Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5627287 | Phthalide compound and a near infrared absorber and a recording material each comprising the same compound | Hiroyuki Sasaki, Jun Taniguchi, Toshihiro Masaoka, Bunji Sawano, Sayuri Wada +1 more | 1997-05-06 |