Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5700320 | Growth of silicon single crystal having uniform impurity distribution along lengthwise or radial direction | Koji Izunome, Souroku Kawanishi, Shinji Togawa, Hitoshi Sasaki, Shigeyuki Kimura | 1997-12-23 |
| 5683504 | Growth of silicon single crystal | Koji Izunome, Souroku Kawanishi, Shinji Togawa, Hitoshi Sasaki, Shigeyuki Kimura | 1997-11-04 |