Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4536569 | 2-Cyano-4-nitro-6-chlorophenylazo 3-acetyl-or propionylamino-N,N-di-n-pentyl or hexylanilines | Kiyoyasu Hashimoto, Yoshio Mori, Junzaburo Seino, Hirohito Kenmochi, Katsunobu Sato | 1985-08-20 |
| 4488992 | Monoazo dyestuffs derived from benzothiazole | Kiyoyasu Hashimoto, Tetsuo Okaniwa, Hirohito Kenmochi | 1984-12-18 |