Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4348084 | Tele-photographic lens of large aperture ratio | Nozomu Kitagishi | 1982-09-07 |
| 4330188 | Focusing screen | Kikuo Momiyama | 1982-05-18 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4348084 | Tele-photographic lens of large aperture ratio | Nozomu Kitagishi | 1982-09-07 |
| 4330188 | Focusing screen | Kikuo Momiyama | 1982-05-18 |