Issued Patents All Time
Showing 1–25 of 38 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE50034 | Three-dimensionally stacked nonvolatile semiconductor memory | Naoya Tokiwa | 2024-07-09 |
| RE49113 | Three-dimensionally stacked nonvolatile semiconductor memory | Naoya Tokiwa | 2022-06-21 |
| RE47866 | Three-dimensionally stacked nonvolatile semiconductor memory | Naoya Tokiwa | 2020-02-18 |
| RE45929 | Three-dimensionally stacked nonvolatile semiconductor memory | Naoya Tokiwa | 2016-03-15 |
| 8801178 | Fundus photographing apparatus | Yoshihiko Yamada, Masaaki Hanebuchi | 2014-08-12 |
| 8427885 | Nonvolatile semiconductor memory device | Hiroshi Maejima, Katsuaki Isobe | 2013-04-23 |
| 8379432 | Nonvolatile semiconductor storage device and data writing method therefor | Hiroshi Maejima, Katsuaki Isobe | 2013-02-19 |
| 8235528 | Fundus photographing apparatus | Masaaki Hanebuchi, Yoshihiko Yamada | 2012-08-07 |
| 8228733 | Three-dimensionally stacked nonvolatile semiconductor memory | Naoya Tokiwa | 2012-07-24 |
| 8154908 | Nonvolatile semiconductor storage device and data writing method therefor | Hiroshi Maejima, Katsuaki Isobe | 2012-04-10 |
| 8097903 | Semiconductor memory device | Tsuneo Inaba | 2012-01-17 |
| 8089818 | Nonvolatile semiconductor memory device | Hiroshi Maejima, Katsuaki Isobe | 2012-01-03 |
| 7983084 | Three-dimensionally stacked nonvolatile semiconductor memory | Naoya Tokiwa | 2011-07-19 |
| 7907436 | Nonvolatile semiconductor storage device and data writing method therefor | Hiroshi Maejima, Katsuaki Isobe | 2011-03-15 |
| 7876626 | Semiconductor memory device and semiconductor memory system | Hiroshi Maejima, Satoru Takase, Naoya Tokiwa, Katsuaki Isobe | 2011-01-25 |
| 7800935 | Resistance change memory device | Hiroshi Maejima, Katsuaki Isobe, Naoya Tokiwa, Satoru Takase, Yasuyuki Fukuda +1 more | 2010-09-21 |
| 7382651 | Nonvolatile semiconductor memory device | Osamu Nagao, Yasuyuki Fukuda | 2008-06-03 |
| 7177172 | Semiconductor memory device, electronic card and electronic device | — | 2007-02-13 |
| 6927990 | Semiconductor memory device, electronic card and electronic device | — | 2005-08-09 |
| 6819607 | Semiconductor memory device | Kaoru Nakagawa | 2004-11-16 |
| 6733492 | Laser treatment apparatus | Yasuo Ota, Yohei Kamihagi, Wataru Niwa | 2004-05-11 |
| 6641578 | Laser treatment apparatus | — | 2003-11-04 |
| 6585725 | Laser irradiation method for laser treatment and laser treatment apparatus | — | 2003-07-01 |
| 6567322 | Semiconductor memory device | Kaoru Nakagawa | 2003-05-20 |
| 6168278 | Protective goggles for laser and laser treatment apparatus with the goggles | — | 2001-01-02 |