Issued Patents All Time
Showing 1–25 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8665661 | Semiconductor memory device capable of realizing a chip with high operation reliability and high yield | Hiroshi Nakamura, Ken Takeuchi, Kenichi Imamiya, Kazuhito Narita, Kazuhiro Shimizu +1 more | 2014-03-04 |
| 8350309 | Nonvolatile semiconductor memory | Hiroshi Watanabe, Hiroshi Nakamura, Kazuhiro Shimizu, Seiichi Aritome, Toshitake Yaegashi +3 more | 2013-01-08 |
| 8259494 | Semiconductor memory device capable of realizing a chip with high operation reliability and high yield | Hiroshi Nakamura, Ken Takeuchi, Kenichi Imamiya, Kazuhito Narita, Kazuhiro Shimizu +1 more | 2012-09-04 |
| 8248849 | Semiconductor memory device capable of realizing a chip with high operation reliability and high yield | Hiroshi Nakamura, Ken Takeuchi, Kenichi Imamiya, Kazuhito Narita, Kazuhiro Shimizu +1 more | 2012-08-21 |
| 8084802 | Nonvolatile semiconductor memory | Hiroshi Watanabe, Hiroshi Nakamura, Kazuhiro Shimizu, Seiichi Aritome, Toshitake Yaegashi +3 more | 2011-12-27 |
| 7893477 | Nonvolatile semiconductor memory | Hiroshi Watanabe, Hiroshi Nakamura, Kazuhiro Shimizu, Seiichi Aritome, Toshitake Yaegashi +3 more | 2011-02-22 |
| 7787277 | Semiconductor memory device capable of realizing a chip with high operation reliability and high yield | Hiroshi Nakamura, Ken Takeuchi, Kenichi Imamiya, Kazuhito Narita, Kazuhiro Shimizu +1 more | 2010-08-31 |
| 7425739 | Nonvolatile semiconductor memory | Hiroshi Watanabe, Hiroshi Nakamura, Kazuhiro Shimizu, Seiichi Aritome, Toshitake Yaegashi +3 more | 2008-09-16 |
| 7359228 | Semiconductor memory device capable of realizing a chip with high operation reliability and high yield | Hiroshi Nakamura, Ken Takeuchi, Kenichi Imamiya, Kazuhito Narita, Kazuhiro Shimizu +1 more | 2008-04-15 |
| 7332762 | Nonvolatile semiconductor memory | Hiroshi Watanabe, Hiroshi Nakamura, Kazuhiro Shimizu, Seiichi Aritome, Toshitake Yaegashi +3 more | 2008-02-19 |
| 7151685 | Semiconductor memory device capable of realizing a chip with high operation reliability and high yield | Hiroshi Nakamura, Ken Takeuchi, Kenichi Imamiya, Kazuhito Narita, Kazuhiro Shimizu +1 more | 2006-12-19 |
| 7002845 | Semiconductor memory device capable of realizing a chip with high operation reliability and high yield | Hiroshi Nakamura, Ken Takeuchi, Kenichi Imamiya, Kazuhito Narita, Kazuhiro Shimizu +1 more | 2006-02-21 |
| 6974979 | Nonvolatile semiconductor memory | Hiroshi Watanabe, Hiroshi Nakamura, Kazuhiro Shimizu, Seiichi Aritome, Toshitake Yaegashi +3 more | 2005-12-13 |
| 6836444 | Semiconductor memory device capable of realizing a chip with high operation reliability and high yield | Hiroshi Nakamura, Ken Takeuchi, Kenichi Imamiya, Kazuhito Narita, Kazuhiro Shimizu +1 more | 2004-12-28 |
| 6611447 | Semiconductor memory device capable of realizing a chip with high operation reliability and high yield | Hiroshi Nakamura, Ken Takeuchi, Kenichi Imamiya, Kazuhito Narita, Kazuhiro Shimizu +1 more | 2003-08-26 |
| 6512253 | Nonvolatile semiconductor memory | Hiroshi Watanabe, Hiroshi Nakamura, Kazuhiro Shimizu, Seiichi Aritome, Toshitake Yaegashi +3 more | 2003-01-28 |
| 6487118 | SEMICONDUCTOR INTEGRATED CIRCUIT DEVICE, METHOD OF INVESTIGATING CAUSE OF FAILURE OCCURRING IN SEMICONDUCTOR INTEGRATED CIRCUIT DEVICE AND METHOD OF VERIFYING OPERATION OF SEMICONDUCTOR INTEGRATED CIRCUIT DEVICE | Yoshihisa Iwata | 2002-11-26 |
| 6424588 | Semiconductor memory device capable of realizing a chip with high operation reliability and high yield | Hiroshi Nakamura, Ken Takeuchi, Kenichi Imamiya, Kazuhito Narita, Kazuhiro Shimizu +1 more | 2002-07-23 |
| 6353242 | Nonvolatile semiconductor memory | Hiroshi Watanabe, Hiroshi Nakamura, Kazuhiro Shimizu, Seiichi Aritome, Toshitake Yaegashi +3 more | 2002-03-05 |
| 6335894 | Semiconductor integrated circuit device, method of investigating cause of failure occurring in semiconductor integrated circuit device and method of verifying operation of semiconductor integrated circuit device | Yoshihisa Iwata | 2002-01-01 |
| 6240012 | Semiconductor memory device capable of realizing a chip with high operation reliability and high yield | Hiroshi Nakamura, Ken Takeuchi, Kenichi Imamiya, Kazuhito Narita, Kazuhiro Shimizu +1 more | 2001-05-29 |
| 6172930 | Semiconductor integrated circuit device, method of investigating cause of failure occurring in semiconductor integrated circuit device and method of verifying operation of semiconductor integrated circuit device | Yoshihisa Iwata | 2001-01-09 |
| 5943282 | Semiconductor integrated circuit device, method of investigating cause of failure occurring in semiconductor integrated circuit device and method of verifying operation of semiconductor integrated circuit device | Yoshihisa Iwata | 1999-08-24 |
| 5812455 | Semiconductor integrated circuit device, method of investigating cause of failure occurring in semiconductor integrated circuit device and method of verifying operation of semiconductor integrated circuit device | Yoshihisa Iwata | 1998-09-22 |
| 5734286 | Driving device of charge pump circuit and driving pulse generation method thereof | Yasuhisa Takeyama, Junichi Miyamoto, Yoshihisa Iwata, Hironori Banba | 1998-03-31 |