Shinmen
Hiroshi Shinmen, Kitasaku-Gun JP
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20090051298 | Multiple discharge lamp lighting device - A multiple discharge lamp lighting device in which lamp current of discharge lamps is equalized by using a circuit structure having transformers on both sides of the discharge lamps and in which the number of parts can be reduced. A multiple discharge lamp lighting device | 02-26-2009 |
Hiroshi Shinmen, Nagano-Ken JP
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20080211423 | Multiple-Light Discharge Lamp Lighting Device - To provide a multiple-light discharge lamp lighting device that stabilizes and equalizes tube current of a plurality of discharge lamps without arranging a Ballast element to the secondary side of an inverter transformer with low costs. A multiple-light discharge lamp lighting device | 09-04-2008 |
20080284550 | Variable Inductor - A variable inductor according to the present invention includes a control winding, two windings constituting a primary winding, and a magnetic core. The magnetic core includes a center leg and two outer legs disposed so as to sandwich the center leg, wherein the control winding is disposed around the center leg, and the two winding as the primary winding are disposed around the two outer legs, respectively. The control winding is shifted in location with respect to the two winding as the primary winding in the longitudinal direction of the legs thereby providing a sufficient spatial isolation therefrom, thus ensuring a sufficient withstand voltage between the control winding and the primary winding. | 11-20-2008 |
Masutaka Shinmen, Sanyoonoda-Shi JP
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20140162144 | Method For Producing Lithium Tetrafluoroborate Solution - Disclosed is a production method of a lithium tetrafluoroborate solution for use as a lithium battery electrolytic solution, including: a reaction step of forming lithium tetrafluoroborate by reaction of lithium fluoride and boron trifluoride in a chain carbonate ester solvent and thereby obtaining a reaction solution of the lithium tetrafluoroborate dissolved in the chain carbonate ester solvent; a water removal step of adding a water removing agent to the reaction solution; an acidic impurity removal step of removing an acidic impurity component from the reaction solution by concentrating the reaction solution after the water removal step; and a dilution step of diluting the concentrated solution after the acidic impurity removal step. It is possible by this method to obtain the lithium tetrafluoroborate solution whose acidic impurity content and water content are reduced to be 50 mass ppm or lower and 15 mass ppm or lower, respectively. | 06-12-2014 |
Masutaka Shinmen, Yamaguchi JP
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20100308313 | Organic Material Containing Oligophenylene Skeleton and Light-Emitting Device Using the Same - [Object] To provide a wide band-gap material capable of forming a stable amorphous thin film and an organic electroluminescent device using such a compound and having a high light emission efficiency. | 12-09-2010 |
Yusuke Shinmen, Otake-Shi JP
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20110130503 | ACRYLONITRILE COPOLYMER AND METHOD FOR PRODUCING THE SAME, ACRYLONITRILE COPOLYMER SOLUTION AND POLYACRYLONITRILE PRECURSOR FIBER FOR CARBON FIBER AND METHOD FOR PRODUCING THE SAME - Disclosed are an acrylonitrile copolymer excellent in thermal stability as a solution (spinning dope) when dissolved in an amide solvent and capable of forming dense polyacrylonitrile fiber suitable for production of carbon fiber, an acrylonitrile copolymer solution in which the acrylonitrile copolymer is dissolved in an amide solvent, and a method for producing polyacrylonitrile precursor fiber for carbon fiber by use of the acrylonitrile copolymer solution. Specifically, an acrylonitrile copolymer contains a sulfonate group derived from a polymerization initiator in an amount of 1.0×10 | 06-02-2011 |
Yusuke Shinmen, Hiroshima JP
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20140212663 | POLYACRYLONITRILE-BASED COPOLYMER, POLYACRYLONITRILE-BASED PRECURSOR FIBER FOR CARBON FIBER, CARBON FIBER BUNDLES, PROCESS FOR PRODUCING STABILIZED FIBER BUNDLES, AND PROCESS FOR PRODUCING CARBON FIBER BUNDLES - Provided are: a polyacrylonitrile-based precursor fiber for the production of a carbon fiber having a large single-fiber fineness, said precursor fiber ensuring high heat stability of a spinning dope and excellent productivity; and a copolymer suitable for the production of said precursor fiber. Also provided are: high-quality carbon fiber bundles which have a large single-fiber fineness and excellent productivity; a process for producing the same; and a process for producing flameproofed fiber bundles suitable for the production of the carbon fiber bundles. A polyacrylonitrile-based copolymer which comprises 93.0 to 99.4 mol % of acrylonitrile units, 0.5 to 4.0 mol % of (meth)acrylamide-based units, and 0.1 to 3.0 mol % of unsaturated carboxylic acid hydroxyalkyl ester units and in which the (meth)acrylamide-based units are (meth)acrylamide units and/or (meth)acrylamide derivative units having a molecular weight of 105 or less; a precursor fiber comprising the copolymer; a process for producing flameproofed fiber bundles which uses precursor fiber bundles consisting of the precursor fiber; carbon fiber bundles; and a process for production thereof. | 07-31-2014 |
Yuusuke Shinmen, Hiroshima JP
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20130295811 | CARBON-FIBER-PRECURSOR FIBER BUNDLE, CARBON FIBER BUNDLE, AND USES THEREOF - Provided are: a carbon fiber bundle which has a large value of single-fiber fineness and excellent productivity and which, despite this, contains few interlaced single fibers therein and has excellent spreadability; and precursor fibers which are suitable for use in producing the carbon fiber bundle. The precursor fibers are a carbon-fiber-precursor acrylic fiber bundle which comprises a polyacrylonitrile copolymer comprising 95-99 mol % acrylonitrile units and 1-5 mol % hydroxyalkyl (meth)acrylate units and which has a single-fiber fineness of 1.5-5.0 dtex. In the acrylic fiber bundle, the cross-section of each single fiber which is perpendicular to the fiber axis has a shape that has a roundness of 0.9 or less. The roundness is a value determined using equation (1) where S and L are the cross-sectional area and the circumferential length, respectively, of a single fiber which are obtained by examining, with an SEM, the cross-section of the single fiber which is perpendicular to the fiber axis and analyzing the obtained image. | 11-07-2013 |