Issued Patents All Time
Showing 1–24 of 24 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11569256 | Memory device with transistors above memory stacks and manufacturing method of the memory device | Shinichiro Shiratake, Mutsumi Okajima, Hidetoshi Saito, Hirofumi Inoue | 2023-01-31 |
| 8873292 | Nonvolatile semiconductor memory device | Hidefumi NAWATA | 2014-10-28 |
| 8533549 | Memory system and computer system | Shigeo Kondo, Naoyuki Shigyo | 2013-09-10 |
| 8319270 | Semiconductor device and method for manufacturing the same | Mutsuo Morikado, Hiroaki Tsunoda, Tohru Maruyama, Fumitaka Arai | 2012-11-27 |
| 7215576 | Nonvolatile semiconductor memory device which erases data in units of one block including a number of memory cells, and data erasing method of the nonvolatile semiconductor memory device | Hiroshi Watanabe, Hideo Kato, Takamichi Kasai, Hiroyuki Sasaki | 2007-05-08 |
| 7094652 | Semiconductor device and method of manufacturing the same | Hiroshi Watanabe, Kazunori Masuda | 2006-08-22 |
| 6806540 | Semiconductor device and method of manufacturing the same | Hiroshi Watanabe, Kazunori Masuda | 2004-10-19 |
| 6376295 | Method for manufacturing a semiconductor memory device with a fine structure | Minoru Kurata, Yuuichi Tatsumi, Yasumasa Sawada | 2002-04-23 |
| 6166958 | Semiconductor memory device, method for manufacturing the same, and method for controlling the same | Shinichi Maekawa | 2000-12-26 |
| 5885872 | Method for manufacturing a semiconductor device having an adjustable channel width | Tutomu Tamaki | 1999-03-23 |
| 5838041 | Nonvolatile semiconductor memory device having memory cell transistor provided with offset region acting as a charge carrier injecting region | Eiji Sakagami | 1998-11-17 |
| 5751636 | Semiconductor memory device having data erasing mechanism | Tomoko Suzuki, Seiji Yamada, Etsushi Obi, Masamitsu Oshikiri | 1998-05-12 |
| 5629548 | Semiconductor device with adjustable channel width | Tutomu Tamaki | 1997-05-13 |
| 5623445 | Semiconductor memory device having data erasing mechanism | Tomoko Suzuki, Seiji Yamada, Etsushi Obi, Masamitsu Oshikiri | 1997-04-22 |
| 5465236 | Nonvolatile semiconductor memory system with a plurality of erase blocks | — | 1995-11-07 |
| 5452248 | Method of operating a nonvolatile semiconductor memory device | Tomoko Suzuki, Seiji Yamada, Etsushi Obi, Masamitsu Oshikiri | 1995-09-19 |
| 5375094 | Nonvolatile semiconductor memory system with a plurality of erase blocks | — | 1994-12-20 |
| 5365098 | Non-volatile semiconductor memory having improved erasure characteristics | Junichi Miyamoto, Kuniyoshi Yoshikawa | 1994-11-15 |
| 5243210 | Semiconductor memory device and manufacturing method thereof | — | 1993-09-07 |
| 5208173 | Method of manufacturing non-volatile semiconductor memory device | Seiji Yamada | 1993-05-04 |
| 5169792 | Semiconductor device | Katsuto Katoh | 1992-12-08 |
| 5091882 | Nonvolatile semiconductor memory device and method of operating the same | — | 1992-02-25 |
| 5068827 | Method of applying a program voltage for a non-volatile semiconductor memory and apparatus for implementing the same | Seiji Yamada | 1991-11-26 |
| 4675981 | Method of making implanted device regions in a semiconductor using a master mask member | — | 1987-06-30 |