Patents by Inventor Takeharu Morita
Takeharu Morita 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: 20210288277Abstract: The present invention aims to provide a flexible solar cell having excellent high-temperature, high-humidity durability and excellent initial performance. The present invention relates to a flexible solar cell including, on a flexible substrate: an electrode; a transparent electrode; and a photoelectric conversion layer disposed between the electrode and the transparent electrode, the photoelectric conversion layer containing an organic-inorganic perovskite compound, the flexible substrate including an aluminum foil and an aluminum oxide film formed on the aluminum foil, the flexible substrate having a ratio of the thickness of the aluminum oxide film to the total thickness of the aluminum foil and the aluminum oxide film of 0.1% or higher and 15% or lower.Type: ApplicationFiled: September 27, 2017Publication date: September 16, 2021Applicant: SEKISUI CHEMICAL CO., LTD.Inventors: Akinobu HAYAKAWA, Mayumi YUKAWA, Tomohito UNO, Motohiko ASANO, Yuuichirou FUKUMOTO, Tetsuya KUREBAYASHI, Tetsuya AlTA, Takeharu MORITA
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Publication number: 20200395494Abstract: The present invention aims to provide a method for producing a solar cell in which a continuous long scribed line is provided along the machine direction of a substrate so that failures due to breakage of the scribed line are reduced.Type: ApplicationFiled: March 13, 2019Publication date: December 17, 2020Applicant: SEKISUI CHEMICAL CO., LTD.Inventors: Tetsuya AITA, Motohiko ASANO, Akinobu HAYAKAWA, Tomohito UNO, Tetsuya KUREBAYASHI, Shunsuke KUNUGI, Takeharu MORITA
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Publication number: 20190379000Abstract: A first object of the present invention is to provide a solar cell having excellent photoelectric conversion efficiency and produced through a process including favorable scribing (e.g., mechanical patterning), and a method for producing the solar cell. A first aspect of the present invention provides a solar cell including, above a flexible substrate, an electrode, a transparent electrode, and a photoelectric conversion layer disposed between the electrode and the transparent electrode, the solar cell further including a hard film disposed between the flexible substrate and the electrode, the hard film containing a nitride, carbide, or boride, the nitride, carbide, or boride containing at least one element selected from the group consisting of titanium, zirconium, aluminum, silicon, magnesium, vanadium, chromium, molybdenum, tantalum, and tungsten.Type: ApplicationFiled: March 2, 2018Publication date: December 12, 2019Applicant: SEKISUI CHEMICAL CO., LTD.Inventors: Tetsuya AITA, Akinobu HAYAKAWA, Motohiko ASANO, Mayumi YUKAWA, Tomohito UNO, Tetsuya KUREBAYASHI, Takeharu MORITA
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Publication number: 20190198256Abstract: The present invention aims to provide a solar cell having high photoelectric conversion efficiency that is less likely to decrease even under application of a voltage for a long period of time. Provided is a solar cell including: a cathode; a photoelectric conversion layer; and an anode in the stated order, the photoelectric conversion layer including an organic-inorganic perovskite compound represented by the formula: R-M-X3 wherein R represents an organic molecule, M represents a metal atom, and X represents a halogen or chalcogen atom, the solar cell further including, between the photoelectric conversion layer and the anode layer, a diffusion prevention layer including at least one selected from the group consisting of: metal oxides, metal nitrides, and metal oxynitrides each containing a group 6 to 15 metal in the periodic table; and carbon.Type: ApplicationFiled: September 20, 2017Publication date: June 27, 2019Applicant: SEKISUI CHEMICAL CO. LTD.Inventors: Akinobu HAYAKAWA, Mayumi YUKAWA, Tetsuya KUREBAYASHI, Tomohito UNO, Motohiko ASANO, Yuuichirou FUKUMOTO, Tetsuya AlTA, Takeharu MORITA
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Publication number: 20180212086Abstract: The present invention aims to provide a solar cell having high photoelectric conversion efficiency and excellent high-temperature, high-humidity durability. The present invention relates to a solar cell including at least: a photoelectric conversion layer; a hole transport layer; and an anode, the hole transport layer being disposed between the photoelectric conversion layer and the anode, the hole transport layer containing a polymer containing a halogen atom and an organic semiconductor component (1), the polymer containing a halogen atom having a structure that contains a halogen atom and an electron-withdrawing group bonded to a hetero atom.Type: ApplicationFiled: July 29, 2016Publication date: July 26, 2018Applicant: SEKISUI CHEMICAL CO., LTD.Inventors: Tetsuya KUREBAYASHI, Tetsuya AITA, Mayumi YUKAWA, Motohiko ASANO, Tomohito UNO, Akinobu HAYAKAWA, Takeharu MORITA, Yuuichirou FUKUMOTO
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Patent number: 8063163Abstract: A novel cycloolefin copolymer that can be employed in the production of molding with fewer defects, for example, fewer gel particles (fish eyes). There is provided a cycloolefin copolymer comprising 80 to 20 mol % of repeating units derived from an ?-olefin monomer and 20 to 80 mol % of repeating units derived from at least one cycloolefin monomer selected from the group consisting of monomer of the general formula (I), monomer of the general formula (II), monomer of the general formula (III), monomer of the general formula (IV) and monomer of the general formula (V), wherein with respect to the repeating units derived from cycloolefin monomer, the proportion thereof being present in the form of dimer (Rd) is 50 mol % or below and the proportion thereof being present in the form of trimer (Rt) 5 mol % or above.Type: GrantFiled: November 24, 2005Date of Patent: November 22, 2011Assignees: Polypastics Co., Ltd., Topas Advanced Polymers GmbHInventors: Wilfried Hatke, Matthias Bruch, Anne-Meike Schauwienold, Udo Manfred Stehling, Hiroyuki Kanai, Hajime Serizawa, Hiroshi Hiraike, Takahiko Sawada, Kazunari Yagi, Isao Higuchi, Katsunori Toyoshima, Takeharu Morita
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Publication number: 20090163632Abstract: A novel cycloolefin copolymer that can be employed in the production of molding with fewer defects, for example, fewer gel particles (fish eyes). There is provided a cycloolefin copolymer comprising 80 to 20 mol % of repeating units derived from an ?-olefin monomer and 20 to 80 mol % of repeating units derived from at least one cycloolefin monomer selected from the group consisting of monomer of the general formula (I), monomer of the general formula (II), monomer of the general formula (III), monomer of the general formula (IV) and monomer of the general formula (V), wherein with respect to the repeating units derived from cycloolefin monomer, the proportion thereof being present in the form of dimer (Rd) is 50 mol % or below and the proportion thereof being present in the form of trimer (Rt) 5 mol % or above.Type: ApplicationFiled: November 24, 2005Publication date: June 25, 2009Applicants: POLYPLASTICS CO., LTD., TOPAS ADVANCED POLYMERS GMBHInventors: Wilfried Hatke, Matthias Bruch, Anne-Meike Schauwienold, Udo Manfred Stehling, Hiroyuki Kanai, Hajime Serizawa, Hiroshi Hiraike, Takahiko Sawada, Kazunari Yagi, Isao Higuchi, Katsunori Toyoshima, Takeharu Morita
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Publication number: 20080113116Abstract: It is the object of the present invention to provide a retardation film comprising a norbornene type copolymer, being excellent in heat resistance, low specific gravity, low birefringence, low photoelasticity, and low chromatic dispersion and having high performance of retardation compensation.Type: ApplicationFiled: November 24, 2005Publication date: May 15, 2008Applicant: SEKISUI CHEMICAL CO., LTDInventors: Hiroshi Hiraike, Takahiko Sawada, Kazunari Yagi, Isao Higuchi, Katsunori Toyoshima, Takeharu Morita, Yoshihiro Takaenoki, Takehiro Nakamura, Wilfried Hatke, Matthias Bruch, Anne-Meike Schauwienold, Udo Manfred Stehling, Hiroyuki Kanai, Hajime Serizawa
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Patent number: 7361776Abstract: The present invention relates to a zero-valent transition metal complex which can be used as a starting material for producing a catalyst usable for producing a polyolefin by ring-opening metathesis polymerization of an olefin and an epothilone by ring-closing metathesis reaction, and a method for efficiently producing, at low cost, an organometallic compound useful as a catalyst, using the zero-valent transition metal complex as a starting material. Provided is a method for producing a zero-valent transition metal complex (C), which comprises reacting a divalent transition metal complex (A) with an olefin (B), the complex (A) being selected from the group consisting of a divalent ruthenium complex (A1) and a divalent osmium complex (A2), thereby obtaining a zero-valent transition metal complex (C), wherein the reaction is conducted under reducing conditions and after the reaction, the resultant crude product is extracted at high temperature using a saturated hydrocarbon as an extracting solvent.Type: GrantFiled: February 13, 2004Date of Patent: April 22, 2008Assignee: Sekisui Chemical Co., Ltd.Inventors: Hiroshi Hiraike, Takeharu Morita, Fumiyuki Ozawa, Hiroyuki Katayama
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Patent number: 7252883Abstract: It is an object of the invention to provide coated particles excellent in the reliability of connection. The invention provides coated particles each comprising a metal-surfaced particle as a core and resulting from a partial surface modification of that core particle with an organic compound via a functional group (A) capable of binding to a metal.Type: GrantFiled: May 30, 2001Date of Patent: August 7, 2007Assignee: Sekisui Chemical Co., Ltd.Inventors: Takeshi Wakiya, Takeharu Morita, Hiroshi Hiraike, Katsutoshi Nagai, Tatsuo Taniguchi
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Patent number: 7129322Abstract: This invention provides a method for producing a polymer alloy, a polymer alloy as well as a molded article, a transparent molded article and an optical film, which is obtainable by using the polymer alloy. The invention is a method for producing a polymer alloy, which comprises at least: a step 1 of mixing two or more resins incompatible with each other at ambient temperature and pressure with a solvent being in a liquid or gas state at ambient temperature and pressure; a step 2 of heating and applying pressure to said solvent into a high-temperature and high-pressure fluid or a supercritical fluid and mixing the solvent in this state; and, a step 3 of cooling the mixture obtained in said step 2 rapidly to the glass transition temperature or less without releasing the pressure of the mixture.Type: GrantFiled: October 23, 2002Date of Patent: October 31, 2006Assignee: Seikisui Chemicals Co., Ltd.Inventors: Katsunori Toyoshima, Takeharu Morita, Toshio Tada, Youhei Nishimura
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Patent number: 7098355Abstract: A method for synthesizing an organometallic compound, which is usefully utilized as a catalyst for manufacturing polyolefins by ring-opening metathesis polymerization of an olefin having strain in a molecule such as dicyclopentadiene or synthesizing epothilones by ring-dosing metathesis reaction, by an efficient and low cost synthesis method using a starting material which is easily available due to relatively simple chemical structure, and further without any possibility of coexistence of a vinylhetero compound or a vinyl compound exchanged which tends to accompany as an impurity in the system in conventional methods, characterized by reacting a starting material comprising a zero-valent transition metal complex (A) or a polyvalent transition metal complex (A?), a compound (B) or (B?) shown by the following general formula (1) or (4), respectively, and a neutral ligand (C) or (C?), in one step under non-reducing condition or reducing condition.Type: GrantFiled: September 27, 2002Date of Patent: August 29, 2006Assignee: Sekisui Chemical Co., Ltd.Inventors: Hiroshi Hiraike, Takeharu Morita, Fumiyuki Ozawa, Hiroyuki Katayama
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Publication number: 20060178493Abstract: The present invention relates to telechelic polymers having crosslinkable end groups of the formula and methods for preparing the same wherein n is an integer; is an alkadienyl group; Y is an alkyl group; and Z is crosslinkable end group. In general, the inventive synthesis involves reacting a functionalized chain transfer agent having crosslinkable ends with a cycloalkene in the presence of a ruthenium or osmium catalyst of the formula wherein: M is ruthenium or osmium; X and X1 are independently any anionic ligand; L and L1 are any neutral electron donor ligand; R and R1 are each hydrogen or a substituted or unsubstituted substituent wherein the substituent is selected from the group consisting of C1-C20 alkyl, C2-C20 alkenyl, C2-C20 alkynyl, aryl, C1-C20 carboxylate, C1-C20 alkoxy, C1-C20 alkenyloxy, C2-C20 alkynyloxy, aryloxy, C2-C20 alkoxycarbonyl, C1-C20 alkylthio, C1-C20 alkylsulfonyl and C1-C20 alkylsulfinyl.Type: ApplicationFiled: March 31, 2006Publication date: August 10, 2006Applicant: California Institute of TechnologyInventors: Bob Maughon, Takeharu Morita, Robert Grubbs
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Publication number: 20060149088Abstract: The present invention relates to a zero-valent transition metal complex which can be used as a starting material for producing a catalyst usable for producing a polyolefin by ring-opening metathesis polymerization of an olefin and an epothilone by ring-closing metathesis reaction, and a method for efficiently producing, at low cost, an organometallic compound useful as a catalyst, using the zero-valent transition metal complex as a starting material. Provided is a method for producing a zero-valent transition metal complex (C), which comprises reacting a divalent transition metal complex (A) with an olefin (B), the complex (A) being selected from the group consisting of a divalent ruthenium complex (A1) and a divalent osmium complex (A2), thereby obtaining a zero-valent transition metal complex (C), wherein the reaction is conducted under reducing conditions and after the reaction, the resultant crude product is extracted at high temperature using a saturated hydrocarbon as an extracting solvent.Type: ApplicationFiled: February 13, 2004Publication date: July 6, 2006Inventors: Hiroshi Hiraike, Takeharu Morita, Fumiyuki Ozawa, Hiroyuki Katayama
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Patent number: 7022789Abstract: The present invention relates to telechelic polymers having crosslinkable end groups of the formula and methods for preparing the same wherein n is an integer; is an alkadienyl group; Y is an alkyl group; and Z is crosslinkable end group. In general, the inventive synthesis involves reacting a functionalized chain transfer agent having crosslinkable ends with a cycloalkene in the presence of a ruthenium or osmium catalyst of the formula wherein: M is ruthenium or osmium; X and X1 are independently any anionic ligand; L and L1 are any neutral electron donor ligand; R and R1 are each hydrogen or a substituted or unsubstituted substituent wherein the substituent is selected from the group consisting of C1–C20 alkyl, C2–C20 alkenyl, C2–C20 alkynyl, aryl, C1–C20 carboxylate, C1–C20 alkoxy, C1–C20 alkenyloxy, C2–C20 alkynyloxy, aryloxy, C2–C20 alkoxycarbonyl, C1–C20 alkylthio, C1–C20 alkylsulfonyl and C1–C20 alkylsulfinyl.Type: GrantFiled: February 22, 2005Date of Patent: April 4, 2006Assignee: California Institute of TechnologyInventors: Bob R. Maughon, Takeharu Morita, Robert H. Grubbs
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Patent number: 7015276Abstract: A melt-moldable, thermoplastic norbornene resin composition characterized by being obtained by compounding (A) a base polymer comprising a thermoplastic norbornene resin with (B) an olefin compound having a number-average molecular weight of 200 to 10,000 and a softening point of 70 to 170° C.; and a molded article or optical film obtained by melt-molding or extrusion-molding the thermoplastic norbornene resin composition.Type: GrantFiled: October 1, 2001Date of Patent: March 21, 2006Assignee: Sekisui Chemical Co., Ltd.Inventors: Takeharu Morita, Hiroshi Hiraike, Shoji Nozato
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Publication number: 20060036033Abstract: It is an object of the invention to provide a thermoplastic saturated norbornene resin film, an optical film, a protective film for a polarizer, a retardation film, a polarizing plate obtainable by this, which realizes the compatibility between excellent physical properties and optical characteristics, and a method of producing a thermoplastic saturated norbornene resin film. The invention relates to a thermoplastic saturated norbornene resin film, which is obtainable by using a thermoplastic saturated norbornene resin composition containing a thermoplastic saturated norbornene resin in an amount of 100 parts by weight and a rubber polymer in an amount of 5 to 40 parts by weight, parallel transmittance being 87% or more.Type: ApplicationFiled: October 3, 2003Publication date: February 16, 2006Inventors: Katsunori Toyoshima, Takeharu Morita, Hiroshi Hiraike, Masakatsu Tagami, Kentaro Ogino, Katsumi Nishimura
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Publication number: 20060030723Abstract: A method for synthesizing an organometallic compound, which is usefully utilized as a catalyst for manufacturing polyolefins by ring-opening metathesis polymerization of an olefin having strain in a molecule such as dicyclopentadiene or synthesizing epothilones by ring-dosing metathesis reaction, by an efficient and low cost synthesis method using a starting material which is easily available due to relatively simple chemical structure, and further without any possibility of coexistence of a vinylhetero compound or a vinyl compound exchanged which tends to accompany as an impurity in the system in conventional methods, characterized by reacting a starting material comprising a zero-valent transition metal complex (A) or a polyvalent transition metal complex (A?), a compound (B) or (B?) shown by the following general formula (1) or (4), respectively, and a neutral ligand (C) or (C?), in one step under non-reducing condition or reducing condition.Type: ApplicationFiled: September 27, 2002Publication date: February 9, 2006Inventors: Hiroshi Hiraike, Takeharu Morita, Fumiyuki Ozawa, Hiroyuki Katayama
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Patent number: 6977284Abstract: It is an object of the present invention to provide a polymerizable composition and a cured resin composition, linear expansion coefficients of which are significantly improved without impairment of the excellent properties such as heat resistance, mechanical strength and the like of norbornene-based resins. The present invention is a polymerizable composition, which comprises a polymerizable substance containing a norbornene-based monomer or oligomer as a main component, a metathesis polymerization catalyst and silica powder, the weight content of the silica powder being larger than the weight content of the polymerizable substance.Type: GrantFiled: February 17, 2003Date of Patent: December 20, 2005Assignee: Sekisui Chemical Co., Ltd.Inventors: Takeharu Morita, Nobuhiro Goto, Hiroshi Yoshitani, Hiroshi Hiraike
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Publication number: 20050176906Abstract: The present invention relates to telechelic polymers having crosslinkable end groups of the formula and methods for preparing the same wherein n is an integer; is an alkadienyl group; Y is an alkyl group; and Z is crosslinkable end group. In general, the inventive synthesis involves reacting a functionalized chain transfer agent having crosslinkable ends with a cycloalkene in the presence of a ruthenium or osmium catalyst of the formula wherein: M is ruthenium or osmium; X and X1 are independently any anionic ligand; L and L1 are any neutral electron donor ligand; R and R1 are each hydrogen or a substituted or unsubstituted substituent wherein the substituent is selected from the group consisting of C1-C20 alkyl, C2-C20 alkenyl, C2-C20 alkynyl, aryl, C1-C20 carboxylate, C1-C20 alkoxy, C1-C20 alkenyloxy, C2-C20 alkynyloxy, aryloxy, C2-C20 alkoxycarbonyl, C1-C20 alkylthio, C1-C20 alkylsulfonyl and C1-C20 alkylsulfinyl.Type: ApplicationFiled: February 22, 2005Publication date: August 11, 2005Applicant: California Institute of TechnologyInventors: Bob Maughon, Takeharu Morita, Robert Grubbs