Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7619803 | Electrochromic display element and full-color electrochromic display element | Noriyuki Kokeguchi, Osamu Ishige | 2009-11-17 |
| 7455961 | Copolymer and photothermographic material containing the same | Osamu Ishige, Kiyoshi Fukusaka | 2008-11-25 |
| 7235351 | Squalirium compound, thermally developable photographic material containing said compound, and image forming method thereof | Kiyoshi Fukusaka, Osamu Ishige | 2007-06-26 |
| 7138224 | Squarylium compound and photothermographic material containing the same | Kiyoshi Fukusaka, Osamu Ishige | 2006-11-21 |
| 6927020 | Silver halide color photographic material | Satoru Ikesu, Takatugu Suzuki | 2005-08-09 |