Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7828900 | Vacuum film-forming apparatus | Masanobu Hatanaka, Michio Ishikawa, Fumio Nakamura | 2010-11-09 |
| 7763115 | Vacuum film-forming apparatus | Masanobu Hatanaka, Michio Ishikawa, Fumio Nakamura | 2010-07-27 |