Issued Patents 2003
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6632280 | Apparatus for growing single crystal, method for producing single crystal utilizing the apparatus and single crystal | Ryoji Hoshi, Koji Kitagawa, Izumi Fusegawa | 2003-10-14 |
| 6632411 | Silicon wafer and method for producing silicon single crystal | Ryoji Hoshi, Izumi Fusegawa, Shigemaru Maeda | 2003-10-14 |
| 6605152 | Catch pan for melt leakage in apparatus for pulling single crystal | Koji Mizuishi | 2003-08-12 |
| 6592662 | Method for preparing silicon single crystal and silicon single crystal | Izumi Fusegawa, Ryoji Hoshi, Kouichi Inokoshi | 2003-07-15 |
| 6565822 | Epitaxial silicon wafer, method for producing the same and subtrate for epitaxial silicon wafer | Ryoji Hoshi, Susumu Sonokawa, Masahiro Sakurada, Izumi Fusegawa | 2003-05-20 |