Issued Patents All Time
Showing 26–47 of 47 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5278600 | Photographic film cassette | Koichi Takahashi | 1994-01-11 |
| D342673 | Container for developed photographic film | Tomoyuki Takahashi | 1993-12-28 |
| 5271576 | Photographic film cassette with dust collecting ridges | — | 1993-12-21 |
| 5268713 | Lens-fitted photographic film unit | — | 1993-12-07 |
| D341248 | Container for processed photographic film | Tomoyuki Takahashi | 1993-11-16 |
| 5235365 | Film initial advance apparatus and method for photographic camera | Tetsuya Takatori | 1993-08-10 |
| 5226613 | Photographic film cassette | Kiichiro Kitagawa | 1993-07-13 |
| 5213277 | Self-advancing film cassette having separation claw for jamming prevention | Koichi Takahashi, Kuniharu Kitagawa, Tomoyuki Takahashi | 1993-05-25 |
| 5205506 | Photographic film cassette having light trapping pile fabrics attached to a mouth thereof | Kazunori Mizuno | 1993-04-27 |
| 5188306 | Self-advancing film cassette including an auxiliary rotation transmittance structure | Kazuo Okutsu, Koichi Takahashi, Kazunori Mizuno | 1993-02-23 |
| 5181672 | Photograhic film cassette | — | 1993-01-26 |
| 5169966 | Process for producing an .alpha.-acyloxy-.alpha., .beta.-unsaturated carbonyl compound and a 20-acyloxy-17(20)-methylen-21-al-steroid compound | Kiyoshi Watanabe, Kuniaki Goto | 1992-12-08 |
| 5144350 | Photographic film cartridge | Koichi Takahashi, Kazuo Okutsu, Hisashi Takahashi, Masuhiko Hirose, Haruo Ichikawa +1 more | 1992-09-01 |
| 5115268 | Photographic film cassette | Kuniharu Kitagawa, Tomoyuki Takahashi, Kiichiro Kitagawa | 1992-05-19 |
| 5084584 | Process for producing an .alpha.-acyloxy-.alpha.,.beta.-unsaturated carbonyl compound and a 20-acyloxy-17(20)-methylen-21-al-steroid compound | Kiyoshi Watanabe, Kuniaki Goto | 1992-01-28 |
| 5083155 | Cartridge for developed photographic film | Nakao Oi | 1992-01-21 |
| 5023163 | Monosheet self-processing film unit and method of making the same | Tooru Simizu | 1991-06-11 |
| 4985335 | Self-processing film unit | Hiroki Omote | 1991-01-15 |
| 4985334 | Self-processing film unit | Kenji Sashihara | 1991-01-15 |
| 4823155 | Instant camera with spring-urged pressure plate | Ashita Murai, Akira Haishi | 1989-04-18 |
| 4772905 | Instant film pack | Kazuyuki Yoshimura, Tadayoshi Shibata, Masanobu Kihara | 1988-09-20 |
| 4575570 | Process for producing alpha, beta-unsaturated ketones | Toshiro Yamada, Kuniaki Goto, Jiro Tsuji | 1986-03-11 |