Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4806000 | Zoom lens capable of macro photography | Yoshiharu Shiokama, Naoto Ohta, Hiroshi Okano | 1989-02-21 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4806000 | Zoom lens capable of macro photography | Yoshiharu Shiokama, Naoto Ohta, Hiroshi Okano | 1989-02-21 |