Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6319642 | Electron beam exposure apparatus | Shigehiro Hara, Eiji Murakami, Hitoshi Higurashi, Toshio Yamaguchi, Kazuto Matsuki +2 more | 2001-11-20 |
| 5031105 | Method and system for working blade material for mold | Takamasa Wakasugi | 1991-07-09 |