Issued Patents 2023
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11814745 | Method for producing silicon single crystal | Yasufumi KAWAKAMI | 2023-11-14 |
| 11702760 | N-type silicon single crystal production method, n-type silicon single crystal ingot, silicon wafer, and epitaxial silicon wafer | Yasuhito Narushima, Yasufumi KAWAKAMI, Fukuo Ogawa, Ayumi Kihara | 2023-07-18 |
| 11639560 | Deposit removing device and deposit removing method | Fukuo Ogawa, Takuya Yotsui | 2023-05-02 |