Issued Patents All Time
Showing 226–233 of 233 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4680252 | Silver halide light-sensitive photographic material for radiographic use | Takeo Koitabashi, Masatoshi Iwata, Hisashi Yamaguchi, Syoji Matsuzaka | 1987-07-14 |
| 4659654 | Silver halide photographic light-sensitive emulsion | Iku Metoki, Eiji Yoshida, Kiyoshi Sato, Masumi Hosaka | 1987-04-21 |
| 4639417 | Silver halide X-ray photosensitive material | Chika Honda, Katsutoshi Machida, Masatoshi Iwata | 1987-01-27 |
| 4509354 | Method of manufacturing fan guard | Mitsuo Akiyama, Hideo Uzuhashi, Izumi Ochiai, Hitoshi Yamashita, Youji Sekine +2 more | 1985-04-09 |
| 4502290 | Air conditioner | Mitsuo Akiyama, Susumu Kashiwazaki, Shigeyasu Suzuki, Yasunori Tominaga, Michihisa Arakawa | 1985-03-05 |
| 4497895 | Method for preparing silver halide photographic emulsion | Syoji Matsuzaka, Takeo Koitabashi, Yoshihiro Haga, Hiroaki Shiozawa | 1985-02-05 |
| 4468112 | Developer concentration controlling device | Kazuhiro Hirayama | 1984-08-28 |
| 4401754 | Silver halide photographic emulsion | Hiroaki Shiozawa, Takeo Koitabashi, Hideki Takiguchi | 1983-08-30 |