Patents by Inventor Takao Ohno
Takao Ohno 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: 11931700Abstract: A substrate for a liquid filter contains a polyolefin microporous membrane. A mean flow pore size dPP in a pore size distribution of the polyolefin microporous membrane measured by a half dry method according to gas-liquid phase substitution is from 1 nm to 20 nm. A mean flow pore size dLLP in a pore size distribution of the polyolefin microporous membrane measured by a half dry method according to liquid-liquid phase substitution is from 1 nm to 15 nm. A difference (dPP?dLLP) between the mean flow pore size dPP and the mean flow pore size dLLP is 12 nm or less, and a thickness of the polyolefin microporous membrane is from 4 to 25 ?m.Type: GrantFiled: March 23, 2018Date of Patent: March 19, 2024Assignee: TEIJIN LIMITEDInventors: Ayumi Iwai, Koji Furuya, Takao Ohno
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Patent number: 11929531Abstract: A substrate for a composite membrane includes a microporous polyolefin membrane for carrying a hydrophilic resin compound within the pores of the microporous membrane wherein: the average pore diameter is 1 nm to 50 nm; the porosity is 50% to 78%; the membrane thickness is 1 ?m to 12 ?m; and, when a mixed solution of ethanol and water (volume ratio 1/2) is dripped onto a surface of the microporous polyolefin membrane which has not undergone hydrophilization treatment, the contact angle ?1 between the droplet and the surface is 0 to 90 degrees 1 second after the dripping, and the contact angle ?2 between the droplet and the surface is 0 to 70 degrees 10 minutes after the dripping, and the rate of change of the contact angle ((?1??2)/?1×100) is 10 to 50%.Type: GrantFiled: March 15, 2022Date of Patent: March 12, 2024Assignee: TEIJIN LIMITEDInventors: Takeo Yamaguchi, Yuhei Oshiba, Hidenori Ohashi, Jin Tomatsu, Koji Furuya, Takao Ohno, Mami Nanbu
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Publication number: 20220209272Abstract: A substrate for a composite membrane includes a microporous polyolefin membrane for carrying a hydrophilic resin compound within the pores of the microporous membrane wherein: the average pore diameter is 1 nm to 50 nm; the porosity is 50% to 78%; the membrane thickness is 1 ?m to 12 ?m; and, when a mixed solution of ethanol and water (volume ratio 1/2) is dripped onto a surface of the microporous polyolefin membrane which has not undergone hydrophilization treatment, the contact angle ?1 between the droplet and the surface is 0 to 90 degrees 1 second after the dripping, and the contact angle ?2 between the droplet and the surface is 0 to 70 degrees 10 minutes after the dripping, and the rate of change of the contact angle ((?1??2)/?1×100) is 10 to 50%.Type: ApplicationFiled: March 15, 2022Publication date: June 30, 2022Applicant: TEIJIN LIMITEDInventors: Takeo YAMAGUCHI, Yuhei Oshiba, Hidenori Ohashi, Jin Tomatsu, Koji Furuya, Takao Ohno, Mami Nanbu
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Patent number: 11338251Abstract: A substrate for a liquid filter, which includes a polyolefin microporous membrane, the polyolefin microporous membrane having a water permeation efficiency of 0.51 to 1.20 ml/min·cm2, the polyolefin microporous membrane having a bubble point of 0.45 MPa or more and 0.70 MPa or less, the polyolefin microporous membrane having a compressibility of less than 15%.Type: GrantFiled: May 2, 2014Date of Patent: May 24, 2022Assignee: TEIJIN LIMITEDInventors: Takao Ohno, Kouji Furuya
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Patent number: 11338252Abstract: A substrate for a liquid filter, which includes a polyolefin microporous membrane, the polyolefin microporous membrane having a water permeation efficiency of 1.21 to 2.90 ml/min·cm2, the polyolefin microporous membrane having a bubble point of 0.40 MPa to 0.65 MPa, the polyolefin microporous membrane having a compressibility of less than 15%.Type: GrantFiled: May 2, 2014Date of Patent: May 24, 2022Assignee: TEIJIN LIMITEDInventors: Takao Ohno, Kouji Furuya
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Patent number: 11338250Abstract: A substrate for a liquid filter, which includes a polyolefin microporous membrane, the polyolefin microporous membrane having a water permeation efficiency of 0.10 to 0.50 ml/min·cm2, the polyolefin microporous membrane having a bubble point of 0.50 MPa or more and 0.80 MPa or less.Type: GrantFiled: May 2, 2014Date of Patent: May 24, 2022Assignee: TEIJIN LIMITEDInventors: Takao Ohno, Kouji Furuya
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Patent number: 11276871Abstract: To provide an electrolyte membrane that exhibits high proton conductivity even at low humidity, the electrolyte membrane includes a composite membrane including: a microporous polyolefin membrane that has an average pore diameter of 1 to 1000 nm and a porosity of 50 to 90% and that can be impregnated with a solvent having a surface free energy of 28 mJ/m2 or more, and an electrolyte containing a perfluorosulfonic acid polymer having an EW of 250 to 850 loaded into the pores of the microporous polyolefin membrane, wherein the membrane thickness of the composite membrane is 1 to 20 ?m.Type: GrantFiled: May 31, 2017Date of Patent: March 15, 2022Assignees: TOKYO INSTITUTE OF TECHNOLOGY, TEIJIN LIMITED, KANAGAWA INSTITUTE OF INDUSTRIAL SCIENCE AND TECHNOLOGYInventors: Takeo Yamaguchi, Yuhei Oshiba, Hidenori Ohashi, Jin Tomatsu, Koji Furuya, Takao Ohno, Mami Nanbu
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Publication number: 20210288341Abstract: A substrate for a composite membrane includes a microporous polyolefin membrane for carrying a hydrophilic resin compound within the pores of the microporous membrane wherein: the average pore diameter is 1 nm to 50 nm; the porosity is 50% to 78%; the membrane thickness is 1 ?m to 12 ?m; and, when a mixed solution of ethanol and water (volume ratio ½) is dripped onto a surface of the microporous polyolefin membrane which has not undergone hydrophilization treatment, the contact angle ?1 between the droplet and the surface is 0 to 90 degrees 1 second after the dripping, and the contact angle ?2 between the droplet and the surface is 0 to 70 degrees 10 minutes after the dripping, and the rate of change of the contact angle ((?1??2)/?1×100) is 10 to 50%.Type: ApplicationFiled: May 31, 2017Publication date: September 16, 2021Applicant: TEIJIN LIMITEDInventors: Takeo YAMAGUCHI, Yuhei OSHIBA, Hidenori OHASHI, Jin TOMATSU, Koji FURUYA, Takao OHNO, Mami NANBU
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Publication number: 20190267655Abstract: To provide an electrolyte membrane that exhibits high proton conductivity even at low humidity, the electrolyte membrane includes a composite membrane including: a microporous polyolefin membrane that has an average pore diameter of 1 to 1000 nm and a porosity of 50 to 90% and that can be impregnated with a solvent having a surface free energy of 28 mJ/m2 or more, and an electrolyte containing a perfluorosulfonic acid polymer having an EW of 250 to 850 loaded into the pores of the microporous polyolefin membrane, wherein the membrane thickness of the composite membrane is 1 to 20 ?m.Type: ApplicationFiled: May 31, 2017Publication date: August 29, 2019Applicants: TOKYO INSTITUTE OF TECHNOLOGY, TEIJIN LIMITED, KANAGAWA INSTITUTE OF INDUSTRIAL SCIENCE AND TECHNOLOGYInventors: Takeo YAMAGUCHI, Yuhei OSHIBA, Hidenori OHASHI, Jin TOMATSU, Koji FURUYA, Takao OHNO, Mami NANBU
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Publication number: 20180280894Abstract: A substrate for a liquid filter that contains a polyolefin microporous membrane, in which a mean flow pore size dpp in a pore size distribution of the polyolefin microporous membrane measured by a half dry method according to gas-liquid phase substitution is from 1 nm to 20 nm, a mean flow pore size dLLP in a pore size distribution of the polyolefin microporous membrane measured by a half dry method according to liquid-liquid phase substitution is from 1 nm to 15 nm, a difference (dpp-dLLP) between the mean flow pore size dpp and the mean flow pore size dLLP is 12 nm or less, and a thickness of the polyolefin microporous membrane is from 4 to 25 ?m.Type: ApplicationFiled: March 23, 2018Publication date: October 4, 2018Applicant: TEIJIN LIMITEDInventors: Ayumi IWAI, Koji FURUYA, Takao OHNO
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Publication number: 20160096152Abstract: A substrate for a liquid filter, which includes a polyolefin microporous membrane, the polyolefin microporous membrane having a water permeation efficiency of 0.10 to 0.50 ml/min·cm2, the polyolefin microporous membrane having a bubble point of 0.50 MPa or more and 0.80 MPa or less.Type: ApplicationFiled: May 2, 2014Publication date: April 7, 2016Applicant: TEIJIN LIMITEDInventors: Takao OHNO, Kouji FURUYA
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Publication number: 20160082397Abstract: A substrate for a liquid filter, which includes a polyolefin microporous membrane, the polyolefin microporous membrane having a water permeation efficiency of 0.51 to 1.20 ml/min·cm2, the polyolefin microporous membrane having a bubble point of 0.45 MPa or more and 0.70 MPa or less, the polyolefin microporous membrane having a compressibility of less than 15%.Type: ApplicationFiled: May 2, 2014Publication date: March 24, 2016Applicant: TEIJIN LIMITEDInventors: Takao OHNO, Kouji FURUYA
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Publication number: 20160082398Abstract: A substrate for a liquid filter, which includes a polyolefin microporous membrane, the polyolefin microporous membrane having a water permeation efficiency of 1.21 to 2.90 ml/min·cm2, the polyolefin microporous membrane having a bubble point of 0.40 MPa to 0.65 MPa, the polyolefin microporous membrane having a compressibility of less than 15%.Type: ApplicationFiled: May 2, 2014Publication date: March 24, 2016Applicant: TEIJIN LIMITEDInventors: Takao OHNO, Kouji FURUYA
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Patent number: 8216934Abstract: A semiconductor device is provided that forms a three-dimensional semiconductor device having semiconductor devices stacked on one another. In this semiconductor device, a hole is formed in a silicon semiconductor substrate that has an integrated circuit unit and an electrode pad formed on a principal surface on the outer side. The hole is formed by etching, with the electrode pad serving as an etching stopper layer. An embedded electrode is formed in the hole. This embedded electrode serves to electrically lead the electrode pad to the principal surface on the bottom side of the silicon semiconductor substrate.Type: GrantFiled: December 22, 2010Date of Patent: July 10, 2012Assignee: Fujitsu Semiconductor LimitedInventors: Eiji Yoshida, Takao Ohno, Yoshito Akutagawa, Koji Sawahata, Masataka Mizukoshi, Takao Nishimura, Akira Takashima, Mitsuhisa Watanabe
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Patent number: 8194162Abstract: An imaging device includes an image sensing device provided on a semiconductor substrate; a transparent member provided on a light-receiving area of the image sensing device; and a circuit element provided on the transparent member, wherein the image sensing device and the circuit element are electrically coupled to each other.Type: GrantFiled: March 10, 2010Date of Patent: June 5, 2012Assignee: Fujitsu Semiconductor LimitedInventors: Susumu Moriya, Izumi Kobayashi, Takao Ohno
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Patent number: 7998779Abstract: A solid-state imaging device includes: a solid-state imaging element having a light-receiving area; a transparent member disposed so as to oppose the light-receiving area; a supporting member configured to support the transparent member; a first mark disposed at either an upper surface of the transparent member or an upper surface of the supporting member; and a second mark disposed at an outer side of the light-receiving area, at an upper surface of the solid-state imaging element.Type: GrantFiled: March 10, 2009Date of Patent: August 16, 2011Assignee: Fujitsu Semiconductor LimitedInventors: Naoyuki Watanabe, Takao Ohno, Susumu Moriya, Izumi Kobayashi
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Publication number: 20110092065Abstract: A semiconductor device is provided that forms a three-dimensional semiconductor device having semiconductor devices stacked on one another. In this semiconductor device, a hole is formed in a silicon semiconductor substrate that has an integrated circuit unit and an electrode pad formed on a principal surface on the outer side. The hole is formed by etching, with the electrode pad serving as an etching stopper layer. An embedded electrode is formed in the hole. This embedded electrode serves to electrically lead the electrode pad to the principal surface on the bottom side of the silicon semiconductor substrate.Type: ApplicationFiled: December 22, 2010Publication date: April 21, 2011Applicant: FUJITSU SEMICONDUCTOR LIMITEDInventors: Eiji YOSHIDA, Takao OHNO, Yoshito AKUTAGAWA, Koji SAWAHATA, Masataka MIZUKOSHI, Takao NISHIMURA, Akira TAKASHIMA, Mitsuhisa WATANABE
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Patent number: 7884459Abstract: A semiconductor device is provided that forms a three-dimensional semiconductor device having semiconductor devices stacked on one another. In this semiconductor device, a hole is formed in a silicon semiconductor substrate that has an integrated circuit unit and an electrode pad formed on a principal surface on the outer side. The hole is formed by etching, with the electrode pad serving as an etching stopper layer. An embedded electrode is formed in the hole. This embedded electrode serves to electrically lead the electrode pad to the principal surface on the bottom side of the silicon semiconductor substrate.Type: GrantFiled: September 15, 2008Date of Patent: February 8, 2011Assignee: Fujitsu Semiconductor LimitedInventors: Eiji Yoshida, Takao Ohno, Yoshito Akutagawa, Koji Sawahata, Masataka Mizukoshi, Takao Nishimura, Akira Takashima, Mitsuhisa Watanabe
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Publication number: 20100231766Abstract: An imaging device includes an image sensing device provided on a semiconductor substrate; a transparent member provided on a light-receiving area of the image sensing device; and a circuit element provided on the transparent member, wherein the image sensing device and the circuit element are electrically coupled to each other.Type: ApplicationFiled: March 10, 2010Publication date: September 16, 2010Applicant: FUJITSU MICROELECTRONICS LIMITEDInventors: Susumu Moriya, Izumi Kobayashi, Takao Ohno
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Patent number: 7726278Abstract: In order to accurately detect an abnormal state of a rotation direction detection unit for detecting a rotation direction of a crank shaft, provided is an internal combustion engine control apparatus including: a rotation detection unit including the rotation direction detection unit for detecting the rotation direction of the crank shaft of an engine to output a rotation direction signal, and a rotation speed detection unit for outputting a pulse signal according to a rotation speed of the crank shaft; a stop position calculation unit for calculating, based on an output from the rotation detection unit, a stop position of the crank shaft when the engine stops; and an abnormal state detection unit for detecting the abnormal state of the rotation direction detection unit when an actual rotation direction of the crank shaft differs from the rotation direction of the crank shaft based on the rotation direction signal.Type: GrantFiled: June 24, 2008Date of Patent: June 1, 2010Assignee: Mitsubishi Electric CorporationInventors: Keiichiro Sakaigaki, Takao Ohno, Akira Furuta