Issued Patents All Time
Showing 1–25 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11727978 | Semiconductor device and method of controlling semiconductor device | Kota Ama | 2023-08-15 |
| 11728815 | Semiconductor device | Junya Ogawa | 2023-08-15 |
| 11190193 | Semiconductor device | Junya Ogawa | 2021-11-30 |
| 10998015 | Semiconductor storage device | Toshio Inada | 2021-05-04 |
| 9887012 | Write voltage generation circuit and memory apparatus | Akira Akahori | 2018-02-06 |
| 9484106 | Nonvolatile semiconductor memory | — | 2016-11-01 |
| 9245635 | Nonvolatile semiconductor memory | — | 2016-01-26 |
| 8792287 | Nonvolatile semiconductor memory device and data writing method | Junya Ogawa | 2014-07-29 |
| 8649220 | Nonvolatile semiconductor memory | — | 2014-02-11 |
| 8189405 | Data readout circuit and semiconductor memory device | Nobukazu Murata | 2012-05-29 |
| 7885136 | Semiconductor memory device having high stability and quality of readout operation | Junichi Ogane | 2011-02-08 |
| 7808835 | Non-volatile semiconductor storage device | Hirokazu Miyazaki, Tsutomu Higuchi | 2010-10-05 |
| 7560977 | Step-up booster circuit | Hirokazu Miyazaki | 2009-07-14 |
| 7525845 | Non-volatile semiconductor storage device | Hirokazu Miyazaki, Tsutomu Higuchi | 2009-04-28 |
| 7484135 | Semiconductor device having a mode of functional test | — | 2009-01-27 |
| 7092302 | Nonvolatile semiconductor memory device | — | 2006-08-15 |
| 7031864 | Semiconductor device having a mode of functional test | — | 2006-04-18 |
| 6977861 | Nonvolatile semiconductor memory device | — | 2005-12-20 |
| 6975164 | Method and device for generating constant voltage | Yoshimasa Sekino | 2005-12-13 |
| 6774708 | Voltage boosting circuit with two main charge pumps | — | 2004-08-10 |
| 6347057 | Semiconductor memory device with sense amplifier block | — | 2002-02-12 |
| 6320799 | Semiconductor memory with a decoder circuit having a redundancy relief function | Hirokazu Miyazaki | 2001-11-20 |
| 5768210 | Semiconductor memory device | Tamihiro Ishimura | 1998-06-16 |
| 5699316 | Semiconductor memory device | Tamihiro Ishimura, Sampei Miyamoto | 1997-12-16 |
| 5625315 | Booster power generating circuit | Sampei Miyamoto, Hidekazu Kikuchi | 1997-04-29 |