Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5600492 | Surface-curved optical element adapted for emergence and incidence of parallel light rays | Hirokazu Tanaka | 1997-02-04 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5600492 | Surface-curved optical element adapted for emergence and incidence of parallel light rays | Hirokazu Tanaka | 1997-02-04 |