Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11250915 | Semiconductor memory | Hiroshi Maejima, Katsuaki Isobe, Naohito Morozumi, Go Shikata | 2022-02-15 |
| 10839913 | Semiconductor memory | Hiroshi Maejima, Katsuaki Isobe, Naohito Morozumi, Go Shikata | 2020-11-17 |
| 8559234 | Semiconductor memory device | Noriyasu Kumazaki | 2013-10-15 |
| 8223558 | Nonvolatile semiconductor memory device | Tomoharu Tanaka, Hiroshi Nakamura, Ken Takeuchi, Riichiro Shirota, Fumitaka Arai | 2012-07-17 |
| 8208309 | Semiconductor memory device and method of operating the same | — | 2012-06-26 |
| 8203883 | Semiconductor memory device and method of programming the same | — | 2012-06-19 |
| 8189395 | Nonvolatile semiconductor memory and data reading method | Hitoshi Shiga, Yoshihiko Shindo | 2012-05-29 |
| 8000147 | Nonvolatile semiconductor memory device | Tomoharu Tanaka, Hiroshi Nakamura, Ken Takeuchi, Riichiro Shirota, Fumitaka Arai | 2011-08-16 |
| 7843724 | Nonvolatile semiconductor memory and data reading method | Hitoshi Shiga, Yoshihiko Shindo | 2010-11-30 |
| 7746707 | Nonvolatile semiconductor memory device | Tomoharu Tanaka, Hiroshi Nakamura, Ken Takeuchi, Riichiro Shirota, Fumitaka Arai | 2010-06-29 |
| 7310270 | Nonvolatile semiconductor memory device | Tomoharu Tanaka, Hiroshi Nakamura, Ken Takeuchi, Riichiro Shirota, Fumitaka Arai | 2007-12-18 |
| 7224612 | Nonvolatile semiconductor memory device | Tomoharu Tanaka, Hiroshi Nakamura, Ken Takeuchi, Riichiro Shirota, Fumitaka Arai | 2007-05-29 |
| 6940752 | Nonvolatile semiconductor memory device | Tomoharu Tanaka, Hiroshi Nakamura, Ken Takeuchi, Riichiro Shirota, Fumitaka Arai | 2005-09-06 |
| 6798698 | Nonvolatile semiconductor memory device | Tomoharu Tanaka, Hiroshi Nakamura, Ken Takeuchi, Riichiro Shirota, Fumitaka Arai | 2004-09-28 |
| 6549464 | Nonvolatile semiconductor memory device | Tomoharu Tanaka, Hiroshi Nakamura, Ken Takeuchi, Riichiro Shirota, Fumitaka Arai | 2003-04-15 |
| 6434055 | Nonvolatile semiconductor memory device | Tomoharu Tanaka, Hiroshi Nakamura, Ken Takeuchi, Riichiro Shirota, Fumitaka Arai | 2002-08-13 |
| 6418052 | Nonvolatile semiconductor memory equipped with data latch circuits for transferring one-bit data or multi-bit data | Noboru Shibata, Tomoharu Tanaka, Hiroto Nakai, Toshio Yamamura | 2002-07-09 |
| 6331945 | Non-volatile semiconductor memory capable of storing one-bit data or multi-bit data | Noboru Shibata, Tomoharu Tanaka, Hiroto Nakai, Toshio Yamamura | 2001-12-18 |
| 6208560 | Nonvolatile semiconductor memory device | Tomoharu Tanaka, Hiroshi Nakamura, Ken Takeuchi, Riichiro Shirota, Fumitaka Arai | 2001-03-27 |
| 6134140 | Nonvolatile semiconductor memory device with soft-programming to adjust erased state of memory cells | Tomoharu Tanaka, Hiroshi Nakamura, Ken Takeuchi, Riichiro Shirota, Fumitaka Arai | 2000-10-17 |
| 6122193 | Non-volatile semiconductor memory capable of storing 1-bit data or multi-bit data | Noboru Shibata, Tomoharu Tanaka, Hiroto Nakai, Toshio Yamamura | 2000-09-19 |
| 5160038 | Water purifying apparatus | Takashi Harada, Masahide Higashiyama, Hidetoshi Tokita | 1992-11-03 |