Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12157953 | Inhibiting dripped granular dopant from adhering to a growing silicon single crystal before the dopant melts | Norihito Fukatsu | 2024-12-03 |
| 12099026 | Thermal conductivity estimation method, thermal conductivity estimation apparatus, production method for semiconductor crystal product, thermal conductivity calculator, thermal conductivity calculation program, and, thermal conductivity calculation method | Toshiyuki Fujiwara, Yusuke HIGUCHI, Toru Ujihara | 2024-09-24 |
| 11885038 | Method of estimating convection pattern of silicon melt, method of estimating oxygen concentration of silicon single crystal, method of manufacturing silicon single crystal, and raising device of silicon single crystal | Wataru Sugimura, Toshiyuki Fujiwara, Toshiaki Ono | 2024-01-30 |
| 11781242 | Method for controlling convection pattern of silicon melt, method for producing silicon single crystals, and device for pulling silicon single crystals | Hideki Sakamoto, Wataru Sugimura, Naoki Matsushima | 2023-10-10 |
| 11473211 | Method of estimating oxygen concentration of silicon single crystal and method of manufacturing silicon single crystal | Shin Matsukuma, Kazuyoshi Takahashi, Toshinori Seki, Tegi Kim | 2022-10-18 |
| 11441238 | Silicon monocrystal manufacturing method and silicon monocrystal pulling device | Hideki Sakamoto, Wataru Sugimura | 2022-09-13 |
| 11261540 | Method of controlling convection patterns of silicon melt and method of manufacturing silicon single crystal | Naoki Matsushima, Hideki Sakamoto, Wataru Sugimura | 2022-03-01 |
| 11186921 | Method for controlling convection pattern of silicon melt and method for producing monocrystalline silicon | Wataru Sugimura | 2021-11-30 |
| 10858753 | Method and apparatus for manufacturing silicon single crystal | Wataru Sugimura, Mitsuaki Hayashi | 2020-12-08 |