Issued Patents All Time
Showing 1–25 of 63 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11094372 | Partial writing method of dram memoryl device to reduce power consumption associated with large voltage swing of internal input/output lines | Yasuhiro Konishi | 2021-08-17 |
| 11094368 | Memory, memory chip and memory data access method | — | 2021-08-17 |
| 8411522 | Semiconductor device | Yasuhiro Matsumoto | 2013-04-02 |
| 8102726 | Semiconductor device | Yasuhiro Matsumoto | 2012-01-24 |
| 8015457 | Redundancy circuit and semiconductor memory device | Yousuke Kawamata | 2011-09-06 |
| 7940583 | Semiconductor memory device, control method therefor, and method for determining repair possibility of defective address | Yoshiro Riho, Jun Suzuki, Yasuhiro Matsumoto, Shuichi Kubouchi, Hiromasa Noda | 2011-05-10 |
| 7835213 | Semiconductor memory device | Chiaki Dono | 2010-11-16 |
| 7796456 | Semiconductor device | Chiaki Dono, Masayuki Nakamura | 2010-09-14 |
| 7742356 | Semiconductor memory device having a refresh cycle changing circuit | Chiaki Dono | 2010-06-22 |
| 7697360 | Semiconductor device | Chiaki Dono | 2010-04-13 |
| 7652904 | Semiconductor memory device having plural memory cell arrays | Chiaki Dono, Jun Suzuki | 2010-01-26 |
| 7613056 | Semiconductor memory device | Sumio Ogawa | 2009-11-03 |
| 7551502 | Semiconductor device | Chiaki Dono | 2009-06-23 |
| 7471586 | Semiconductor memory device which controls refresh of a memory array in normal operation | — | 2008-12-30 |
| 7417908 | Semiconductor storage device | Sumio Ogawa | 2008-08-26 |
| 7301844 | Semiconductor device | Chiaki Dono | 2007-11-27 |
| 7215589 | Semiconductor memory device that requires refresh operations | Chiaki Dono | 2007-05-08 |
| 7187607 | Semiconductor memory device and method for manufacturing same | — | 2007-03-06 |
| 7085187 | Semiconductor storage device | Chiaki Dono | 2006-08-01 |
| 7082072 | Semiconductor memory device with refreshment control | Chiaki Dono | 2006-07-25 |
| 7075852 | Semiconductor memory device of hierarchy word type and sub word driver circuit | Chiaki Dono | 2006-07-11 |
| 6847563 | Semiconductor storage device and method for remedying defects of memory cells | — | 2005-01-25 |
| 6636448 | Semiconductor memory device having fewer memory cell plates being activated in a test mode than in a normal mode | — | 2003-10-21 |
| 6515921 | Semiconductor storage device having redundancy circuit for replacement of defect cells under tests | — | 2003-02-04 |
| 6483579 | Clock synchronization semiconductor memory device | — | 2002-11-19 |