Yuetsu
Yuetsu Murakami, Miyagi JP
Patent application number | Description | Published |
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20110286312 | MAGNETICALLY INSENSITIVE, HIGHLY HARD AND CONSTANT-MODULUS ALLOY, AND ITS PRODUCTION METHOD, AS WELL AS HAIR SPRING, MECHANICAL DRIVING APPARATUS AND WATCH AND CLOCK - [Task] A constant-modulus alloy, which has a low saturation magnetic flux density to provide weakly magnetic properties, a high Young's modulus, a low temperature coefficient of Young's modulus, and high hardness, is provided. A hairspring, a mechanical driving apparatus and a watch and clock, in which the alloy is used, are provided. | 11-24-2011 |
Yuetsu Watanabe, Chiyoda-Ku JP
Patent application number | Description | Published |
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20120236503 | POWER SEMICONDUCTOR MODULE AND ITS ATTACHMENT STRUCTURE - A power semiconductor module includes: a first metal substrate on which a power semiconductor device is mounted; a second metal substrate on which a power semiconductor device is not mounted; and an electrically insulating resin package which seals the first metal substrate and the second metal substrate. The back surface of the first metal substrate on the side opposite to the mounting surface of the power semiconductor device is made to expose outside the resin package to form a heat dissipation surface. | 09-20-2012 |
Yuetsu Watanabe, Tokyo JP
Patent application number | Description | Published |
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20130221516 | POWER SEMICONDUCTOR MODULE - A power semiconductor module ( | 08-29-2013 |