Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5644412 | Hologram and method of reading the same | Ryuji Horiguchi | 1997-07-01 |
| 5606384 | Lens barrel having an image blur prevention system arranged with respect to other lens barrel devices to efficiently utilize lens barrel space | Akira Katayama, Hiroshi Okano | 1997-02-25 |