Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9053787 | Crosspoint nonvolatile memory device and method of driving the same | Kazuhiko Shimakawa, Ryotaro Azuma, Yoshikazu Katoh | 2015-06-09 |
| 8995171 | Designing method of non-volatile memory device, manufacturing method of non-volatile memory device, and non-volatile memory device | Yukio Hayakawa, Kiyotaka Tsuji, Shinichi Yoneda | 2015-03-31 |
| 8923032 | Crosspoint nonvolatile memory device and forming method thereof | Kazuhiko Shimakawa, Ryotaro Azuma, Ken Kawai | 2014-12-30 |
| 8902635 | Variable resistance nonvolatile memory device and method of writing thereby | Ryotaro Azuma, Kazuhiko Shimakawa, Kouhei Tanabe | 2014-12-02 |
| 7408820 | Nonvolatile semiconductor memory with virtual ground array | Takafumi Maruyama, Kazuyuki Kouno, Yasuhiro Tomita | 2008-08-05 |
| 7035751 | Nonvolatile memory microcomputer chip, and a method for testing the nonvolatile memory microcomputer chip | Masatoshi Shinagawa, Tetsuyuki Fukushima, Masakazu Kurata, Manabu Komiya | 2006-04-25 |
| 5539700 | Column selection circuit of semiconductor memory with transfer gate | Toshiki Mori | 1996-07-23 |