Issued Patents 1989
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4885228 | Optical information recording medium | Yoshio Inagaki, Yoshiaki Suzuki | 1989-12-05 |
| 4879204 | Silver halide photographic element containing anhydazine compound and specific dyes | Kunio Ishigaki, Toshiro Takahashi, Yuji Mihara, Shigeru Ohno, Masahiro Okada +1 more | 1989-11-07 |
| 4865957 | Color photographic light-sensitive material comprising a combination of cyan couplers and UV absorbers | Minoru Sakai | 1989-09-12 |
| 4851322 | Optical recording medium | Yoshio Inagaki, Takanori Hioki, Naonori Makino, Yoshiaki Suzuki | 1989-07-25 |
| 4839265 | Silver halide photosensitive material containing an infrared absorption dye | Shigeru Ohno, Yuji Mihara | 1989-06-13 |
| 4833246 | Novel pyrazolone dye | Shigeru Ohno, Yoshio Inagaki, Nobuo Seto, Yoshihiro Jinbo | 1989-05-23 |
| 4830950 | Silver halide photographic material | Kenichi Kuwabara, Toshiro Takahashi, Masahiro Okada | 1989-05-16 |