Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4286857 | Exposure correction warning display device | — | 1981-09-01 |
| 4245901 | Interchangeable-lens type TTL automatic exposure camera | Tohru Karikawa | 1981-01-20 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4286857 | Exposure correction warning display device | — | 1981-09-01 |
| 4245901 | Interchangeable-lens type TTL automatic exposure camera | Tohru Karikawa | 1981-01-20 |