Issued Patents All Time
Showing 26–47 of 47 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6731535 | Nonvolatile semiconductor memory device | Tsukasa Ooishi, Shigehiro Kuge | 2004-05-04 |
| 6521527 | Semiconductor device and method of fabricating the same | Takashi Kuroi, Hidekazu Oda, Satoshi Shimizu | 2003-02-18 |
| 6492690 | Semiconductor device having control electrodes with different impurity concentrations | Yoshinori Okumura, Shigenobu Maeda, Shigeto Maegawa | 2002-12-10 |
| 6475844 | Field effect transistor and method of manufacturing same | Hidekazu Oda, Tomohiro Yamashita | 2002-11-05 |
| 6469347 | Buried-channel semiconductor device, and manufacturing method thereof | Hidekazu Oda, Tomohiro Yamashita | 2002-10-22 |
| 6461934 | Method of manufacturing semiconductor device having trench type element isolation regions | Yukio Nishida, Masashi Kitazawa | 2002-10-08 |
| 6380036 | Semiconductor device and method of manufacturing the same | Hidekazu Oda, Takehisa Yamaguchi | 2002-04-30 |
| 6300656 | Nonvolatile semiconductor memory device having a drain region of different impurity density and conductivity types | Shigeru Kusunoki, Yoshinori Okumura | 2001-10-09 |
| 6300664 | Semiconductor device and method of fabricating the same | Takashi Kuroi, Hidekazu Oda, Satoshi Shimizu | 2001-10-09 |
| 6255146 | Thin film transistor and a method of manufacturing thereof | Satoshi Shimizu, Shigenobu Maeda, Takashi Ipposhi | 2001-07-03 |
| 6188085 | Thin film transistor and a method of manufacturing thereof | Satoshi Shimizu, Shigenobu Maeda, Takashi Ipposhi | 2001-02-13 |
| 6153910 | Semiconductor device with nitrogen implanted channel region | Hidekazu Oda, Takehisa Yamaguchi | 2000-11-28 |
| 6130463 | Field effect transistor and method of manufacturing same | Hidekazu Oda, Tomohiro Yamashita | 2000-10-10 |
| 6020610 | Semiconductor device and method of manufacturing the same | Yoshinori Okumura, Shigenobu Maeda, Shigeto Maegawa | 2000-02-01 |
| 6017781 | Method for making a thin film transistor | Satoshi Shimizu, Shigenobu Maeda, Takashi Ipposhi | 2000-01-25 |
| 5998828 | Semiconductor device having nitrogen introduced in its polysilicon gate | Yoshinori Okumura, Shigenobu Maeda, Shigeto Maegawa | 1999-12-07 |
| 5978294 | Memory cell evaluation semiconductor device, method of fabricating the same and memory cell evaluation method | Tomohiro Yamashita, Hidekazu Oda, Shigeki Komori | 1999-11-02 |
| 5600154 | Thin film transistor with particular nitrogen concentration | Satoshi Shimizu, Shigenobu Maeda, Takashi Ipposhi | 1997-02-04 |
| 5557129 | Semiconductor MOSFET device having a shallow nitrogen implanted channel region | Hidekazu Oda, Takehisa Yamaguchi | 1996-09-17 |
| 5192016 | Methods for manufacturing tubes filled with powdery and granular substances | Nobuo Araki, Takeji Kagami, Yoji Chatani, Shunichi Kikuta, Iwao Yamada +6 more | 1993-03-09 |
| 4940254 | Seat belt holder position adjuster | — | 1990-07-10 |
| 4456196 | Seat belt retractor with a tension eliminator | Juichiro Takada, Kazuo Isamu | 1984-06-26 |