Patents by Inventor Toshihiro Otsuki
Toshihiro Otsuki 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: 11226442Abstract: An optical filter including a base member having a layer containing near-infrared absorbing fine particles and a dielectric multilayer film, the optical filter satisfying a requirement that, in a wavelength range of 400 nm to 650 nm, an average of transmittance of any of light incident from a direction perpendicular to the optical filter, light obliquely incident at an angle of 30 degrees, and light obliquely incident at an angle of 60 degrees is 45% or higher and lower than 85%; and a requirement that, in a wavelength range of 800 nm to 1,200 nm, an average of optical density (OD value) of any of light incident from the direction perpendicular to the optical filter, light obliquely incident at an angle of 30 degrees with respect to the perpendicular direction, and light obliquely incident at an angle of 60 degrees with respect to the perpendicular direction is 1.7 or higher.Type: GrantFiled: January 3, 2019Date of Patent: January 18, 2022Assignee: JSR CorporationInventors: Katsuya Nagaya, Toshihiro Otsuki, Takashi Tsubouchi
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Patent number: 10996105Abstract: One object of the present disclosure is to show an optical filter capable of realizing both an excellent visible light transmittance and an excellent near-infrared ray-shielding performance even if an incident angle becomes large. The optical filter of the present disclosure has a base material (i) including a light absorbing layer, and transmits visible light, wherein the light absorbing layer has a maximum absorption in a wavelength range of 750 nm to 1,150 nm, and in a wavelength range of 850 nm to 1,050 nm, an average OD value measured in a direction perpendicular to the optical filter is 2.0 or more, and an average OD value measured at an angle of 60° with respect to the direction perpendicular to the optical filter is 2.0 or more.Type: GrantFiled: November 28, 2016Date of Patent: May 4, 2021Assignee: JSR CORPORATIONInventors: Katsuya Nagaya, Toshihiro Otsuki, Daisuke Shigeoka, Takashi Tsubouchi
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Publication number: 20200278243Abstract: One object of the present disclosure is to show an optical filter capable of realizing both an excellent visible light transmittance and an excellent near-infrared ray-shielding performance even if an incident angle becomes large. The optical filter of the present disclosure has a base material (i) including a light absorbing layer, and transmits visible light, wherein the light absorbing layer has a maximum absorption in a wavelength range of 750 nm to 1,150 nm, and in a wavelength range of 850 nm to 1,050 nm, an average OD value measured in a direction perpendicular to the optical filter is 2.0 or more, and an average OD value measured at an angle of 60° with respect to the direction perpendicular to the optical filter is 2.0 or more.Type: ApplicationFiled: May 14, 2020Publication date: September 3, 2020Applicant: JSR CORPORATIONInventors: Katsuya NAGAYA, Toshihiro OTSUKI, Daisuke SHIGEOKA, TAKASHI TSUBOUCHI
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Patent number: 10473836Abstract: An optical filter including a base member having a layer containing near-infrared absorbing fine particles and a dielectric multilayer film, the optical filter satisfying a requirement that, in a wavelength range of 400 nm to 650 nm, an average of transmittance of any of light incident from a direction perpendicular to the optical filter, light obliquely incident at an angle of 30 degrees, and light obliquely incident at an angle of 60 degrees is 45% or higher and lower than 85%; and a requirement that, in a wavelength range of 800 nm to 1,200 nm, an average of optical density (OD value) of any of light incident from the direction perpendicular to the optical filter, light obliquely incident at an angle of 30 degrees with respect to the perpendicular direction, and light obliquely incident at an angle of 60 degrees with respect to the perpendicular direction is 1.7 or higher.Type: GrantFiled: September 21, 2017Date of Patent: November 12, 2019Assignee: JSR CorporationInventors: Katsuya Nagaya, Toshihiro Otsuki, Takashi Tsubouchi
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Publication number: 20190137670Abstract: An optical filter including a base member having a layer containing near-infrared absorbing fine particles and a dielectric multilayer film, the optical filter satisfying a requirement that, in a wavelength range of 400 nm to 650 nm, an average of transmittance of any of light incident from a direction perpendicular to the optical filter, light obliquely incident at an angle of 30 degrees, and light obliquely incident at an angle of 60 degrees is 45% or higher and lower than 85%; and a requirement that, in a wavelength range of 800 nm to 1,200 nm, an average of optical density (OD value) of any of light incident from the direction perpendicular to the optical filter, light obliquely incident at an angle of 30 degrees with respect to the perpendicular direction, and light obliquely incident at an angle of 60 degrees with respect to the perpendicular direction is 1.7 or higher.Type: ApplicationFiled: January 3, 2019Publication date: May 9, 2019Applicant: JSR CorporationInventors: Katsuya NAGAYA, Toshihiro Otsuki, Takashi TSUBOUCHI
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Publication number: 20190101672Abstract: The object of the present invention is to provide an optical filter which has not only a high visible light transmittance, but also high light cut characteristics in the near-infrared wavelength region, and which is excellent in heat resistance. The optical filter of the present invention comprises a base material comprising a compound (S) having an absorption maximum in the region of 600 to 1150 nm and an antioxidant (P) having at least one phosphorus atom in a molecule, and a dielectric multilayer film formed on at least one surface of the base material.Type: ApplicationFiled: March 15, 2017Publication date: April 4, 2019Applicant: JSR CORPORATIONInventors: Tatsuya KASAI, Katsuya NAGAYA, Toshihiro OTSUKI
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Publication number: 20180364095Abstract: One object of the present disclosure is to show an optical filter capable of realizing both an excellent visible light transmittance and an excellent near-infrared ray-shielding performance even if an incident angle becomes large. The optical filter of the present disclosure has a base material (i) including a light absorbing layer, and transmits visible light, wherein the light absorbing layer has a maximum absorption in a wavelength range of 750 nm to 1,150 nm, and in a wavelength range of 850 nm to 1,050 nm, an average OD value measured in a direction perpendicular to the optical filter is 2.0 or more, and an average OD value measured at an angle of 60° with respect to the direction perpendicular to the optical filter is 2.0 or more.Type: ApplicationFiled: November 28, 2016Publication date: December 20, 2018Applicant: JSR CORPORATIONInventors: Katsuya NAGAYA, Toshihiro OTSUKI, Daisuke SHIGEOKA, Takashi TSUBOUCHI
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Publication number: 20180017721Abstract: An optical filter including a base member having a layer containing near-infrared absorbing fine particles and a dielectric multilayer film, the optical filter satisfying a requirement that, in a wavelength range of 400 nm to 650 nm, an average of transmittance of any of light incident from a direction perpendicular to the optical filter, light obliquely incident at an angle of 30 degrees, and light obliquely incident at an angle of 60 degrees is 45% or higher and lower than 85%; and a requirement that, in a wavelength range of 800 nm to 1,200 nm, an average of optical density (OD value) of any of light incident from the direction perpendicular to the optical filter, light obliquely incident at an angle of 30 degrees with respect to the perpendicular direction, and light obliquely incident at an angle of 60 degrees with respect to the perpendicular direction is 1.7 or higher.Type: ApplicationFiled: September 21, 2017Publication date: January 18, 2018Applicant: JSR CorporationInventors: Katsuya NAGAYA, Toshihiro OTSUKI, Takashi TSUBOUCHI
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Patent number: 9606275Abstract: An optical filter comprises a base material (i) which comprises a transparent resin layer comprising a compound (Z) having an absorption maximum in the wavelength region of from 600 to 850 nm; and a dielectric multilayer film provided on at least one surface of the base material (i). The optical filter selectively transmits visible rays and a part of near-infrared rays, and the optical filter satisfies specific requirements.Type: GrantFiled: February 22, 2016Date of Patent: March 28, 2017Assignee: JSR CORPORATIONInventors: Katsuya Nagaya, Yukie Tanaka, Toshihiro Otsuki, Takashi Tsubouchi, Daisuke Shigeoka
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Publication number: 20160170105Abstract: An optical filter comprises a base material (i) which comprises a transparent resin layer comprising a compound (Z) having an absorption maximum in the wavelength region of from 600 to 850 nm; and a dielectric multilayer film provided on at least one surface of the base material (i). The optical filter selectively transmits visible rays and a part of near-infrared rays, and the optical filter satisfies specific requirements.Type: ApplicationFiled: February 22, 2016Publication date: June 16, 2016Applicant: JSR CORPORATIONInventors: Katsuya NAGAYA, Yukie TANAKA, Toshihiro OTSUKI, Takashi TSUBOUCHI, Daisuke SHIGEOKA
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Patent number: 9057840Abstract: An optical filter comprising a substrate and a dielectric multilayer film formed on at least one surface of the substrate, wherein the substrate comprises an aromatic polyether-based polymer having a glass transition temperature (Tg), measured via differential scanning calorimetry (DSC, heating rate: 20° C./min), of from 230 to 350° C.Type: GrantFiled: July 25, 2011Date of Patent: June 16, 2015Assignee: JSR CORPORATIONInventors: Motoki Okaniwa, Takaaki Uno, Shintaro Fujitomi, Takashi Okada, Toshihiro Otsuki, Katsuya Nagaya
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Publication number: 20130128361Abstract: An optical filter comprising a substrate and a dielectric multilayer film formed on at least one surface of the substrate, wherein the substrate comprises an aromatic polyether-based polymer having a glass transition temperature (Tg), measured via differential scanning calorimetry (DSC, heating rate: 20° C./min), of from 230 to 350° C.Type: ApplicationFiled: July 25, 2011Publication date: May 23, 2013Applicant: JSR CorporationInventors: Motoki Okaniwa, Takaaki Uno, Shintaro Fujitomi, Takashi Okada, Toshihiro Otsuki, Katsuya Nagaya
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Patent number: 7449132Abstract: The present invention provides a proton conductive membrane having capabilities of self-generating water and maintaining water, excellent ion conductivity and excellent effect of inhibiting crossover and usable for solid polymer electrolyte type fuel cells and also provides a proton conductive composition used for preparing the proton conductive membrane. The proton conductive composition comprises 100 parts by weight of a polyarylene having a sulfonic group and 0.01 to 80 parts by weight of at least one metal catalyst selected from the group consisting of platinum, gold, palladium, rhodium, iridium and ruthenium, or comprises 100 parts by weight of a polyarylene having a sulfonic group, 0.01 to 80 parts by weight of the metal catalyst, and 0.01 to 50 parts by weight of metal oxide fine particles and/or fibers in total.Type: GrantFiled: November 24, 2004Date of Patent: November 11, 2008Assignees: JSR Corporation, Honda Motor Co., Ltd.Inventors: Mayumi Kakuta, Toshihiro Otsuki, Nagayuki Kanaoka, Masaaki Nanaumi, Yoichi Asano, Ryoichiro Takahashi
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Patent number: 7381501Abstract: A solid polymer electrolyte includes a polymer having a sulfonic group and shows high proton conductivity in a wide range of temperatures and humidities and is excellent in hot water resistance and chemical stability. A proton conductive membrane is composed of the electrolyte. The polymer electrolyte includes a polymer having a structural unit represented by the following formula (1a) or (1b): wherein A is a divalent electron-withdrawing group, B is a divalent electron-donating group or a direct bond, Ar is an aromatic group, Z is an oxygen or a sulfur atom, X is a hydrogen or a fluorine atom, j is an integer of 1 or greater, k is an integer of from 1 to 4, l is an integer of from 0 to 10, m is an integer of from 1 to 10, and n is an integer of from 1 to 8.Type: GrantFiled: March 9, 2005Date of Patent: June 3, 2008Assignees: JSR Corporation, Honda Motor Co., Ltd.Inventors: Toshihiro Otsuki, Nagayuki Kanaoka, Masaru Iguchi, Naoki Mitsuta, Hiroshi Soma
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Patent number: 7368068Abstract: The present invention provides a sulfonic group-containing polyarylene block copolymer superior to the perfluoroalkylsulfonic acid polymers in cost, conductive properties and proccessability, a process for producing the copolymer, a solid polymer electrolyte and a proton conductive membrane. The sulfonic group-containing polyarylene block copolymer includes a polymer segment with an ion conductive component represented by the formula (A) and at least one polymer segment without an ion conductive component represented by the formulae (B-1), (B-3) and the like and containing an aromatic ring bonded at the meta-positions or ortho-positions: wherein X is a single bond, —CO—, —SO2— or the like; W is a single bond, —CO—, —SO2— or the like; Q is a single bond, —O—, —S— or the like; J is a single bond, —CO—, —SO2— or the like; and R1 to R24 are each a hydrogen atom, a fluorine atom, an alkyl group or the like.Type: GrantFiled: August 29, 2005Date of Patent: May 6, 2008Assignee: JSR CorporationInventors: Takashi Okada, Mayumi Shinoda, Kimihiko Yoshii, Yousuke Konno, Toshihiro Otsuki, Kohei Goto
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Patent number: 7211203Abstract: Disclosed are a polymer electrolyte having improved hot water resistance and radical resistance, a proton conductive membrane comprising the polymer electrolyte, and a membrane-electrode assembly including the proton conductive membrane. The polymer electrolyte comprises at least one polymer selected from polyether, polyketone, polyetherketone, polysulfone, polyethersulfone, polyimide, polyetherimide, polybenzimidazole, polybenzothiazole, polybenzoxazole and the like. The polymer comprises a repeating structural unit with either or both of an aromatic ring and a heterocyclic ring, and a repeating structural unit represented by the formula (1): wherein X is a single bond, an electron-withdrawing group or an electron-donating group; R is a single bond, —(CH2)q— or —(CF2)q— where q ranges from 1 to 10; m is from 0 to 10; k is from 0 to 5; l is from 0 to 4; and k+1?1.Type: GrantFiled: February 2, 2004Date of Patent: May 1, 2007Assignees: Honda Motor Co., Ltd., JSR CorporationInventors: Toshihiro Otsuki, Nagayuki Kanaoka, Masaru Iguchi, Naoki Mitsuta, Hiroshi Soma
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Publication number: 20060127728Abstract: The present invention provides a membrane-electrode assembly for fuel cell which comprises a solid polymer electrolyte membrane comprising a specific polyarylene having a sulfonic acid group and has excellent creep resistance, power generation performance and durability against power generation under high-temperature environment.Type: ApplicationFiled: December 14, 2005Publication date: June 15, 2006Inventors: Toshihiro Otsuki, Nagayuki Kanaoka, Masaru Iguchi, Hiroshi Soma
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Publication number: 20060043344Abstract: The present invention provides a sulfonic group-containing polyarylene block copolymer superior to the perfluoroalkylsulfonic acid polymers in cost, conductive properties and processability, a process for producing the copolymer, a solid polymer electrolyte and a proton conductive membrane. The sulfonic group-containing polyarylene block copolymer includes a polymer segment with an ion conductive component represented by the formula (A) and at least one polymer segment without an ion conductive component represented by the formulae (B-1), (B-3) and the like and containing an aromatic ring bonded at the meta-positions or ortho-positions: wherein X is a single bond, —CO—, —SO2— or the like; W is a single bond, —CO—, —SO2— or the like; Q is a single bond, —O—, —S— or the like; J is a single bond, —CO—, —SO2— or the like; and R1 to R24 are each a hydrogen atom, a fluorine atom, an alkyl group or the like.Type: ApplicationFiled: August 29, 2005Publication date: March 2, 2006Applicant: JSR CorporationInventors: Takashi Okada, Mayumi Shinoda, Kimihiko Yoshii, Yousuke Konno, Toshihiro Otsuki, Kohei Goto
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Publication number: 20050202299Abstract: A solid polymer electrolyte includes a polymer having a sulfonic group and shows high proton conductivity in a wide range of temperatures and humidities and is excellent in hot water resistance and chemical stability. A proton conductive membrane is composed of the electrolyte. The polymer electrolyte includes a polymer having a structural unit represented by the following formula (1a) or (1b): wherein A is a divalent electron-withdrawing group, B is a divalent electron-donating group or a direct bond, Ar is an aromatic group, Z is an oxygen or a sulfur atom, X is a hydrogen or a fluorine atom, j is an integer of 1 or greater, k is an integer of from 1 to 4, l is an integer of from 0 to 10, m is an integer of from 1 to 10, and n is an integer of from 1 to 8.Type: ApplicationFiled: March 9, 2005Publication date: September 15, 2005Inventors: Toshihiro Otsuki, Nagayuki Kanaoka, Masaru Iguchi, Naoki Mitsuta, Hiroshi Soma
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Publication number: 20050130024Abstract: The invention provides a proton conductive membrane which, even when reduced in thickness, does not allow penetration of an electrode to prevent a short circuit between electrodes and which permits sufficient generating performance. A proton conductive composition capable of forming the membrane is also provided. The proton conductive composition includes a nonconductive filler and a polyarylene having a sulfonic group. The proton conductive membrane, comprising the composition, contains the nonconductive filler in an amount of 3 to 50% by volume, and the nonconductive filler particles have diameters ranging from 3 to 90% the thickness of the membrane.Type: ApplicationFiled: December 9, 2004Publication date: June 16, 2005Inventors: Toshihiro Otsuki, Junji Kawai, Mayumi Kakuta, Nagayuki Kanaoka, Yoichi Asano, Ryoichiro Takahashi