Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5039214 | Reflection type optical apparatus | Shin Nagata, Yoshinori Sezaki | 1991-08-13 |
| 4797939 | Pattern masking method and an apparatus therefor | Tetsuo Hoki, Tetsuo Sano, Ryuji Kitakado, Yoshinori Sezaki, Hironobu Yano | 1989-01-10 |
| 4679930 | One-way reducing and enlarging printer | Fumihiko Nishida, Yasumasa Shimizu, Tomohiro Yoshida, Makoto Urata, Masaji Mizuta +1 more | 1987-07-14 |
| 4600287 | Method and device for automatically developing photosensitive material | Masami Ohtani, Yoshihiro Masuda, Norimasa Nomura, Yozi Dohi | 1986-07-15 |
| 4575251 | Measurement device of photographic density of film | Mitsuo Inoue | 1986-03-11 |