Issued Patents All Time
Showing 1–25 of 25 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12372493 | Gas sensor | Taku OKAMOTO, Ryo HASHIKAWA | 2025-07-29 |
| 12372494 | Gas sensor | Taku OKAMOTO, Ryo HASHIKAWA | 2025-07-29 |
| 12366550 | Gas sensor | Taku OKAMOTO, Ryo HASHIKAWA | 2025-07-22 |
| 12253488 | Gas sensor | Kunihiko Nakagaki | 2025-03-18 |
| 10809224 | Gas sensor calibration method | Taku OKAMOTO, Yuki NAKAYAMA | 2020-10-20 |
| 10557817 | Method of inspecting electrode provided in gas sensor element | Taku OKAMOTO, Yuki NAKAYAMA | 2020-02-11 |
| 9543953 | Semiconductor device having floating body type transistor | — | 2017-01-10 |
| 8988958 | Sense amplifier circuit and semiconductor device | Kazuhiko Kajigaya, Yasutoshi Yamada | 2015-03-24 |
| 8982652 | Sense amplifier circuit and semiconductor device | Kazuhiko Kajigaya, Yasutoshi Yamada | 2015-03-17 |
| 8976612 | Sense amplifier circuit and semiconductor device | Kazuhiko Kajigaya, Yasutoshi Yamada | 2015-03-10 |
| 8971140 | Semiconductor device and data processing system comprising semiconductor device | Kazuhiko Kajigaya, Yasutoshi Yamada | 2015-03-03 |
| 8872258 | Semiconductor memory device | Yoshimitsu Yanagawa, Tomonori Sekiguchi, Akira Kotabe | 2014-10-28 |
| 8605524 | Semiconductor device and semiconductor memory device | — | 2013-12-10 |
| 8576610 | Semiconductor device having floating body type transistor | — | 2013-11-05 |
| 8537635 | Semiconductor device having floating body type transistor | — | 2013-09-17 |
| 8477552 | Memory device, semiconductor memory device and control method thereof | Kazuhiko Kajigaya | 2013-07-02 |
| 8355289 | Memory device, semiconductor memory device and control method thereof | Kazuhiko Kajigaya | 2013-01-15 |
| 8320208 | Sense amplifier circuit and semiconductor device | Kazuhiko Kajigaya, Yasutoshi Yamada | 2012-11-27 |
| 8300484 | Semiconductor device and semiconductor memory device | — | 2012-10-30 |
| 8238182 | Semiconductor device and data processing system comprising semiconductor device | Kazuhiko Kajigaya, Yasutoshi Yamada | 2012-08-07 |
| 8238183 | Semiconductor device and data processing system comprising semiconductor device | Kazuhiko Kajigaya, Yasutoshi Yamada | 2012-08-07 |
| 8189413 | Semiconductor memory device, test method thereof and semiconductor device | — | 2012-05-29 |
| 7933141 | Semiconductor memory device | Kazuhiko Kajigaya, Tomonori Sekiguchi, Riichiro Takemura, Yasutoshi Yamada | 2011-04-26 |
| 7903449 | Semiconductor memory device | Kazuhiko Kajigaya, Tomonori Sekiguchi, Riichiro Takemura, Yasutoshi Yamada | 2011-03-08 |
| 7869294 | Semiconductor device having single-ended sensing amplifier | Kazuhiko Kajigaya | 2011-01-11 |