Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12347757 | Semiconductor device and measurement device | Kazuya Yamada, Akihiro Takei, Yuichi Yoshida, Kengo Takemasa | 2025-07-01 |
| 11854952 | Semiconductor device and measurement device | Kazuya Yamada, Akihiro Takei, Yuichi Yoshida, Kengo Takemasa | 2023-12-26 |
| 11309234 | Semiconductor device having an oscillator and an associated integrated circuit | Kazuya Yamada, Akihiro Takei, Yuichi Yoshida, Kengo Takemasa | 2022-04-19 |
| 10622944 | Semiconductor device and measurement device | Kengo Takemasa, Yuichi Yoshida, Kazuya Yamada, Akihiro Takei | 2020-04-14 |
| 10615108 | Semiconductor device and measurement device | Kazuya Yamada, Akihiro Takei, Yuichi Yoshida, Kengo Takemasa | 2020-04-07 |
| 10411715 | Semiconductor device, measurement device, and correction method | Kazuya Yamada, Akihiro Takei, Yuichi Yoshida, Kengo Takemasa | 2019-09-10 |
| 10243515 | Semiconductor device and measurement device | Kengo Takemasa, Yuichi Yoshida, Kazuya Yamada, Akihiro Takei | 2019-03-26 |
| 9838022 | Semiconductor device with oscillation frequency error correction | Kazuya Yamada, Akihiro Takei, Yuichi Yoshida, Kengo Takemasa | 2017-12-05 |
| 9787250 | Semiconductor device and measurement device | Kengo Takemasa, Yuichi Yoshida, Kazuya Yamada, Akihiro Takei | 2017-10-10 |
| 9584134 | Correcting temperature based oscillation frequency errors in semiconductor device | Kazuya Yamada, Akihiro Takei, Yuichi Yoshida, Kengo Takemasa | 2017-02-28 |
| 9257377 | Semiconductor device and measurement device having an oscillator | Kazuya Yamada, Akihiro Takei, Yuichi Yoshida, Kengo Takemasa | 2016-02-09 |
| 9230890 | Semiconductor device and measurement device | Kengo Takemasa, Yuichi Yoshida, Kazuya Yamada, Akihiro Takei | 2016-01-05 |
| 9197217 | Semiconductor device, measurement device, and correction method | Kazuya Yamada, Akihiro Takei, Yuichi Yoshida, Kengo Takemasa | 2015-11-24 |
| 8921987 | Semiconductor device and measurement device having an oscillator | Kazuya Yamada, Akihiro Takei, Yuichi Yoshida, Kengo Takemasa | 2014-12-30 |
| 7362161 | Power supply switching circuit, data processing device, and method of controlling data processing device | — | 2008-04-22 |
| 6233201 | Voltage monitoring circuit and memory card incorporating the same | — | 2001-05-15 |