Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7238461 | Optical information-recording medium, novel oxonol compound and method of recording information | Masaharu Akiba, Yoshio Inagaki, Hisashi Mikoshiba, Michihiro Shibata | 2007-07-03 |
| 6646132 | Information recording medium and novel oxonol compound | Michihiro Shibata, Yoshihisa Usami | 2003-11-11 |
| 6444393 | Anionic infrared-ray absorbing agent, photosensitive composition and planographic printing plate precursor using same | Tatsuo Nakamura, Kazuto Kunita | 2002-09-03 |
| 6225024 | Information recording medium | Michihiro Shibata, Yoshihisa Usami | 2001-05-01 |
| 5342741 | Method of processing silver halide photographic material and composition for processing | Kiyoshi Morimoto, Hiroshi Hayakawa | 1994-08-30 |