Issued Patents All Time
Showing 51–66 of 66 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8148711 | Nonvolatile memory element, manufacturing method thereof, and nonvolatile semiconductor apparatus using nonvolatile memory element | Satoru Fujii, Yoshihiko Kanzawa, Takeshi Takagi | 2012-04-03 |
| 8125818 | Method of programming variable resistance element and variable resistance memory device using the same | Shunsaku Muraoka, Takeshi Takagi | 2012-02-28 |
| 8102696 | Nonvolatile memory device and method of writing data to nonvolatile memory device | Yoshikazu Katoh | 2012-01-24 |
| 8094485 | Variable resistance nonvolatile storage device with oxygen-deficient oxide layer and asymmetric substrate bias effect | Yoshihiko Kanzawa, Satoru Mitani, Shunsaku Muraoka | 2012-01-10 |
| 8094481 | Resistance variable memory apparatus | Yoshikazu Katoh | 2012-01-10 |
| 8094482 | Nonvolatile memory apparatus and nonvolatile data storage medium | Zhiqiang Wei, Takeshi Takagi, Ken Kawai | 2012-01-10 |
| 8022502 | Nonvolatile memory element, manufacturing method thereof, and nonvolatile semiconductor apparatus using the nonvolatile memory element | Yoshihiko Kanzawa, Koji Katayama, Satoru Fujii, Shunsaku Muraoka, Koichi Osano +3 more | 2011-09-20 |
| 7990754 | Resistance variable memory apparatus | Ryotaro Azuma, Satoru Fujii | 2011-08-02 |
| 7965539 | Nonvolatile memory element, nonvolatile semiconductor memory apparatus, and reading method and writing method therefor | Koichi Osano, Shunsaku Muraoka, Satoru Fujii | 2011-06-21 |
| 7920402 | Resistance variable memory apparatus | Yoshikazu Katoh, Zhiqiang Wei | 2011-04-05 |
| 7920408 | Resistance change nonvolatile memory device | Ryotaro Azuma, Satoru Fujii, Yoshihiko Kanzawa | 2011-04-05 |
| 7916516 | Nonvolatile memory apparatus and method for writing data in nonvolatile memory apparatus | Zhiqiang Wei, Takeshi Takagi, Yoshikazu Katoh | 2011-03-29 |
| 7911824 | Nonvolatile memory apparatus | Ken Kawai | 2011-03-22 |
| 6198671 | Semiconductor memory device | Yasuhiro Aoyama, Kiyoto Ohta, Masanobu Hirose | 2001-03-06 |
| 6181633 | Semiconductor device | Yuji Yamasaki | 2001-01-30 |
| 5933364 | Semiconductor device with a metal layer for supplying a predetermined potential to a memory cell section | Yasuhiro Aoyama, Kiyoto Oota | 1999-08-03 |