Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5655871 | Device for transferring plate-like objects | Katsumi Ishii | 1997-08-12 |
| 5645419 | Heat treatment method and device | Tetsu Ohsawa, Hiroyuki Iwai, Shingo Watanabe, Keiji Takano, Tsutomu Haraoka +1 more | 1997-07-08 |