Patents by Inventor Tomohiro Toya
Tomohiro Toya 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: 6425792Abstract: Disclosed is a method for producing an electrochromic device in which to provide an opening in the surface of each of the two electrically conductive substrates of the cell, not in the end surface of the opposed substrates, to insert into one of the openings an elastically deformable sealing member; to fill the inside of the cell by vacuum-injecting an electrolyte or the precursor thereof through the other opening which remains open; to push the sealing member up to the opening for injecting the electrolyte or the precursor so as to dose this opening as well; and to bond the sealing member extending through the two openings to each of the substrates with an adhesive.Type: GrantFiled: March 29, 1999Date of Patent: July 30, 2002Assignee: Nippon Mitsubishi Oil CorporationInventors: Tomohiro Toya, Yukio Kobayashi, Yoshinori Nishikitani
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Patent number: 6302986Abstract: Disclosed is a method for producing an electrochromic device providing an opening in the surface of each of the two electrically conductive substrates of the cell, not in the end surface of the opposed substrates, to fill the inside of the hollow cell with an electrolyte or the precursor thereof by injecting through the injection port, to seal temporarily the injection port with a material which can be deformably inserted into the port and to seal secondarily the temporarily sealed port by applying thereon only an adhesive or a sheet-like member over the adhesive.Type: GrantFiled: March 30, 1999Date of Patent: October 16, 2001Assignee: Nippon Mitsubishi Oil Corp.Inventors: Tomohiro Toya, Yukio Kobayashi, Yoshinori Nishikitani
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Patent number: 6293843Abstract: A method for producing an electrochromic device in which to provide in the end surface of the cell an opening having a passage formed by a butyl rubber and extending not perpendicular to the end surface, to injecting an electrolyte through the opening, to seal or closing the opening by pressing deformably the outer peripheral wall of the passage so as to abut against the inner peripheral wall and to seal secondarily the sealed portion with an adhesive.Type: GrantFiled: March 30, 1999Date of Patent: September 25, 2001Assignee: Nippon Mitsubishi Oil CorporationInventors: Tomohiro Toya, Soichi Uchida, Masaaki Kobayashi, Yoshinori Nishikitani
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Patent number: 6118573Abstract: An electrode for an electrochromic device is disclosed having an electrically conductive substrate and a plurality of capacitive members arranged on the substrate, each of the capacitive members containing fine particles bound together with a binder, the fine particles having electric capacity of not less than 1 farad/g, the binder in the capacitive member having degree of swelling of not higher than 20 mass % when measured after the binder in the capacitive member is immersed in .gamma.-butyrolactone at 25.degree. C. for 24 hours. Also disclosed is an electrochromic device having the above electrode as a counterelectrode, an electrochromic electrode, and an electrolyte interposed therebetween.Type: GrantFiled: December 24, 1997Date of Patent: September 12, 2000Assignee: Nippon Oil Co., Ltd.Inventors: Takaya Kubo, Tomohiro Toya, Yukio Kobayashi
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Patent number: 5110698Abstract: A rewritable or repeatedly employable recording medium having a base and a recording layer film provided on said base, characterized in that said recording layer film is formed by a thermotropic cholesteric liquid crystal polyester.Type: GrantFiled: April 9, 1990Date of Patent: May 5, 1992Assignee: Nippon Oil Company Ltd.Inventors: Hajime Hara, Shingo Orii, Tetsuo Satoh, Tomohiro Toya, Shigeki Iida
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Patent number: 5097016Abstract: A nonlinear optical material obtained by blending 50-99% by weigth of a polypeptide and 1-50% by weight of a compound exerting a nonlinear optical response has a very large nonlinear optical constant, exterts a high and stable SHG activity and easily undergoes phase matching.Type: GrantFiled: April 6, 1989Date of Patent: March 17, 1992Assignee: Nippon Oil Co., Ltd.Inventors: Takafumi Ishii, Takehiro Toyooka, Shigeki Iida, Tomohiro Toya, Itoh Hiroyuki, Hajime Hara, Satoh Tetsuo
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Patent number: 4999416Abstract: Provided is a wholly aromatic polyester superior in melt processability and tenacity which consists essentially of the following structural units (A), (B) and (C) and wherein 0.2 to 40 mole % of the total of said units are of ortho configuration; ##STR1## where Ar.sup.1 and Ar.sup.2 each represent a divalent aromatic hydrocarbon group having 6 to 20 carbon atoms, the hydrogen atoms of said aromatic hydrocarbon group may be substituted with a halogen atom, an alkyl or alkoxy group having 1 to 4 carbon atoms, or phenyl; Z is ##STR2## --O--, or --SO.sub.2 --; m is 0 or 1, at least 60 mole % of Ar.sup.1 being constituted by a group selected from 1,4-phenylene, substituted 1,4-phenylenes, naphthyl and 4,4'-biphenyl.Type: GrantFiled: January 19, 1990Date of Patent: March 12, 1991Assignee: Nippon Oil Company, LimitedInventors: Tadahiro Kaminade, Shigeki Iida, Tomohiro Toya, Hajime Hara
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Patent number: 4933243Abstract: A rewritable or repeatedly employable recording medium having a base and a recording layer film provided on said base, characterized in that said recording layer film is formed by a thermotropic cholesteric liquid crystal polyester.Type: GrantFiled: August 15, 1988Date of Patent: June 12, 1990Assignee: Nippon Oil Company, LimitedInventors: Hajime Hara, Shingo Orii, Tetsuo Satoh, Tomohiro Toya, Shigeki Iida
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Patent number: 4891418Abstract: A cholesteric liquid crystal polyester comprising the following structural units (A), (B) and (C): ##STR1## wherein Ar.sup.1 and Ar.sup.2 represent each independently a divalent aromatic hydrocarbon group having 6 to 20 carbon atoms, of which one or more hydrogen atoms may be substituted by one or more halogen atoms, alkyl or alkoxy groups having 1 to 4 carbon atoms, provided that at least 60 mol % of Ar.sup.1 in the polymer is constituted by at least one group selected from 1,4-phenyl group, 2,6-naphthyl group and 4,4'-biphenyl group.Type: GrantFiled: September 6, 1988Date of Patent: January 2, 1990Assignee: Nippon Oil Company, Ltd.Inventors: Hajime Hara, Tomohiro Toya, Shigeki Iida, Tetsuo Satoh
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Patent number: 4746722Abstract: A cholesteric liquid crystal polyester consisting essentially of the following structural units (A), (B), (C) and (D): ##STR1##Type: GrantFiled: June 22, 1987Date of Patent: May 24, 1988Assignee: Nippon Oil Company, LimitedInventors: Shigeki Iida, Yoshihiro Kobori, Hajime Hara, Tomohiro Toya, Tetsuo Satoh
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Patent number: 4738811Abstract: A process for producing a cholesteric liquid crystal polyester film or sheet possessing an ordered planar texture (monodomain structure), which process comprises providing a cholesteric liquid crystal polyester in which 1 to 10 mol % of constituent monomer units are optically active, allowing the cholesteric liquid crystal polyester to be formed in the temperature range of 150.degree. to 350.degree. into a film or sheet having a thickness not larger than 100 .mu.m, and then cooling the film or sheet rapidly.Type: GrantFiled: September 19, 1986Date of Patent: April 19, 1988Assignee: Nippon Oil Company, LimitedInventors: Hajime Hara, Shingo Orii, Tetsuo Satoh, Tomohiro Toya, Shigeki Iida
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Patent number: 4734483Abstract: A cholesteric liquid crystal polyester consisting essentially of structural units represented by the following formulae (A), (B) and (C): ##STR1## which is optically active; and ##STR2## wherein X is hydrogen, halogen, or alkyl having not more than four carbon atoms.Type: GrantFiled: August 21, 1986Date of Patent: March 29, 1988Assignee: Nippon Oil Company, LimitedInventors: Tomohiro Toya, Tetsuo Satoh, Shigeki Iida, Hajime Hara, Shingo Orii
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Patent number: 4698397Abstract: A process for preparing a cholesteric liquid crystal copolyester consisting essentially of structural units represented by the following formula (A), (B), (C) and (D): ##STR1## which is optically active characterized in that a polyethylene terephthalate oligomer having a (B)/(A) mole ratio in the range of 1.1 to 1.8, p-acetoxybenzoic acid and 3-methyladipic acid are reacted to prepare the final cholesteric liquid crystal copolyester having an inherent viscosity of at least 0.4 dl/g.Type: GrantFiled: August 28, 1986Date of Patent: October 6, 1987Assignee: Nippon Oil Company, Ltd.Inventors: Tomohiro Toya, Hajime Hara, Shigeki Iida, Tetsuo Satoh
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Patent number: 4652626Abstract: A cholesteric liquid crystal polyester consisting essentially of structural units represented by the following formulae (A), (B), (C), (D) and (E): ##STR1## the units (A) and (B) being present each in a proportion of 5 to 50 mol %, the unit (C) present in a proportion of 20 to 80 mol %, and the units (D) and (E) present each in a proportion of 1 to 40 mol %.Type: GrantFiled: February 26, 1986Date of Patent: March 24, 1987Assignee: Nippon Oil Company, LimitedInventors: Shingo Orii, Hajime Hara, Tetsuo Satoh, Tomohiro Toya, Shigeki Iida