrate, the coating liquid of which amount corresponds to an amount required for forming a predetermined coat thickness is continuously and constantly supplied to the surface of the sheet-like substrate, and the coating bar is moved up and down on the basis of increase and decrease in an amount of a holdup of the coating liquid which is formed just near the coating bar, so that the coat is formed.Type: GrantFiled: March 30, 2009Date of Patent: June 12, 2012Assignee: Sumitomo Chemical Company, LimitedInventors: Yasuo Shinohara, Koichiro Watanabe
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Publication number: 20120129034Abstract: A porous film which is produced using a resin composition containing an ultra-high-molecular-weight polyolefin and a polyolefin wax having a weight average molecular weight of 3000 or less, in which the number of branches per 1000 carbon atoms that constitute the main chain of the polyolefin wax is 15 or less; a porous film which is produced using a resin composition containing an ultra-high-molecular-weight polyolefin and a polyolefin wax having a weight average molecular weight of 3000 or less, and which does not substantially contain a component that melts at a temperature of 60° C. or lower; a laminated porous film which comprises one of the porous films and a heat-resistance porous layer laminated on at least one surface of the porous film; and a separator for batteries, which comprises the porous film or the laminated porous film.Type: ApplicationFiled: August 2, 2010Publication date: May 24, 2012Applicant: SUMITOMO CHEMICAL COMPANY, LIMITEDInventors: Hirohiko Hasegawa, Yasuo Shinohara, Daizaburo Yashiki
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Publication number: 20110159347Abstract: A separator 4 for a lithium secondary battery includes a porous film 12 including a polyolefin layer 16 and a lubricant layer 14 disposed on a surface of the porous film 12. The lubricant layer 14 includes a particulate substance 22 and has a three-dimensional surface roughness of 0.15 to 1.45 ?m. The particulate substance 22 can adhere to the surface of the porous film 12 by electrostatic attraction. The porous film 12 can further include a heat-resistant porous layer 18 between the polyolefin layer 16 and the lubricant layer 14. The separator 4 allows a winding core for the lithium secondary battery to be pulled out smoothly.Type: ApplicationFiled: April 6, 2010Publication date: June 30, 2011Inventors: Yasuyuki Shibano, Norihiro Yamamoto, Yasuo Shinohara, Koichiro Watanabe
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Publication number: 20100143482Abstract: It is intended to provide a method whereby various kinds of microcapsules, which are usable in, for example, a gene vector, can be produced in a small amount. This production method comprises: feeding a fluid containing a substance to be encapsulated into at lease one (13) of material-feeding microchannels in a substrate in which these material-feeding microchannels (12, 13, 14) and a reaction microchannel (18) connected to these material-feeding microchannels are formed; feeding an envelop-forming fluid containing a material for forming envelopes into at least one of the other material-feeding microchannels (12, 14); and allowing the envelope-forming fluid and the fluid containing the encapsulated substance that converge in the reaction microchannel from each material-feeding microchannel to flow through the reaction microchannel while continuously maintaining the interface between the fluids formed at the confluence thereof.Type: ApplicationFiled: November 2, 2007Publication date: June 10, 2010Applicant: NATIONAL UNIVERSITY CORPORATION NAGOYA UNIVERSITYInventors: Yoshinobu Baba, Manabu Tokeshi, Noritada Kaji, Hideyoshi Harashima, Kentaro Kogure, Yasuo Shinohara, Hiroshi Kuramoto
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Publication number: 20100112432Abstract: Provided is a separator made of a laminated porous film in which a heat-resistant layer that comprises a heat-resistant resin and a shut-down layer that comprises a thermoplastic resin are laminated, wherein the heat-resistant layer further comprises two or more fillers, and the value of D2/D1 is 0.15 or less where among values each obtained by measuring the average particle diameter of particles that constitute one of the two or more fillers, the largest value is let be Di and the second largest value is let be D2.Type: ApplicationFiled: March 19, 2008Publication date: May 6, 2010Applicant: Sumitomo Chemical Company LimitedInventors: Yasunori Nishida, Yasuo Shinohara, Hiroyuki Sato
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Publication number: 20100099022Abstract: A separator having a laminated porous film in which a heat-resistant layer containing a heat-resistant resin and a shut-down layer containing a thermoplastic resin are laminated, in which the heat-resistant layer has a thickness of not less than 1 ?m and not more than 10 ?m, and the heat-resistant layer further contains a filler containing substantially spherical particles.Type: ApplicationFiled: February 26, 2008Publication date: April 22, 2010Applicant: SUMITOMO CHEMCIAL COMPANY, LIMITEDInventors: Yasunori Nishida, Yasuo Shinohara, Hiroyuki Sato
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Publication number: 20100092754Abstract: Provided is a porous film comprising a heat-resistant resin and two or more fillers, wherein a value of D2/D1 is 0.15 or less where among values each obtained by measuring the average particle diameter of particles that constitute one of the two or more fillers, the largest value is let be D1 and the second largest value is let be D2.Type: ApplicationFiled: March 19, 2008Publication date: April 15, 2010Applicant: Sumitomo Chemical Company, LimitedInventors: Yasunori Nishida, Yasuo Shinohara, Hiroyuki Sato
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Publication number: 20090274954Abstract: There is provided a porous film, comprising a polymer having a thermal decomposition initiation temperature of 200° C. or more and a raw material monomer thereof, wherein a ratio of the raw material monomer is 0.05% by weight or more and 5% by weight or less based on the total weight of the polymer and the raw material monomer; and a laminated porous film, wherein the porous film and a porous film containing a thermoplastic resin are laminated.Type: ApplicationFiled: May 15, 2006Publication date: November 5, 2009Applicant: SUMITOMO CHEMICAL COMPANY, LIMITEDInventors: Hiroyuki Sato, Yasuo Shinohara, Yutaka Suzuki
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Publication number: 20090252878Abstract: There is provided a coating method for forming a coat having a less unevenness in its thickness on a sheet-like substrate. In the method in which a coating liquid is continuously supplied from a supply head to a surface of a continuously traveling sheet-like substrate to form a coat while controlling its thickness by a coating bar disposed above the sheet-like substrate, the coating liquid of which amount corresponds to an amount required for forming a predetermined coat thickness is continuously and constantly supplied to the surface of the sheet-like substrate, and the coating bar is moved up and down on the basis of increase and decrease in an amount of a holdup of the coating liquid which is formed just near the coating bar, so that the coat is formed.Type: ApplicationFiled: March 30, 2009Publication date: October 8, 2009Applicant: SUMITOMO CHEMICAL COMPANY, LIMITEDInventors: Yasuo SHINOHARA, Koichiro WATANABE
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Publication number: 20080132673Abstract: The present invention provides a film comprising component A and component B, wherein the component A is at least one compound selected from a group consisting of aromatic polyamides, aromatic polyimides, and aromatic polyamideimides, and component B is a liquid crystal polymer showing optical anisotropy in molten state, and methods for preparing films.Type: ApplicationFiled: January 16, 2008Publication date: June 5, 2008Applicant: SUMITOMO CHEMICAL COMPANY, LIMITEDInventors: Hiroyuki Sato, Yasuo Shinohara, Hiroaki Kumada