Issued Patents All Time
Showing 1–25 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12236990 | Magnetic memory device | Hideyuki Sugiyama, Kenji Fukuda, Yoshiaki Asao | 2025-02-25 |
| 11856791 | Nonvolatile storage device | Masahiko Nakayama, Gaku Sudo, Tadashi Kai | 2023-12-26 |
| 11742020 | Storage device | Masahiko Nakayama | 2023-08-29 |
| 11676661 | Storage device | Masahiko Nakayama, Jyunichi Ozeki | 2023-06-13 |
| 11367748 | Nonvolatile storage device | Masahiko Nakayama, Gaku Sudo, Tadashi Kai | 2022-06-21 |
| 10985210 | Nonvolatile storage device | Masahiko Nakayama, Toshihiko Nagase, Tomomi Funayama, Hironobu Furuhashi | 2021-04-20 |
| 10985209 | Nonvolatile storage device | Masahiko Nakayama, Gaku Sudo, Tadashi Kai | 2021-04-20 |
| 10707269 | Semiconductor storage device | Toshihiko Nagase, Daisuke Watanabe, Koji Ueda, Tadashi Kai | 2020-07-07 |
| 9728242 | Memory device | Motoyuki Sato, Keisuke NAKATSUKA | 2017-08-08 |
| 6980463 | Semiconductor memory device including memory cell portion and peripheral circuit portion | Keiji Hosotani | 2005-12-27 |
| 6632723 | Semiconductor device | Shinichi Watanabe, Takashi Ohsawa, Yoichi Takegawa, Takeshi Kajiyama | 2003-10-14 |
| 6590244 | Semiconductor memory device using magneto resistive effect element | Yoshiaki Asao, Kentaro Nakajima | 2003-07-08 |
| 6483138 | Semiconductor apparatus formed by SAC (self-aligned contact) | Mariko Habu, Masami Aoki, Tahru Ozaki | 2002-11-19 |
| 6300178 | Semiconductor device with self-aligned contact and manufacturing method thereof | — | 2001-10-09 |
| 6294422 | Semiconductor device with high integration density and improved performance | Masami Aoki | 2001-09-25 |
| 6258650 | Method for manufacturing semiconductor memory device | — | 2001-07-10 |
| 6204527 | Semiconductor memory device and method for producing same | Akira Sudo, Akihiro Nitayama | 2001-03-20 |
| 6153476 | Semiconductor device and method for manufacturing the same | Satoshi Inaba, Tohru Ozaki, Yusuke Kohyama | 2000-11-28 |
| 6078073 | Semiconductor apparatus formed by SAC (self-aligned contact) method and manufacturing method therefor | Mariko Habu, Masami Aoki, Tohru Ozaki | 2000-06-20 |
| 6031260 | Semiconductor memory device and method for manufacturing the same | — | 2000-02-29 |
| 6025623 | Semiconductor device with high integration density and improved performance | Masami Aoki | 2000-02-15 |
| 5559350 | Dynamic RAM and method of manufacturing the same | Thoru Ozaki, Seiichi Takedai, Yoshiyuki Shioyama | 1996-09-24 |
| 5488242 | Semiconductor memory device | Hiroshi Takato, Tohru Ozaki, Naoko Okabe, Katsuhiko Hieda, Fumio Horiguchi +4 more | 1996-01-30 |
| 5363325 | Dynamic semiconductor memory device having high integration density | Tsuneaki Fuse, Akihiro Nitayama, Takehiro Hasegawa, Shigeyoshi Watanabe, Fumio Horiguchi +1 more | 1994-11-08 |
| 5248628 | Method of fabricating a semiconductor memory device | Naoko Okabe, Satoshi Inoue, Takashi Yamada, Akihiro Nitayama, Hiroshi Takato | 1993-09-28 |