Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5342974 | Halogenated anthraquinone and their use as near infrared rays absorbing optical filters | Tsukasa Ohyama, Shizuo Kuroda, Keisuke Takuma | 1994-08-30 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5342974 | Halogenated anthraquinone and their use as near infrared rays absorbing optical filters | Tsukasa Ohyama, Shizuo Kuroda, Keisuke Takuma | 1994-08-30 |