Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4822424 | Hexakisazo dyes-containing aqueous compositions | Hisashi Senshu, Sadahiko Matsubara | 1989-04-18 |
| 4758659 | Hexakisazo dyes | Hisashi Senshu, Sadahiko Matsubara | 1988-07-19 |