Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6860779 | Method for manufacturing airtight vessel and image-forming apparatus using airtight vessel | Hidehiko Fujimura, Masaaki Ogura | 2005-03-01 |
| 4756737 | Apparatus for producing optical element | Fumitaka Yoshimura, Masaaki Yokota, Kiyoshi Yamamoto, Isamu Shigyo | 1988-07-12 |