Yoshiyuki Takahashi
Yoshiyuki Takahashi, Ichihara-Shi JP
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20080255315 | Epoxy Resin Composition,Cured Article Thereof, Semiconductor Sealing Material, Novel Phenol Resin, Novel Epoxy Resin,Method for Producing Novel Phenol Resin, And Method For Producing Novel Epoxy Resin - An epoxy resin composition including an epoxy resin and a curing agent as essential components, in which the curing agent comprises a phenol resin which has each structural moiety of a phenolic hydroxyl group-containing aromatic hydrocarbon group (P), an alkoxy group-containing aromatic hydrocarbon group (B) and a divalent aralkyl group (X), and also has, in a molecular structure, a structure in which the phenolic hydroxyl group-containing aromatic hydrocarbon group (P) and the alkoxy group-containing aromatic hydrocarbon group (B) are bonded with the other phenolic hydroxyl group-containing aromatic hydrocarbon group (P) or alkoxy group-containing aromatic hydrocarbon group (B) via the divalent aralkyl group (X). | 10-16-2008 |
20090054585 | EPOXY RESIN COMPOSITION AND CURED ARTICLE THEREOF, SEMICONDUCTOR ENCAPSULATION MATERIAL, NOVEL PHENOL RESIN, AND NOVEL EPOXY RESIN - The object of the present invention is to provide an epoxy resin composition capable of realizing low dielectric constant and low dielectric dissipation factor, which is suited for use as a latest current high-frequency type electronic component-related material, without deteriorating heat resistance during the curing reaction. A phenol resin, which has the respective structural units of a phenolic hydroxyl group-containing aromatic hydrocarbon group (P) derived from phenols, an alkoxy group-containing condensed polycyclic aromatic hydrocarbon group (B) derived from methoxynaphthalene and a divalent hydrocarbon group (X) such as methylene and also has a structure represented by —P—B—X— wherein P, B and X are structural sites of these groups in a molecular structure, is used as a curing agent for the epoxy resin, or a phenol resin as an epoxy resin material. | 02-26-2009 |
20100087590 | EPOXY RESIN COMPOSITION AND CURED ARTICLE THEREOF, SEMICONDUCTOR ENCAPSULATION MATERIAL, NOVEL PHENOL RESIN, AND NOVEL EPOXY RESIN - The object of the present invention is to provide an epoxy resin composition capable of realizing low dielectric constant and low dielectric dissipation factor, which is suited for use as a latest current high-frequency type electronic component-related material, without deteriorating heat resistance during the curing reaction. A phenol resin, which has the respective structural units of a phenolic hydroxyl group-containing aromatic hydrocarbon group (P) derived from phenols, an alkoxy group-containing condensed polycyclic aromatic hydrocarbon group (B) derived from methoxynaphthalene and a divalent hydrocarbon group (X) such as methylene and also has a structure represented by -P-B-X- wherein P, B and X are structural sites of these groups in a molecular structure, is used as a curing agent for the epoxy resin, or a phenol resin as an epoxy resin material. | 04-08-2010 |
20110275739 | EPOXY RESIN COMPOSITION, CURED ARTICLE THEREOF, SEMICONDUCTOR SEALING MATERIAL, NOVEL PHENOL RESIN, NOVEL EPOXY RESIN, METHOD FOR PRODUCING NOVEL PHENOL RESIN, AND METHOD FOR PRODUCING NOVEL EPOXY RESIN - An epoxy resin composition including an epoxy resin and a curing agent as essential components, in which the curing agent comprises a phenol resin which has each structural moiety of a phenolic hydroxyl group-containing aromatic hydrocarbon group (P), an alkoxy group-containing aromatic hydrocarbon group (B) and a divalent aralkyl group (X), and also has, in a molecular structure, a structure in which the phenolic hydroxyl group-containing aromatic hydrocarbon group (P) and the alkoxy group-containing aromatic hydrocarbon group (B) are bonded with the other phenolic hydroxyl group-containing aromatic hydrocarbon group (P) or alkoxy group-containing aromatic hydrocarbon group (B) via the divalent aralkyl group (X). | 11-10-2011 |
20130184377 | CURABLE RESIN COMPOSITION, CURED PRODUCT THEREOF, PHENOL RESIN, EPOXY RESIN, AND SEMICONDUCTOR ENCAPSULATING MATERIAL - The present invention provides a heat-curable resin composition having excellent fluidity and realizing moisture-resistance reliability suitable for recent electronic component-related materials and high flame retardancy in a halogen-free state for harmony with the environment, a cured product thereof, a semiconductor encapsulating material using the composition, and a phenol resin and epoxy resin which give these performances. The heat-curable resin composition includes, as essential components, an epoxy resin (A) and a phenol resin (B), the phenol resin (B) having a phenol resin structure having, as a basic skeleton, a structure in which a plurality of phenolic hydroxyl group-containing aromatic skeletons (ph) are bonded to each other through an alkylidene group or a methylene group having an aromatic hydrocarbon structure, and an aromatic nucleus of the phenol resin structure has a naphthylmethyl group or an anthrylmethyl group. | 07-18-2013 |
20130237639 | CURABLE RESIN COMPOSITION, CURED PRODUCT THEREOF, PHENOLIC RESIN, EPOXY RESIN, AND SEMICONDUCTOR SEALING MATERIAL - A high degree of resistance to moisture and solder and high flame retardancy are realized without incorporating a halogen in view of environmental friendliness. A phenolic resin has structural moieties which are a naphthylmethyloxy group- or anthrylmethyloxy group-containing aromatic hydrocarbon group (ph1), a phenolic hydroxyl group-containing aromatic hydrocarbon group (ph2), and a divalent aralkyl group (X) represented by general formula (1) below: | 09-12-2013 |
Yoshiyuki Takahashi, Mie JP
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20090080687 | SPEAKER DIAPHRAGM, SPEAKER DUST CAP, SPEAKER SUB-CONE, SPEAKER USING THESE COMPONENTS, AND ELECTRONIC APPARATUS USING THE SAME - A loudspeaker of high sound quality is achieved by improving rigidity of a material used for a diaphragm, a dust cap and a sub-cone. The diaphragm, the dust cap and the sub-cone of the loudspeaker are made of a paper beaten with the material containing bamboo fibers obtained from a bamboo tree aged one year or older, of which the fibers are finely beaten to an extent of micro-fibrillated form. The diaphragm and the dust cap are also made with a beaten paper containing at least 2 wt % of “A fibers” having stems of no greater than 30 μm in diameter, and surfaces of the stems are fibrillated into shaggy branches having diameters of 1 μm or less. | 03-26-2009 |
Yoshiyuki Takahashi, Shinagawa-Ku JP
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20130187296 | RESIN COMPACT, METHOD FOR PRODUCING RESIN COMPACT, RESIN COMPOSITION, METHOD FOR PRODUCING RESIN COMPOSITION AND ELECTRONIC COMPONENT DEVICE - The present invention is related to a method for producing a resin compact containing an epoxy resin, a curing agent, a curing accelerator and an inorganic filler. The method includes a kneading and crushing process for preparing a first powder material obtained by mixing, heat-melting, kneading and crushing a first component containing the epoxy resin and the curing agent and the inorganic filler, but not containing the curing accelerator; a pulverizing process for preparing a second powder material obtained by pulverizing a second component containing the curing accelerator; a mixing process for preparing a resin composition by dispersing and mixing the first powder material and the second powder material; and a molding process for obtaining the resin compact by compression-molding the resin composition. This makes it possible to obtain a resin compact (particularly, a resin compact for encapsulation) having superior long term storage stability at room temperature, good curable property and fluidity. | 07-25-2013 |
Yoshiyuki Takahashi, Showa-Ku JP
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20150152384 | COMPOSITIONS AND METHODS FOR PREVENTION OR TREATMENT OF NEOPLASTIC DISEASE IN A MAMMALIAN SUBJECT - Compositions and methods are provided for preventing or treating neoplastic disease in a mammalian subject. A composition is provided which comprises an enriched immune cell population reactive to a human endogenous retrovirus type E antigen on a tumor cell. A method of treating a neoplastic disease in a mammalian subject is provided which comprises administering to a mammalian subject a composition comprising an enriched immune cell population reactive to a human endogenous retrovirus type E antigen, in an amount effective to reduce or eliminate the neoplastic disease or to prevent its occurrence or recurrence. | 06-04-2015 |
Yoshiyuki Takahashi, Osaka JP
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20150192530 | NUCLEAR MATERIAL DETECTION DEVICE AND NUCLEAR MATERIAL DETECTION METHOD - A nuclear material within a container is to be detected. Included are: a neutron source for generating neutrons emitted toward the container; a detection section capable of detecting neutrons including primary neutrons emitted from the neutron source and secondary neutrons generated through a nuclear fission reaction of the nuclear material; and a processing section for performing a reactor noise analysis process based on data obtained through detecting of neutrons by the detection section. The neutron source generates neutrons in a pulsatile manner. The processing section performs the reactor noise analysis process based on data obtained by excluding, from time series data obtained through detecting of neutrons by the detection section, data of a time range including a generation time of the neutrons generated by the neutron source in the pulsatile manner. | 07-09-2015 |
Yoshiyuki Takahashi, Tokyo JP
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20150280446 | MULTIPLEX WIRELESS POWER TRANSMISSION SYSTEM AND TRANSMITTING-SIDE MULTIPLEX WIRELESS POWER TRANSMISSION APPARATUS - A system includes a primary transmission power supply | 10-01-2015 |
20150280447 | MULTIPLEXED WIRELESS POWER TRANSMISSION SYSTEM FOR MOVING COMPONENT - A system has primary transmission power supply | 10-01-2015 |
Yoshiyuki Takahashi, Chiyoda-Ku JP
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20160105037 | MULTIPLEX TRANSMISSION SYSTEM FOR WIRELESSLY TRANSMITTING POWER, TRANSMITTING SIDE MULTIPLEX TRANSMISSION DEVICE AND BILLING/INFORMATION SYSTEM - A multiplex transmission system including: a primary transmission power source that feeds power of a single frequency; a transmitter-receiver system that includes plural-line transmission antennas wirelessly transmitting power from the primary transmission power source, and plural-line reception antennas receiving power from the transmission antennas that form pairs with the reception antennas; a directional coupler-type transmission power source circuit establishing resonant condition of each of the transmission antennas; and plural-line reception power source circuits establishing resonant condition of each of the reception antennas that form the pairs. The directional coupler-type transmission power source circuit includes a directional coupler-type output filter that distributes power to the respective transmission antennas. | 04-14-2016 |
Yoshiyuki Takahashi, Okayama JP
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20160134972 | LOUDSPEAKER-PURPOSE VIBRATION PLATE, LOUDSPEAKER USING THAT VIBRATION PLATE, ELECTRONIC DEVICE, AND MOBILE APPARATUS - A loud speaker diaphragm includes a base layer containing a natural fiber, and a coating layer composed of a cellulose nanofiber. The coating layer is formed on at least one surface of the base layer. A Young's modulus of the cellulose nanofiber is larger than a Young's modulus of the base layer, and an internal loss of the cellulose nanofiber is smaller than an internal loss of the base layer. | 05-12-2016 |