Issued Patents All Time
Showing 1–25 of 38 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8334568 | Semiconductor device and method for producing the same | Hisao Ichijo | 2012-12-18 |
| 8299525 | Power IC device and method for manufacturing same | Mitsuhiro Kikuta | 2012-10-30 |
| 8004040 | Semiconductor device and its manufacturing method | Hisao Ichijo, Kazushi Naruse, Atsushi Kagisawa | 2011-08-23 |
| 7902595 | Power IC device and method of manufacturing same | Mitsuhiro Kikuta, Akinobu Teramoto, Tadahiro Ohmi, Hiroo Yabe, Takanori Watanabe | 2011-03-08 |
| 7705396 | Trench type MOSFET and method of fabricating the same | — | 2010-04-27 |
| 7567610 | Frequency conversion circuit, radio frequency wave receiver, and radio frequency transceiver | Shinji Kamiya | 2009-07-28 |
| 7453124 | Field effect transistor and fabrication method thereof | — | 2008-11-18 |
| 7239209 | Serially RC coupled quadrature oscillator | — | 2007-07-03 |
| 7136764 | Variable gain amplifier circuit | — | 2006-11-14 |
| 7132881 | Active filter | — | 2006-11-07 |
| 7002382 | Phase locked loop circuit | — | 2006-02-21 |
| 6982477 | Integrated circuit | — | 2006-01-03 |
| 6921931 | Electrostatic discharge protection element | Kenichi Higashi | 2005-07-26 |
| 6798011 | Multi-terminal MOS varactor | — | 2004-09-28 |
| 6737711 | Semiconductor device with bit lines formed via diffusion over word lines | — | 2004-05-18 |
| 6720621 | SOI semiconductor device with resistor body | — | 2004-04-13 |
| 6693326 | Semiconductor device of SOI structure | — | 2004-02-17 |
| 6627505 | Method of producing SOI MOSFET having threshold voltage of central and edge regions in opposite directions | — | 2003-09-30 |
| 6515560 | Active inductor | — | 2003-02-04 |
| 6492696 | Semiconductor device and process of manufacturing the same | Hidenori Morimoto | 2002-12-10 |
| 6462379 | SOI semiconductor device and method for manufacturing the same | Kenichi Higashi | 2002-10-08 |
| 6452232 | Semiconductor device having SOI structure and manufacturing method thereof | — | 2002-09-17 |
| 6288425 | SOI-MOSFET device | — | 2001-09-11 |
| 6204534 | SOI MOS field effect transistor | — | 2001-03-20 |
| 6194282 | Method for stabilizing SOI semiconductor device and SOI semiconductor device | Kenichi Niimi | 2001-02-27 |