Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6396645 | Zoom lens barrel with focusing path and focal length switching path | Haruki Nakayama, Yuichi Honda | 2002-05-28 |
| 6160670 | Camera | Haruki Nakayama, Yuichi Honda | 2000-12-12 |
| 6028718 | Zoom lens barrel | Haruki Nakayama, Yuichi Honda | 2000-02-22 |
| 5748386 | Zoom lens barrel including a mechanism for moving lens groups | Haruki Nakayama, Yuichi Honda | 1998-05-05 |
| 5668670 | Zoom lens barrel | Haruki Nakayama, Yuichi Honda | 1997-09-16 |