Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6367727 | Method and apparatus for producing roll photo film | Masami Sasou | 2002-04-09 |
| 6162594 | Photographic roll film | Jun Inose, Ayako Okubo, Ryuji Uemura | 2000-12-19 |
| 6100017 | Roll photo film having seal tape | Toshiyuki Takeya | 2000-08-08 |
| 6079654 | Method and apparatus for producing roll photo film | Masami Sasou | 2000-06-27 |
| 6050489 | Bar code system for brownie film and bar code reader of camera | Shigenori Goto, Hisashi Hamada, Tokuji Sato | 2000-04-18 |
| 6022678 | Photographic roll film | — | 2000-02-08 |
| 6021973 | Roll photo film and take-up spool combined therewith | Masami Sasou | 2000-02-08 |
| 5934592 | Photographic roll film | — | 1999-08-10 |
| 5845869 | Photographic roll film | — | 1998-12-08 |
| 4637703 | Film pack | Minoru Ono | 1987-01-20 |
| 4546061 | Film unit for instant camera | Minoru Ono, Hisashi Kikuchi | 1985-10-08 |
| 4320187 | Photographic film unit for diffusion transfer with a translucent mask sheet | Katsuya Kozai, Hisashi Kikuchi | 1982-03-16 |
| 4292390 | Integral diffusion transfer photographic film unit | Kazunobu Katoh | 1981-09-29 |