Issued Patents All Time
Showing 1–24 of 24 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12433033 | ESD protection circuit and semiconductor device | — | 2025-09-30 |
| 10860046 | Reference voltage generation device | — | 2020-12-08 |
| 10777544 | Method of manufacturing a semiconductor device | Takeshi Morita | 2020-09-15 |
| 10353415 | Voltage regulator having an overheat detection circuit and test terminal | Kaoru Sakaguchi | 2019-07-16 |
| 10096591 | Semiconductor device having an electrostatic protection element | Takeshi Morita | 2018-10-09 |
| 10068910 | Non-volatile semiconductor memory device | — | 2018-09-04 |
| 10014287 | Semiconductor device | — | 2018-07-03 |
| 9806605 | Voltage divider circuit having at least two kinds of unit resistors | — | 2017-10-31 |
| 9761577 | Semiconductor device | — | 2017-09-12 |
| 9472547 | Semiconductor device | — | 2016-10-18 |
| 9252289 | Non-volatile semiconductor memory device | Ayako Inoue | 2016-02-02 |
| 9053798 | Non-volatile memory circuit | Ayako Kawakami | 2015-06-09 |
| 8963224 | Semiconductor device and method of manufacturing the same | Ayako Inoue | 2015-02-24 |
| 8902645 | Semiconductor memory circuit | — | 2014-12-02 |
| 8823073 | Semiconductor memory device and semiconductor memory element | Naoto Kobayashi | 2014-09-02 |
| 8760926 | Memory circuit | Jun Osanai, Yoshitsugu Hirose, Ayako Inoue | 2014-06-24 |
| 8669156 | Method of manufacturing semiconductor circuit device | — | 2014-03-11 |
| 8581316 | Semiconductor device and method of manufacturing the same | Ayako Inoue | 2013-11-12 |
| 8294422 | Battery protection circuit device | — | 2012-10-23 |
| 8274830 | Constant current read mode or constant current data retention mode nonvolatile memory device | — | 2012-09-25 |
| 8259516 | Memory circuit including row and column selection for writing information | — | 2012-09-04 |
| 8021951 | Formation of longitudinal bipolar transistor with base region in trenches having emitter and collector regions disposed along portions of side surfaces of base region | — | 2011-09-20 |
| 7902633 | Longitudinal bipolar transistor with base region in trenches having emitter and collector regions disposed along portions of side surfaces of the base | — | 2011-03-08 |
| 7826270 | Non-volatile semiconductor memory device and method of writing and reading the same | — | 2010-11-02 |