Yamamoto, Yamaguchi
Kouichi Yamamoto, Yamaguchi JP
Patent application number | Description | Published |
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20100065310 | METHOD FOR MANUFACTURING METALLIZED CERAMIC SUBSTRATE CHIP - A method for manufacturing a substrate chip including the steps of: setting the thickness of at least a part of a metal wiring pattern unit provided on the raw substrate to be 0.1 μm to 5 μm; forming a groove for creating at least a crack in the surface of the ceramic substrate along a planned cutting line which passes through the part of the metal wiring pattern unit by using a cutting wheel having a cutter blade being formed into substantially V shape in cross section along the circumferential portion of the disk rotating wheel; and cutting the raw substrate by giving load from just behind of the groove. When manufacturing metallized ceramic substrate chips by cutting (dividing) the ceramic substrate on the surface of which wiring patterns made of a metal film is formed, the method is capable of effectively using the base material, inhibiting defects in the metallized portion, and efficiently manufacturing the substrate chips in high yield. | 03-18-2010 |
20120174390 | METHOD FOR MANUFACTURING METALLIZED CERAMIC SUBSTRATE CHIP - The present invention provides a method for manufacturing a substrate chip including the steps of: setting the thickness of at least a part of a metal wiring pattern unit provided on the raw substrate to be 0.1 μm to 5 μm; forming a groove for creating at least a crack in the surface of the ceramic substrate along a planned cutting line which passes through the part of the metal wiring pattern unit by using a cutting wheel having a cutter blade being formed into substantially V shape in cross section along the circumferential portion of the disk rotating wheel; and cutting the raw substrate by giving load from just behind of the groove. | 07-12-2012 |
Kunio Yamamoto, Yamaguchi JP
Patent application number | Description | Published |
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20080306228 | Process for Producing Olefin Polymer and Solid Titanium Catalyst Component - The process for producing an olefin polymer according to the present invention is characterized in that it comprises polymerizing an olefin having 3 or more carbon atoms in the presence of a catalyst for olefin polymerization containing a solid titanium catalyst component (I) which contains titanium, magnesium, halogen, and a cyclic ester compound (a) specified by the following formula (1): | 12-11-2008 |
20090069515 | Solid Titanium Catalyst Component, Catalyst for Polymerization of Olefin and Process for Producing Olefin Polymer - A solid titanium catalyst component (I) of the present invention is characterized in that it contains titanium, magnesium, halogen, and a cyclic ester compound (a) represented by the following formula (1): | 03-12-2009 |
20110034648 | SOLID TITANIUM CATALYST COMPONENT FOR ETHYLENE POLYMERIZATION, ETHYLENE POLYMERIZATION CATALYST AND ETHYLENE POLYMERIZATION METHOD - Provided are a solid titanium catalyst component for ethylene polymerization which can polymerize ethylene at a high activity and which can provide an ethylene polymer having an excellent particle property, an ethylene polymerization catalyst and an ethylene polymerization method in which the catalyst is used. | 02-10-2011 |
Shigeru Yamamoto, Yamaguchi JP
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20130193605 | MELT-SHAPED BODY OF POLYIMIDE PRECURSOR AND PROCESS FOR PRODUCTION OF POLYIMIDE FOAM USING SAME - The object is to propose an improved process for the production of a polyimide foam by which a large-sized polyimide foam in a state of fine and homogeneous cells can be readily obtained by easy operations and convenient steps. A melt-shaped body of a polyimide precursor obtainable by melt-treating in a closed state a powder of a polyimide precursor including at least an aromatic tetracarboxylic acid ester component and an aromatic amine component. A process for the production of a polyimide foam including the steps of melt-shaping in a closed state a powder of a polyimide precursor including at least aromatic tetracarboxylic acid ester component and an aromatic amine component to give a melt-shaped body of the polyimide precursor, and foaming the melt-shaped body of the polyimide precursor by a heat treatment. | 08-01-2013 |
Takeharu Yamamoto, Yamaguchi JP
Patent application number | Description | Published |
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20090266133 | STEM SLIDE DEVICE - The stem slide device of the present invention in an extruder has a stem vertical movement support ( | 10-29-2009 |
20090320549 | DISCARD CONVEYING APPARATUS - A discard conveying apparatus comprising a chute provided below a die of an extrusion pressing machine in which discards are freely dropped along the chute through which the discards are guided, in which the discard conveying apparatus comprises a chute having a discharging port in a position which is approximately just under the dies, a bucket for containing the discards disposed in the discharging port of the chute, and a transporter capable of freely moving the bucket in a forward and backward direction, the transporter being attached to a machine base in the direction of crossing to an axis line of the machine base in the manner of being passed through the machine base and supporting an inversion axis of the bucket, and the bucket is turned and inversed when the bucket is transported to an end portion of the forward movement. | 12-31-2009 |
20100000283 | EXTRUSION PRESS AND EXTRUSION CONTROL METHOD - The present invention provides an extrusion press and an extrusion control method capable of obtaining a uniformly-shaped extruded product by constantly applying a constant container sealing force between a container and a die even when an extrusion force varies during an extrusion process, improving product yield, and keeping a small energy consumption at the time of extrusion. | 01-07-2010 |
20100024509 | STEM SLIDE DEVICE - A stem slide apparatus comprises a stem slide base ( | 02-04-2010 |
20100263428 | EXTRUSION PRESS - A fixing device is configured by: a pushing device of the die unit capable of pushing the die unit from ahead in the direction of extrusion; and a pressing device of the die unit capable of pressing a die ring and the die cassette from above in a direction intersecting the direction of extrusion. The fixing device of the die unit is arranged between the discard cutting device and an end platen and at the same time, the pressing device of the die unit is provided with a fixing metal fitting of the pushing device of the die unit and a pressing metal fitting of the die ring and when the pressing device of the die unit operates and presses and fixes the die ring and the die cassette, the pushing device of the die is fixed. | 10-21-2010 |
20120160003 | EXTRUSION PRESS AND EXTRUSION CONTROL METHOD - An extrusion press includes a container mover that moves a container at an end platen and molding a product by extruding a billet loaded in the container from a die by a stem driven by a main cylinder device, wherein the extrusion press includes a deflection amount detector that detects a deflection amount of the die; a deflection amount of the die during extrusion is detected; a deviation between the detected deflection amount and a reference deflection amount of the die set in advance is mathematically processed; and the extrusion press includes a controller that sends an output to the container mover to reduce a container sealing force when the deviation is minus, or increase the container sealing force when the deviation is plus so that a container sealing force corresponding to the reference deflection amount acts on an end surface of the die. | 06-28-2012 |
Yasuhito Yamamoto, Yamaguchi JP
Patent application number | Description | Published |
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20090042260 | PROCESS FOR PREPARING OPTICALLY ACTIVE (S OR R)-ALPHA-AMINO ACID AND OPTICALLY ACTIVE (R OR S)-ALPHA-AMINO ACID ESTER - The present invention discloses a process for preparing an optically active (S or R)-α-amino acid represented by the formula (II): | 02-12-2009 |
20090117626 | Process for preparing carboxylic acid using surfactant-modified enzyme - The present invention relates to a process for preparing a carboxylic acid using a surfactant-modified enzyme which comprises selectively reacting water and a carboxylic acid ester, provided that triglyceride is excluded, in an organic solvent in the presence of a surfactant-modified enzyme. | 05-07-2009 |