Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5284521 | Vacuum film forming apparatus | Ken-ichi Aketagawa, Junro Sakai, Hiroyoshi Murota, Toru Tatsumi | 1994-02-08 |
| 5234862 | Thin film deposition method | Ken-ichi Aketagawa, Junro Sakai, Toru Tatsumi, Hiroyoshi Murota | 1993-08-10 |