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Termination structures for trench-gate field-effect transistors |
Takashi Ogura, Toshimitsu Taniguchi |
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Step-up/down DC-DC converter and switching control circuit |
Keizo Kumagai |
2015-06-02 |
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Step-up/down DC-DC converter and switching control circuit |
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Nonvolatile semiconductor memory device and method of manufacturing the same |
— |
2013-04-02 |
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DC-DC converter with a PWM mode and a continuously on mode |
Masaki Kuroyabu, Keizo Kumagai |
2012-11-13 |
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DC-DC converter |
Keizo Kumagai |
2012-06-05 |
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Direct-current power supply device, power supply device for driving LED and semiconductor integrated circuit for driving power supply |
Keizo Kumagai |
2011-07-12 |
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Semiconductor diode device with lateral transistor |
Kazutomo Goshima |
2009-12-15 |
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Kiyokazu Otani |
2003-09-23 |
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2002-05-14 |
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Method of forming a three-layer structural spiral inductor |
Atsushi Inoue, Tatsuo Bizen, You Funada |
1994-10-25 |
| 5241228 |
UHF transistor mixer circuit |
Masao Uno |
1993-08-31 |
| 5043609 |
UHF band transistor mixer circuit |
Masao Uno |
1991-08-27 |