Patents by Inventor Takahiko Ito
Takahiko Ito 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: 10253153Abstract: The present invention provides a linker for solid phase synthesis of nucleic acid, which consists of a compound represented by the formula (I) or the formula (II), a support for solid phase synthesis of nucleic acid, which has a structure represented by the formula (III), and a production method of a nucleic acid, which uses the support: wherein each symbol is as defined in the SPECIFICATION.Type: GrantFiled: April 22, 2016Date of Patent: April 9, 2019Assignee: Nitto Denko CorporationInventors: Eri Maeta, Kenjiro Mori, Shohei Horie, Takahiko Ito, Shoichiro Saito, Ryuhei Nagao
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Publication number: 20170129390Abstract: In a headlight optical-axis control device 10, a controller 15 is configured to: calculate vehicle angles indicating tilt angles of a vehicle relative to a road surface, on the basis of ratios, each being a ratio of a difference between a reference acceleration in a longitudinal direction and a signal indicating an acceleration in the longitudinal direction detected during traveling of the vehicle, to a difference between a reference acceleration in a perpendicular direction and a signal indicating an acceleration in the perpendicular direction detected during traveling of the vehicle by an acceleration sensor 2; calculate a plot of the calculated vehicle angles thereby to derive a vehicle angle corresponding to a case where a change of the acceleration in the longitudinal direction is zero; and generate a signal for controlling the optical axes of headlights 5L and 5R on the basis of the derived vehicle angle.Type: ApplicationFiled: September 16, 2014Publication date: May 11, 2017Applicant: MITSUBISHI ELECTRIC CORPORATIONInventors: Mitsuaki AKAZA, Toshiyuki YAMASHITA, Takashi OHSAWA, Wataru TSUJITA, Takahiko ITO
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Publication number: 20160311847Abstract: The present invention provides a linker for solid phase synthesis of nucleic acid, which consists of a compound represented by the formula (I) or the formula (II), a support for solid phase synthesis of nucleic acid, which has a structure represented by the formula (III), and a production method of a nucleic acid, which uses the support: wherein each symbol is as defined in the SPECIFICATION.Type: ApplicationFiled: April 22, 2016Publication date: October 27, 2016Applicant: Nitto Denko CorporationInventors: Eri MAETA, Kenjiro MORI, Shohei HORIE, Takahiko ITO, Shoichiro SAITO, Ryuhei NAGAO
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Publication number: 20070292061Abstract: A device for rotating body capable of reducing fluid resistance loss by making use of the conventional bearing technology. The device is provided with a rotating body held rotatably; and one or more covering rotating bodies are installed on the outer side of the rotating body and held rotatably and coaxially with the rotating body. Bearing means are provided between the rotating body and the covering rotating body adjacent thereto or between the covering rotating bodies adjacent to each other, and bearings for the respective covering rotating bodies are disposed in series in relation to bearings for the rotating body. In addition, by filling up the interior of a case with hydrogen gas or helium gas, lower in density than air, windage loss can be further reduced.Type: ApplicationFiled: August 22, 2007Publication date: December 20, 2007Applicants: Tamura Electric Works, Ltd., Yukigaya Institute Co., Ltd.Inventors: Satoru Shimada, Shigeru Suzuki, Koichi Aoyama, Sumiko Seki, Takahiko Ito
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Patent number: 7160622Abstract: An oil repelling agent to coat a dynamic pressure device, such as a fluid dynamic pressure bearing device, includes a UV coloring agent, a fluorine-based polymer and a solvent. In an exemplary embodiment of the invention, the concentration of the UV coloring agent component is about 100 PPM to about 400 PPM, and the concentration of the fluorine polymer is about 0.1% by weight to about 0.6% by weight.Type: GrantFiled: September 4, 2003Date of Patent: January 9, 2007Assignee: Minebea Co., Ltd.Inventors: Akio Okamiya, Takahiko Ito
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Publication number: 20050076983Abstract: A run-flat core has a closed upper surface and an open lower surface and includes a reinforcement plate provided for reinforcement within the core. The core includes one or more blocks formed in the same shape with each other and connected in a circumferential direction of a wheel. The core has flanges protruding in right and left directions at a lower portion of the core. A band is wound onto the flanges, and by tensioning the band, the core is pressed to a rim. The blocks are connected to each other at a lower portion of the core. The core may include a longitudinal groove, and by winding the band onto the longitudinal groove, the core is pressed to the rim.Type: ApplicationFiled: November 24, 2004Publication date: April 14, 2005Inventors: Yoshiaki Kimura, Takahiko Ito, Takashi Kainose, Masahiro Seto
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Publication number: 20050050982Abstract: A device for rotating body windage loss reduction, capable of rotating a rotating body at a high peripheral speed in an environment at atmospheric pressure or close to atmospheric pressure while reducing fluid resistance loss at a low cost by making use of the conventional bearing technology, is implemented, thereby enhancing efficiency of an energy storage device such as, for example, a flywheel, and so forth. The device is provided with a rotating body held rotatably; and a covering rotating body installed on the outer side of the rotating body so as to enclose the same, held rotatably and coaxially with the rotating body. Further, optional plural numbers of the covering rotating bodies installed coaxially with the rotating body and covering the outer side of the device for rotating body windage loss reduction are provided on top of each other in sequence.Type: ApplicationFiled: July 11, 2002Publication date: March 10, 2005Inventors: Satoru Shimada, Shigeru Suzuki, Koichi Aoyama, Sumiko Seki, Takahiko Ito
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Publication number: 20040132881Abstract: An oil repelling agent to coat a dynamic pressure device, such as a fluid dynamic pressure bearing device, includes a UV coloring agent, a fluorine-based polymer and a solvent. In an exemplary embodiment of the invention, the density of the UV coloring agent component is about 100 PPM to about 400 PPM, and the density of the fluorine polymer is about 0.1% by weight to about 0.6% by weight.Type: ApplicationFiled: September 4, 2003Publication date: July 8, 2004Applicants: Minebea Co., Ltd., Noda Screen Co., Ltd.Inventors: Akio Okamiya, Takahiko Ito
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Patent number: 6636431Abstract: A symmetrical DC/DC converter selects an energy transferring direction and a step-up or a step-down operation as well as a desired step-up or a step-down ratio. The converter includes a single inductor with a pair of switching devices connected to its terminals in a symmetrical arrangement with respect to the inductor. The converter is operable as a step-up converter and a step-down converter in a manner such that one and the other of the switching devices are used as an input switch and an output switch, respectively, and that one and the other of the switching devices are conversely used as an output switch and an input switch, respectively.Type: GrantFiled: December 4, 2001Date of Patent: October 21, 2003Assignee: NEC Tokin CorporationInventors: Sumiko Seki, Takahiko Ito
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Patent number: 6538414Abstract: An energy adjusting device is provided which transfers energy charged in an arbitrary cell to the input/output terminals of a unit energy storage device. The energy adjusting device includes a transformer having a plurality of primary coils and a secondary coil mutually coupled magnetically but electrically insulated, switching circuits which open and close the circuits of the primary coils of the transformer connected to the arbitrary cell, a circuit connecting the secondary coil of the transformer via a rectifying circuit to the input/output terminals of the unit energy storage device, and a control circuit which, by operating the switching circuits, adjusts the amount of energy stored in the cells to a specific ratio with respect to the amount of energy stored by the unit energy storage device.Type: GrantFiled: July 3, 2001Date of Patent: March 25, 2003Assignee: Tokin CorporationInventors: Kikuo Tsuruga, Akio Hasebe, Kazuya Mori, Sumiko Seki, Takahiko Ito
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Patent number: 6524711Abstract: A thermosetting resin composition comprising: a polycarbodiimide obtained from organic polyisocyanates containing at least one kind of aromatic polyisocyanate, an epoxy resin, a curing agent for epoxy resin, and a rubber component, wherein the proportions of the individual components are 100 parts by weight of the polycarbodiimide, 30 to 150 parts by weight of the epoxy resin, 1.0 equivalent or less, relative to the epoxy resin, of the curing agent for epoxy resin, and 0.1 to 20 parts by weight of the rubber component which is, in a semi-cured state (a B-stage), free from resin cracking or powder detaching when bent and therefore easy to handle and, after curing, has good electrical properties and heat resistance.Type: GrantFiled: September 17, 2001Date of Patent: February 25, 2003Assignee: Nisshinbo Industries, Inc.Inventors: Yasuo Imashiro, Takahiko Ito, Hideshi Tomita, Norimasa Nakamura
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Patent number: 6485833Abstract: A resin-coated metal foil comprising: a metal foil, and a resin layer formed on the metal foil by coating and semi-curing, on the metal foil, a composition containing a polycarbodiimide resin having a number-average molecular weight of 3,000 to 50,000, an epoxy resin, the proportions of the polycarbodiimide resin and the epoxy resin being 100 parts by weight and 20 to 2000 parts by weight, respectively. In the resin-coated metal foil, the resin is superior in handleability and storage stability in a semi-cured state and, after complete cure, high in heat resistance and superior in dielectric properties.Type: GrantFiled: October 20, 2000Date of Patent: November 26, 2002Assignee: Nisshinbo Industries, Inc.Inventors: Yasuo Imashiro, Takahiko Ito, Hideshi Tomita, Norimasa Nakamura
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Patent number: 6440258Abstract: The present invention provides an adhesive film for semiconductor package, which comprises a polycarbodiimide resin, an epoxy resin and an inorganic filler, wherein the polycarbodiimide resin has a polystyrene-reduced number-average molecular weight of 3,000 to 50,000 as measured by gel permeation chromatography, the epoxy resin is contained in an amount of 20 to 150 parts by weight per 100 parts by weight of the polycarbodiimide resin, and the inorganic filler is contained in an amount of 30 to 70% by weight based on the total resin content.Type: GrantFiled: September 22, 1999Date of Patent: August 27, 2002Assignee: Nisshinbo Industries, Inc.Inventors: Yasuo Imashiro, Takahiko Ito, Hideshi Tomita, Norimasa Nakamura
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Publication number: 20020101745Abstract: A symmetrical DC/DC converter is adapted to desirably select an energy transferring direction and a step-up or a step-down operation as well as a desired step-up or a step-down ratio. The converter comprising a single inductor with a pair of switching means connected to its terminals in a symmetrical arrangement with respect to the inductor. The converter is operable as a step-up converter and a step-down converter in a manner such that one and the other of the switching means are used as an input switch and an output switch, respectively, and that one and the other of the switching means are conversely used as an output switch and an input switch, respectively.Type: ApplicationFiled: December 4, 2001Publication date: August 1, 2002Applicant: Tokin CorporationInventors: Sumiko Seki, Takahiko Ito
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Publication number: 20020081434Abstract: A thermosetting resin composition comprising:Type: ApplicationFiled: September 17, 2001Publication date: June 27, 2002Inventors: Yasuo Imashiro, Takahiko Ito, Hideshi Tomita, Norimasa Nakamura
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Patent number: 6387505Abstract: The present invention provides a prepreg which is composed of a mixture of a polycarbodiimide resin and an epoxy resin and which has a film shape; a prepreg composed of (1) a mixture of a polycarbodiimide resin and an epoxy resin and (2) a base material; a multilayer printed wiring board obtained by alternately laminating an internal substrate and an insulating adhesive layer and adhering them to each other, wherein the above prepreg is used as the insulating adhesive; and a process for producing a multilayer printed wiring board, which comprises alternately laminating an internal substrate and the above prepreg, adhering them to each other, and allowing all the internal substrates to communicate with each other at the required portions. The above prepreg has high flexibility at room temperature, causes neither chipping nor peeling of resin, and is superior in heat resistance and electrical insulation after press molding.Type: GrantFiled: September 20, 1999Date of Patent: May 14, 2002Assignee: Nisshinbo Industries, Inc.Inventors: Yasuo Imashiro, Takahiko Ito, Hideshi Tomita, Norimasa Nakamura
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Patent number: 6310119Abstract: The present invention provides a film-shaped encapsulating agent for electronic parts which is composed essentially of a polycarbodiimide resin and an epoxy resin or of a polycarbodiimide resin, an epoxy resin and colorant, wherein the polycarbodiimide resin has a polystyrene-reduced number-average molecular weight of 3,000 to 50,000 as determined by gel permeation chromatography and the epoxy resin is contained in a proportion of 20 to 150 parts by weight per 100 parts by weight of the polycarbodiimide resin. The film-shaped encapsulating agent enables, for its good processability, the continuous encapsulation of electronic parts without requiring any expensive apparatus (therefore, no cost increase is incurred) and is excellent in heat resistance and electrical insulation after the encapsulation.Type: GrantFiled: September 22, 1999Date of Patent: October 30, 2001Assignee: Nisshinbo Industries, Inc.Inventors: Yasuo Imashiro, Takahiko Ito, Hideshi Tomita, Norimasa Nakamura
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Patent number: 6225417Abstract: The present invention provides a one-pack type epoxy resin composition comprising an epoxy resin having at least two epoxy groups in the molecule and a polyguanidine. The one-pack type epoxy resin composition has high storage stability, can be made into a film, is curable at relatively low temperatures, and has high adhesivity.Type: GrantFiled: July 27, 1999Date of Patent: May 1, 2001Assignee: Nisshinbo Industries, Inc.Inventors: Yasuo Imashiro, Takahiko Ito, Hideshi Tomita, Norimasa Nakamura
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Patent number: 6166466Abstract: The present invention provides an insulating material for the enameled wire of a motor of a refrigeration compressor using hydrofluorocarbons as the refrigerant and, as the refrigerating machine oil, a synthetic lubricating oil having at least one ester bond in a molecule such as ester-modified polyoxyalkylene glycol type, ester-modified ether type or ester type, which insulating material contains a compound having at least one carbodiimide group.This insulating material for the enameled wire of a motor of a refrigeration compressor, which is free from the above-mentioned problems of the prior art, which can prevent the surface deterioration or peeling (blister or cracking) etc. seen in the conventional insulating material used for covering the enameled wire (e.g.Type: GrantFiled: June 12, 1996Date of Patent: December 26, 2000Assignee: Nisshinbo Industries, Inc.Inventors: Satoshi Amano, Tomoki Nakamura, Takahiko Ito
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Patent number: 6103836Abstract: An epoxy resin composition comprising(1) an epoxy resin,(2) a polymer obtained by reacting a polycarbodiimide with a compound having, in the molecule, at least one group reactive with carbodiimide group, between the carbodiimide group of said polycarbodiimide and the group reactive with carbodiimide group, of said compound, and(3) a curing agent for epoxy resin.The above epoxy resin composition alleviates the problems of the prior art; has a long pot life in a solution state, has an appropriate gelling time and accordingly good workability, is superior in film formability and handleability in B-stage, and has high heat resistance after curing; therefore, is suitably used in printed wiring board, prepreg, etc.Type: GrantFiled: May 14, 1999Date of Patent: August 15, 2000Assignee: Nisshinbo Industries, Inc.Inventors: Yasuo Imashiro, Takahiko Ito, Hideshi Tomita, Norimasa Nakamura