Patents by Inventor Hiroki Tomioka
Hiroki Tomioka 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).
-
Publication number: 20130313186Abstract: Provided is a composite semipermeable membrane comprising a microporous support membrane and a separation functional layer formed thereon, wherein the separation functional layer is formed from Compound (A) in which a reactive group(s) having an ethylenically unsaturated group and a hydrolyzable group(s) are bonded directly to a silicon atom, Compound (B) having an ethylenically unsaturated group, the Compound (B) being different from said Compound (A), and Compound (C) having an ethylenically unsaturated group, the Compound (C) being different from said Compound (A) and (B), by condensation of hydrolyzable groups that the Compound (A) has and polymerization of ethylenically unsaturated groups that the Compound (A), the Compound (B), and the Compound (C) have, and the Compound (A), the Compound (B), and the Compound (C) satisfy the relationship of the following equation (I): |QA?QC|+|QB?QC|=|QA?QB|??(I) (QX represents an Alfrey-Price Q value of Compound X).Type: ApplicationFiled: December 5, 2011Publication date: November 28, 2013Applicant: TORAY INDUSTRIES, INC.Inventors: Hiroki Minehara, Koji Nakatsuji, Hiroki Tomioka
-
Publication number: 20130098832Abstract: Provided is a semi-permeable composite membrane which exhibits both high durability and high solute-removal and water-permeation performances. The semi-permeable composite membrane is formed from a porous support membrane and a polymer membrane. The polymer membrane is formed of at least one type of polymer (a) with a positive charge in the repeating unit and at least one type of polymer (b) with a negative charge in the repeating unit and has a crosslinked structure formed by siloxane bonds between the polymer (a) and the polymer (a), between the polymer (a) and the polymer (b), and/or between the polymer (b) and the polymer (b).Type: ApplicationFiled: April 14, 2011Publication date: April 25, 2013Applicants: TORAY INDUSTRIES, INC., NATIONAL UNIVERSITY CORPORATION KOBE UNIVERSITYInventors: Hideto Matsuyama, Yoshikage Ohmukai, Harutoki Shimura, Masahiro Henmi, Hiroki Tomioka, Koji Nakatsuji, Masaaki Imanishi
-
Publication number: 20120305473Abstract: Provided is a composite semipermeable membrane having a polyamide separation-functional layer on a porous support layer, wherein the polyamide separation-functional layer has a yellow index of 10 to 40, and the actual length of the polyamide separation-functional layer per 1 ?m-length of the porous support layer is from 2 ?m to 5 ?m, or a composite semipermeable membrane having on a porous support layer a polyamide separation-functional layer prepared by polycondensation of polyfunctional amines with polyfunctional acid halides, wherein the polyamide separation-functional layer is formed by the steps of (A) interfacial polycondensation in which polyfunctional amines and polyfunctional acid halides are brought into contact at 40° C. to 70° C. and subsequent (B) heat treatment at 70° C. to 150° C. The composite semipermeable membrane according to the present invention has high boron removal performance and high water permeation performance.Type: ApplicationFiled: February 17, 2011Publication date: December 6, 2012Applicant: TORAY INDUSTRIES, INC.Inventors: Takafumi Ogawa, Hiroki Tomioka, Masahiro Kimura, Masaki Higashi, Kiyohiko Takaya, Masakazu Koiwa
-
Publication number: 20110139708Abstract: An object of the present invention is to provide a composite semipermeable membrane which has excellent chemical resistance, separation performance, and water permeability, and the composite semipermeable membrane has the following structure. The present invention provides a composite semipermeable membrane in which an separation function layer is formed on a microporous supporting membrane, wherein the separation function layer is formed from (A) a silicon compound in which a reactive group having an ethylenically unsaturated group and a hydrolyzable group are directly bonded to silicon atoms, and (B) a compound having an ethylenically unsaturated group other than the silicon compound, by condensation of the hydrolyzable group of the silicon compound (A) and polymerization of the ethylenically unsaturated group of the silicon compound (A) and the ethylenically unsaturated group of the compound (B) having the ethylenically unsaturated group.Type: ApplicationFiled: September 11, 2009Publication date: June 16, 2011Applicant: TORAY INDUSTRIES, INC.Inventors: Jun Okabe, Hiroki Tomioka, Masahiro Henmi
-
Publication number: 20110132834Abstract: In manufacturing a composite semipermeable membrane useful for separating a liquid mixture selectively, it is rendered possible to provide a composite semipermeable membrane that exhibits reduced deterioration of water permeability and solute removing property as a result of drying and that demonstrates reduced economic burden and load for waste liquid treatment without impairing the water permeability or solute removal ratio of the composite semipermeable membrane through change of the membrane manufacturing method, by making a saccharide exist in an aqueous polyfunctional amine solution in performing interfacial polycondensation by bringing the aqueous solution of the polyfunctional amine into contact with an organic solvent solution containing a polyfunctional acid halide on a microporous support membrane.Type: ApplicationFiled: October 26, 2009Publication date: June 9, 2011Inventors: Hiroki Tomioka, Aki Katsuno, Masahiro Henmi
-
Publication number: 20110017662Abstract: In order to obtain a composite separation membrane which has excellent chemical resistance, separation performance and water permeability at the same time, the present invention provides a composite separation membrane comprising a separation function layer on a porous supporting membrane, characterized in that the separation function layer contains at least a polymer of a polyhedral silsesquioxane represented by the following general formula (a) and a hydrophilic monomer. (R1SiO1.5)n(R2SiO1.5)m??General Formula (a) (In the formula, R1 includes a polymerizable reactive moiety; R2 represents a hydrogen atom or an alkyl group, which may be substituted; and n and m each represent an integer satisfying n?2 or m?0, with n+m being 8, 10 or 12.Type: ApplicationFiled: March 10, 2009Publication date: January 27, 2011Applicant: TORAY INDUSTRIES, INC.Inventors: Jun Okabe, Hiroki Tomioka, Masahiro Henmi
-
Patent number: 7641054Abstract: A composite semipermeable membrane, which comprises a separating functional layer comprising a reactant of polyfunctional amine with polyfunctional acid halide, wherein a water-soluble organic material is in contact with the separating functional layer, and the separating functional layer has a boron removal ratio of 95% or more, when seawater at 25° C. having a pH of 6.5, a boron concentration of 5 ppm and a TDS concentration of 3.5% by weight is permeated under an operation pressure of 5.5 MPa.Type: GrantFiled: November 4, 2005Date of Patent: January 5, 2010Assignee: Toray Industries, Inc.Inventors: Takao Sasaki, Hiroki Tomioka, Koji Nakatsuji
-
Publication number: 20090071903Abstract: There is provided a composite semipermeable membrane that shows a high salt removal ratio and high performance in rejecting boron that is not dissociated in the neutral region. The composite semipermeable membrane is produced by a process that includes forming a separating functional polyamide layer on a porous substrate film, while using an organic solvent solution containing a specific cyclic aliphatic compound or a specific aromatic compound such that a polyamide molecule that forms the separating functional polyamide layer has a partial structure composed of “a cyclic aliphatic group or an aromatic group having at least two specific substituents, at least one of which contains a heteroatom bond and a carbonyl group at the ? or ? position”.Type: ApplicationFiled: December 13, 2006Publication date: March 19, 2009Applicant: TORAY INDUSTRIES, INC.Inventors: Koji Nakatsuji, Hiroki Tomioka
-
Patent number: 7497951Abstract: A composite semipermeable membrane, which comprises a separating functional layer comprising polyamide formed on a porous substrate film, wherein the separating functional layer comprising polyamide has a mean pore radius of 0.25 nm to 0.35 nm and a vacancy content of 0.2 nm3% to 0.3 nm3%, measured by positron annihilation lifetime spectroscopy.Type: GrantFiled: October 28, 2005Date of Patent: March 3, 2009Assignee: Toray Industries, Inc.Inventor: Hiroki Tomioka
-
Publication number: 20080000843Abstract: A composite semipermeable membrane, which comprises a separating functional layer comprising a reactant of polyfunctional amine with polyfunctional acid halide, wherein a water-soluble organic material is in contact with the separating functional layer, and the separating functional layer has a boron removal ratio of 95% or more, when seawater at 25° C. having a pH of 6.5, a boron concentration of 5 ppm and a TDS concentration of 3.5% by weight is permeated under an operation pressure of 5.5 MPa.Type: ApplicationFiled: November 4, 2005Publication date: January 3, 2008Inventors: Takao Sasaki, Hiroki Tomioka, Koji Nakatsuji
-
Publication number: 20070293510Abstract: A thiadiazole compound of the formula (A): wherein R1 represents methyl, C3-C7 alkenyl, C2-C7 alkoxyalkyl, C2-C7 alkylthioalkyl, C4-C7 alkoxyalkoxyalkyl, C4-C7 alkylthioalkoxyalkyl, phenyl C1-C2 alkyl in which phenyl may be substituted, phenyloxy C1-C2 alkyl in which phenyloxy may be substituted, phenyl C2-C3 alkoxyalkyl in which phenyl may be substituted, or the substituent of the formula (B): wherein R3 represents C1-C3 alkyl, and R4 represents a hydrogen atom, methyl, ethyl or phenyl which may be substituted; and R2 represents phenyl C1-C4 alkyl in which phenyl may be substituted, pyridyl C1-C4 alkyl in which pyridyl may be substituted, or pyrimidyl C1-C4 alkyl in which pyrimidyl may be substituted; has an excellent arthropod pests controlling activity.Type: ApplicationFiled: July 24, 2007Publication date: December 20, 2007Applicant: Sumitomo Chemical company, Limited ( a Japanese corporation)Inventors: Hideki Ihara, Noriyasu Sakamoto, Hiroki Tomioka
-
Publication number: 20070284309Abstract: A composite semipermeable membrane, which comprises a separating functional layer comprising polyamide formed on a porous substrate film, wherein the separating functional layer comprising polyamide has a mean pore radius of 0.25 nm to 0.35 nm and a vacancy content of 0.2 nm3% to 0.3 nm3%, measured by positron annihilation lifetime spectroscopy.Type: ApplicationFiled: October 28, 2005Publication date: December 13, 2007Applicant: TORAY INDUSTRIES, INC.Inventor: Hiroki Tomioka
-
Patent number: 7279097Abstract: A composite semipermeable membrane which satisfies the following relationship when seawater at 25° C. having a pH of 6.5, a boron concentration of 5 ppm and a TDS concentration of 3.5% by weight is permeated under an operation pressure of 5.5 MPa: Boron removal ratio (%)?95?4×membrane permeation flow rate (m3/m2·day).Type: GrantFiled: June 14, 2004Date of Patent: October 9, 2007Assignee: Toray Industries, Inc.Inventors: Hiroki Tomioka, Kazuya Sugita, Katsufumi Oto
-
Patent number: 7273879Abstract: A thiadiazole compound of the formula (A): wherein R1 represents methyl, C3-C7 alkenyl, C2-C7 alkoxyalkyl, C2-C7 alkylthioalkyl, C4-C7 alkoxyalkoxyalkyl, C4-C7 alkylthioalkoxyalkyl, phenyl C1-C2 alkyl in which phenyl may be substituted, phenyloxy C1-C2 alkyl in which phenyloxy may be substituted, phenyl C2-C3 alkoxyalkyl in which phenyl may be substituted, or the substituent of the formula (B): wherein R3 represents C1-C3 alkyl, and R4 represents a hydrogen atom, methyl, ethyl or phenyl which may be substituted; and R2 represents phenyl C1-C4 alkyl in which phenyl may be substituted, pyridyl C1-C4 alkyl in which pyridyl may be substituted, or pyrimidyl C1-C4 alkyl in which pyrimidyl may be substituted; has an excellent arthropod pests controlling activity.Type: GrantFiled: January 15, 2003Date of Patent: September 25, 2007Assignee: Sumitomo Chemical Company, LimitedInventors: Hideki Ihara, Noriyasu Sakamoto, Hiroki Tomioka
-
Publication number: 20050215578Abstract: A thiadiazole compound of the formula (A): wherein R1 represents methyl, C3-C7 alkenyl, C2-C7 alkoxyalkyl, C2-C7 alkylthioalkyl, C4-C7 alkoxyalkoxyalkyl, C4-C7 alkylthioalkoxyalkyl, phenyl C1-C2 alkyl in which phenyl may be substituted, phenyloxy C1-C2 alkyl in which phenyloxy may be substituted, phenyl C2-C3 alkoxyalkyl in which phenyl may be substituted, or the substituent of the formula (B): wherein R represents C1-C3 alkyl, and R4 represents a hydrogen atom, methyl, ethyl or phenyl which may be substituted; and R2 represents phenyl C1-C4 alkyl in which phenyl may be substituted, pyridyl C1-C4 alkyl in which pyridyl may be substituted, or pyrimidyl C1-C4 alkyl in which pyrimidyl may be substituted; has an excellent arthropod pests controlling activity.Type: ApplicationFiled: January 15, 2003Publication date: September 29, 2005Inventors: Hideki Ihara, Noriyasu Sakamoto, Hiroki Tomioka
-
Publication number: 20040256309Abstract: A composite semipermeable membrane which satisfies the following relationship when seawater at 25° C. having a pH of 6.5, a boron concentration of 5 ppm and a TDS concentration of 3.5% by weight is permeated under an operation pressure of 5.5 MPa: Boron removal ratio (%)≧95−4×membrane permeation flow rate (m3/m2·day).Type: ApplicationFiled: June 14, 2004Publication date: December 23, 2004Applicant: TORAY INDUSTRIES, INC.Inventors: Hiroki Tomioka, Kazuya Sugita, Katsufumi Oto
-
Patent number: 6103750Abstract: A heterocyclic compound represented by the formula (I) ##STR1## wherein X and Y, which may be same or different, represent a hydrogen atom, a halogen atom, a nitro group or a cyano group, the formula --Z.sup.1 --Z.sup.2 --Z.sup.3 -- is a group represented by --CF.sub.2 --CF.sub.2 --O--, --CF.sub.2 --O--CF.sub.2 -- or --O--CF.sub.2 --O-- and R is represented by the formula: ##STR2## and an insecticidal and acaricidal agent comprising same as an active ingredient.Type: GrantFiled: October 27, 1998Date of Patent: August 15, 2000Assignee: Sumitomo Chemical Company, LimitedInventors: Toru Uekawa, Hiroki Tomioka
-
Patent number: 5756522Abstract: Disclosed are triazole derivatives represented by the following formula, insecticides and acaricides containing the triazole derivatives as active ingredients, and a method of controlling insect pests and mites. ##STR1## wherein R.sup.1 represents a hydrogen atom, a lower alkyl group, a halogen atom, 1-pyrrolyl group, a group represented by the formula NR.sup.2 R.sup.3 ; R.sup.5 represents a methyl or ethyl group substituted with at least one halogen atom; n represents 0, 1 or 2; Y represents a nitrogen atom or a group represented by the formula CX.sup.2 ; and X.sup.1 and X.sup.2 are the same or different and each represent a halogen atom, a nitro group or a cyano group.Type: GrantFiled: December 20, 1996Date of Patent: May 26, 1998Assignee: Sumitomo Chemical Company, LimitedInventors: Hiroki Tomioka, Takashi Furukawa, Yoji Takada, Hirotaka Takano
-
Patent number: 5563174Abstract: A hydrazone compound of the general formula (I): ##STR1## wherein X is halogen; R.sup.1 is hydrogen, optionally substituted C.sub.1 -C.sub.4 alkyl or optionally substituted C.sub.1 -C.sub.4 alkoxy; R.sup.2 's are independently hydrogen or fluorine; R.sup.3 is a group of the general formula: CH.sub.2 R.sup.4 wherein R.sup.4 is cyano or C.sub.1 -C.sub.4 alkoxy; or R.sup.3 is a group of the general formula: SR.sup.5 wherein R.sup.5 is optionally substituted C.sub.1 -C.sub.16 alkyl; optionally substituted phenyl, or the like, has excellent insecticidal activity and rather low toxicity to mammals. The hydrazone compound is useful as an active ingredient of insecticides for controlling harmful insects.Type: GrantFiled: January 10, 1995Date of Patent: October 8, 1996Assignee: Sumitomo Chemical Company, LimitedInventors: Hiroki Tomioka, Taro Hirose, Toshiaki Taki, Hirosi Kisida, Shigeru Saito
-
Patent number: 5536748Abstract: The present invention provides a hydrazone compound of the formula I: ##STR1## wherein R.sup.1 and R.sup.2 are the same or different and are independently hydrogen, C.sub.1 -C.sub.2 alkyl, C.sub.1 -C.sub.2 alkoxy, methoxymethyl or cyanomethyl, with the proviso that the R.sup.1 and R.sup.2 are not simultaneously hydrogen; R.sup.3 is trifluoromethyl or methyl; and X is halogen, and an insecticide containing the hydrazone compound as an active ingredient. The hydrazone compound has good insecticidal activity and lower acute toxicity to mammals.Type: GrantFiled: October 6, 1994Date of Patent: July 16, 1996Assignee: Sumitomo Chemical Company, LimitedInventors: Taro Hirose, Toshiaki Taki, Hiroki Tomioka, Hirosi Kisida, Shigeru Saito