Issued Patents All Time
Showing 1–25 of 35 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12319621 | Zirconia sintered body and method for producing same | Takeshi Ito, Isao Yamashita | 2025-06-03 |
| 11535565 | Black sintered body and method for producing the same | Takeshi Ito, Isao Yamashita | 2022-12-27 |
| 10696022 | Composite plate and production method therefor | Isao Yamashita, Kohei Imai, Koji Tsukuma | 2020-06-30 |
| 10682831 | Composite plate and method for producing same | Isao Yamashita, Kohei Imai, Koji Tsukuma | 2020-06-16 |
| 10550040 | Red zirconia sintered body and method for manufacturing the same | Takeshi Ito, Satoshi Tsuchiya | 2020-02-04 |
| 9919971 | Zirconia sintered body and use thereof | Hitoshi NAGAYAMA, Naoki Shinozaki, Takeshi Ito, Koji Tsukuma | 2018-03-20 |
| 9174877 | Colored translucent zirconia sintered body, its production process and its use | Isao Yamashita, Koji Tsukuma | 2015-11-03 |
| 9034721 | Method for manufacturing semiconductor substrate | Syouji Nogami, Tomonori Yamaoka, Nobuhiro Tsuji, Toshiyuki Morishita | 2015-05-19 |
| 8956947 | Method for manufacturing semiconductor substrate | Syouji Nogami, Tomonori Yamaoka, Nobuhiro Tsuji, Toshiyuki Morishita | 2015-02-17 |
| 8835276 | Method for manufacturing semiconductor substrate | Syouji Nogami, Tomonori Yamaoka, Nobuhiro Tsuji, Toshiyuki Morishita | 2014-09-16 |
| RE44236 | Method for manufacturing semiconductor device | Hitoshi Yamaguchi, Tomoatsu Makino, Syouji Nogami, Tomonori Yamaoka | 2013-05-21 |
| 7811907 | Method for manufacturing semiconductor device and epitaxial growth equipment | Takumi Shibata, Tomonori Yamaoka, Syouji Nogami | 2010-10-12 |
| 7776710 | Manufacturing method of semiconductor wafer having a trench structure and epitaxial layer | Syouji Nogami, Yukichi Horioka | 2010-08-17 |
| 7642178 | Semiconductor device, method for manufacturing the same and method for evaluating the same | Takumi Shibata, Tomonori Yamaoka, Syouji Nogami | 2010-01-05 |
| 7633123 | Semiconductor device having super junction structure | Hitoshi Yamaguchi, Yoshiyuki Hattori, Kyoko Okada | 2009-12-15 |
| 7601603 | Method for manufacturing semiconductor device | Hitoshi Yamaguchi, Tomoatsu Makino, Syouji Nogami, Tomonori Yamaoka | 2009-10-13 |
| 7553731 | Method of manufacturing semiconductor device | Yoshiyuki Hattori, Kyoko Okada | 2009-06-30 |
| 7517771 | Method for manufacturing semiconductor device having trench | Takumi Shibata, Hitoshi Yamaguchi, Masaru Hori | 2009-04-14 |
| 7465990 | Semiconductor device having super junction structure | Yoshiyuki Hattori, Kyoko Okada | 2008-12-16 |
| 7417284 | Semiconductor device and method of manufacturing the same | Yoshiyuki Hattori, Kyoko Okada | 2008-08-26 |
| 7364980 | Manufacturing method of semiconductor substrate | Syouji Nogami, Tomonori Yamaoka, Hitoshi Yamaguchi, Takumi Shibata | 2008-04-29 |
| 7342422 | Semiconductor device having super junction structure and method for manufacturing the same | Tomoatsu Makino, Makoto Kuwahara, Yoshiyuki Hattori | 2008-03-11 |
| 7342265 | Vertical-type semiconductor device having repetitive-pattern layer | Makoto Kuwahara, Yoshiyuki Hattori, Mikimasa Suzuki | 2008-03-11 |
| 7170119 | Vertical type semiconductor device | Hitoshi Yamaguchi, Takashi Suzuki, Kyoko Nakashima | 2007-01-30 |
| 7063751 | Semiconductor substrate formed by epitaxially filling a trench in a semiconductor substrate with a semiconductor material after smoothing the surface and rounding the corners | Yasushi Urakami, Hitoshi Yamaguchi, Nobuhiro Tsuji | 2006-06-20 |