Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7312472 | Compound semiconductor element based on Group III element nitride | Jun Ito, Naoki Shibata | 2007-12-25 |
| 7128846 | Process for producing group III nitride compound semiconductor | Kazuki Nishijima, Masanobu Senda, Jun Ito, Naoki Shibata, Toshimasa Hayashi | 2006-10-31 |
| 7029939 | P-type semiconductor manufacturing method and semiconductor device | Naoki Shibata | 2006-04-18 |
| 6982435 | Group III nitride compound semiconductor device and method for producing the same | Naoki Shibata, Jun Ito, Shizuyo Asami, Hiroshi Watanabe, Shinya Asami | 2006-01-03 |
| 6943128 | Method for reducing semiconductor resistance, device for reducing semiconductor resistance and semiconductor element | Naoki Shibata | 2005-09-13 |
| 6939733 | Group III nitride compound semiconductor device and method of producing the same | Naoki Shibata, Jun Ito, Shizuyo Asami, Hiroshi Watanabe, Masanobu Senda +1 more | 2005-09-06 |
| 6918961 | Group III nitride compound semiconductor device and producing method therefor | Naoki Shibata, Masanobu Senda, Jun Ito, Shizuyo Asami, Shinya Asami +1 more | 2005-07-19 |
| 6875629 | III group nitride based semiconductor element and method for manufacture thereof | Masanobu Senda, Naoki Shibata, Jun Ito | 2005-04-05 |
| 6872965 | Group III nitride compound semiconductor device | Jun Ito, Naoki Shibata, Hiroshi Watanabe, Shizuyo Asami, Shinya Asami | 2005-03-29 |
| 6861275 | Method for producing group III nitride compound semiconductor device | — | 2005-03-01 |
| 6841808 | Group III nitride compound semiconductor device and method for producing the same | Naoki Shibata, Masanobu Senda, Jun Ito, Hiroshi Watanabe, Shinya Asami +1 more | 2005-01-11 |
| 6830949 | Method for producing group-III nitride compound semiconductor device | Masanobu Senda, Jun Ito, Naoki Shibata, Shizuyo Asami | 2004-12-14 |
| 6713789 | Group III nitride compound semiconductor device and method of producing the same | Naoki Shibata, Jun Ito, Shizuyo Asami, Hiroshi Watanabe, Masanobu Senda +1 more | 2004-03-30 |
| 6623998 | Method for manufacturing group III nitride compound semiconductor device | Naoki Shibata, Masanobu Senda, Jun Ito, Hiroshi Watanabe, Shinya Asami +1 more | 2003-09-23 |
| 6593016 | Group III nitride compound semiconductor device and producing method thereof | Naoki Shibata, Masanobu Senda, Jun Ito, Shizuyo Asami, Shinya Asami +1 more | 2003-07-15 |
| 6589808 | GaN type semiconductor device | Shizuyo Noiri, Naoki Shibata, Jun Ito | 2003-07-08 |
| 6531719 | Group III nitride compound semiconductor device | Naoki Shibata, Masanobu Senda, Jun Ito, Hiroshi Watanabe, Shinya Asami +1 more | 2003-03-11 |
| 6426512 | Group III nitride compound semiconductor device | Jun Ito, Naoki Shibata, Hiroshi Watanabe, Shizuyo Asami, Shinya Asami | 2002-07-30 |
| 6342404 | Group III nitride compound semiconductor device and method for producing | Naoki Shibata, Jun Ito, Shizuyo Asami, Hiroshi Watanabe, Shinya Asami | 2002-01-29 |
| 6335217 | GaN type semiconductor device fabrication | Shizuyo Noiri, Naoki Shibata, Jun Ito | 2002-01-01 |
| 6100545 | GaN type semiconductor device | Shizuyo Noiri, Naoki Shibata, Jun Ito | 2000-08-08 |