Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5367980 | Method of producing defect-free perfect surfaces | Noriaki Itom, Yasuo Nakai, Junichi Kanasaki, Akiko Okano | 1994-11-29 |
| 5361121 | Periphery exposing method and apparatus therefor | Kesayoshi Amano, Masao Nakajima, Masayoshi Naito | 1994-11-01 |