Issued Patents All Time
Showing 1–25 of 60 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8867293 | Semiconductor memory device changing refresh interval depending on temperature | Akinobu Shirota | 2014-10-21 |
| 8472275 | Semiconductor memory device changing refresh interval depending on temperature | Akinobu Shirota | 2013-06-25 |
| 8286054 | Semiconductor memory, operating method of semiconductor memory, and system | — | 2012-10-09 |
| 8238188 | Semiconductor memory device changing refresh interval depending on temperature | Akinobu Shirota | 2012-08-07 |
| 8078938 | Semiconductor memory, semiconductor memory system, and error correction method for semiconductor memory | — | 2011-12-13 |
| 7916568 | Semiconductor memory device changing refresh interval depending on temperature | Akinobu Shirota | 2011-03-29 |
| 7911874 | Semiconductor integrated circuit | Yoshiyuki Ishida, Satoshi Eto | 2011-03-22 |
| 7827463 | Semiconductor memory device | Shuzo Otsuka, Toshikazu Nakamura, Akira Kikutake | 2010-11-02 |
| 7818516 | Memory controller, semiconductor memory, and memory system | Satoshi Eto, Toshiya Miyo | 2010-10-19 |
| 7706209 | Semiconductor memory device capable of driving non-selected word lines to a variable negative potential based on a bank access operation | Masato Takita, Masato Matsumiya, Satoshi Eto, Toshikazu Nakamura, Masatomo Hasegawa +6 more | 2010-04-27 |
| 7675800 | Semiconductor memory, memory controller, system, and operating method of semiconductor memory | — | 2010-03-09 |
| 7599244 | Semiconductor memory, memory controller and control method for semiconductor memory | Satoshi Eto, Toshiya Miyo, Yuji Serizawa | 2009-10-06 |
| 7548468 | Semiconductor memory and operation method for same | Shuzo Otsuka | 2009-06-16 |
| 7467337 | Semiconductor memory device | Toshikazu Nakamura, Akira Kikutake, Yasuhiro Onishi, Satoshi Eto | 2008-12-16 |
| 7453754 | Semiconductor memory device changing refresh interval depending on temperature | Akinobu Shirota | 2008-11-18 |
| 7373564 | Semiconductor memory | Akira Kikutake, Yasuhiro Onishi | 2008-05-13 |
| 7366971 | Semiconductor memory having sub-party cell array error correction | Akira Kikutake | 2008-04-29 |
| 7327627 | Semiconductor memory | Shuzo Otsuka | 2008-02-05 |
| 7307885 | Multi-value nonvolatile semiconductor memory device equipped with reference cell and load balancing circuit | Toshimi Ikeda, Atsushi Hatakeyama, Nobutaka Taniguchi, Akira Kikutake, Atsushi Takeuchi | 2007-12-11 |
| 7286434 | Semiconductor memory device with shift register-based refresh address generation circuit | Kaoru Mori, Katuhiro Mori, Shinichi Yamada, Shigemasa Ito | 2007-10-23 |
| 7286424 | Semiconductor integrated circuit device | Akira Kikutake, Shinichiro Shiratake | 2007-10-23 |
| 7281155 | Semiconductor memory device and method for executing shift redundancy operation | Satoshi Eto, Masato Matsumiya, Toshimi Ikeda, Yuki Ishii, Akira Kikutake | 2007-10-09 |
| 7227801 | Semiconductor memory device with reliable fuse circuit | Akira Kikutake, Shigemasa Ito | 2007-06-05 |
| 7212453 | Semiconductor memory having an error correction function | Akira Kikutake, Yasuhiro Onishi, Junichi Sasaki, Toshiya Miyo | 2007-05-01 |
| 7196956 | Semiconductor memory device changing refresh interval depending on temperature | Akinobu Shirota | 2007-03-27 |