Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5597999 | Auto focus detecting device comprising both phase-difference detecting and contrast detecting methods | Akio Kinba, Masataka Hamada, Hiroshi Ueda, Hiroshi Ootsuka | 1997-01-28 |