Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12227872 | Single-crystal pulling apparatus and single-crystal pulling method | Kiyotaka Takano, Kosei Sugawara, Hiroyuki Kamada, Tomohiko Ohta | 2025-02-18 |
| 10611572 | Recharge tube stocker | — | 2020-04-07 |
| 9890044 | Method for recovering and purifying argon gas from silicon single crystal manufacturing apparatus and apparatus for recovering and purifying argon gas | Hideaki Matsushima, Ichiro Onozawa | 2018-02-13 |