Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8557020 | Compound, metal extractant, and application of the same | Chun Li, Yoshihiko Kondo | 2013-10-15 |
| 8500846 | Rare metal extractant | Yoshihiko Kondo, Chun Li, Manabu Yamada | 2013-08-06 |
| 8038969 | Rare metal/platinum-group metal extractant and method for extracting rare metals and platinum-group metals | Yoshihiko Kondo, Atsushi Shibayama, Manabu Yamada, Mitsuhiro AKAMA, Takanori Imai | 2011-10-18 |
| 6355671 | SULFONATED DERIVATIVES OF CYCLIC PHENOL SULFIDES, PROCESS FOR THE PREPARATION THEREOF, SEPARATING AND RECOVERING AGENTS CONTAINING CYCLIC PHENOL SULFIDES, METHODS FOR SEPARATION AND RECOVERY THEREWITH, AND DRUG COMPOSITIONS CONTAINING THE SULFIDES | Sotaro Miyano, Nobuhiko Iki, Toyohisa Fujimoto, Shingo Kato, Yoshiyuki Hiraishi +5 more | 2002-03-12 |
| 5156944 | Light-sensitive silver halide color photographic material having cross-emulsion sensitive DIR compounds | Hiroshi Inoie, Minoru Ishikawa, Hiroshi Shimazaki, Katutoyo Suzuki, Toshihiko Yagi | 1992-10-20 |
| 5146940 | Umbrella cover comprising extensible cylindrical roll | — | 1992-09-15 |
| 4833069 | Silver halide color photographic light-sensitive material comprising a specified cyan coupler combination and total film thickness | Yoshitaka Yamada, Kiyotoshi Yamashita | 1989-05-23 |
| 4818667 | Silver halide color photographic material | Hiroshi Shimazaki | 1989-04-04 |
| 4666825 | Method for the processing of silver halide photographic light-sensitive materials | Satoru Shimba, Masao Iwamuro, Kenji Ito, Katutoyo Suzuki | 1987-05-19 |
| 4518683 | Silver halide color photographic light-sensitive material | Kazuo Kato, Kenji Ito | 1985-05-21 |
| 4438194 | Silver halide color photographic photosensitive material | — | 1984-03-20 |
| 4414308 | Silver halide color photographic photosensitive material | — | 1983-11-08 |