Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10903228 | Semiconductor storage device | Hiroki Sasaki, Atsushi Murakoshi | 2021-01-26 |
| 10658480 | Memory device | — | 2020-05-19 |
| 9721654 | Memory device | — | 2017-08-01 |
| 9061898 | Memory device | — | 2015-06-23 |
| 9041091 | Nonvolatile semiconductor memory device | — | 2015-05-26 |
| 8969843 | Memory device | — | 2015-03-03 |
| 8916923 | Nonvolatile semiconductor memory | — | 2014-12-23 |
| 8890231 | Nonvolatile semiconductor memory device with a narrowing charge storage layer | — | 2014-11-18 |
| 8742489 | Nonvolatile semiconductor memory | Daisuke Matsushita | 2014-06-03 |
| RE44630 | Semiconductor device and method for manufacturing the same | Tetsuya Kai, Yoshio Ozawa | 2013-12-10 |
| 8587050 | Semiconductor memory | — | 2013-11-19 |
| 8307022 | Random number generating device | Mari Matsumoto, Shinichi Yasuda, Shinobu Fujita | 2012-11-06 |
| 8115248 | Semiconductor device and method for manufacturing the same | Tetsuya Kai, Yoshio Ozawa | 2012-02-14 |
| 8039890 | Random number generating device | Mari Matsumoto, Shinobu Fujita | 2011-10-18 |
| 7629642 | Semiconductor device | — | 2009-12-08 |
| 7573094 | Random number generating element | Shinobu Fujita | 2009-08-11 |
| 7138651 | Logic apparatus and logic circuit | Ken Uchida, Junji Koga | 2006-11-21 |
| 7111029 | Random number generating circuit | Shinobu Fujita, Ken Uchida, Junji Koga | 2006-09-19 |
| 6787795 | Logic apparatus and logic circuit | Ken Uchida, Junji Koga | 2004-09-07 |
| 6690030 | Semiconductor device with negative differential resistance characteristics | Junji Koga, Ken Uchida, Akira Toriumi | 2004-02-10 |
| 6680505 | Semiconductor storage element | Junji Koga, Ken Uchida | 2004-01-20 |
| 5734181 | Semiconductor device and manufacturing method therefor | Tomohisa Mizuno, Makoto Yoshimi, Kazuya Ohuchi | 1998-03-31 |