Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5645419 | Heat treatment method and device | Tetsu Ohsawa, Hiroyuki Iwai, Hisashi Kikuchi, Keiji Takano, Tsutomu Haraoka +1 more | 1997-07-08 |
| D378823 | Wafer boat | Hirofumi Kitayama | 1997-04-15 |