Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5119235 | Focusing screen and method of manufacturing same | Toshiro Umeda, Hiroyuki Sugimura, Shinichi Tsukada, Akira Adachi, Asaji Masuko | 1992-06-02 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5119235 | Focusing screen and method of manufacturing same | Toshiro Umeda, Hiroyuki Sugimura, Shinichi Tsukada, Akira Adachi, Asaji Masuko | 1992-06-02 |