Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5356113 | Isolation valve for single crystal pulling apparatus | Kouzou Yokota, Katsuhiko Ogino | 1994-10-18 |
| 5330729 | Single crystal pulling apparatus | Michiaki Oda | 1994-07-19 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5356113 | Isolation valve for single crystal pulling apparatus | Kouzou Yokota, Katsuhiko Ogino | 1994-10-18 |
| 5330729 | Single crystal pulling apparatus | Michiaki Oda | 1994-07-19 |