Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4460403 | 2,3-Dicyano 6 phenyl pyrazine herbicides | Tetsuo Takematsu, Hirozo Segawa, Takamaro Miura, Toshiei Ataka, Michio Chatani | 1984-07-17 |
| 4259489 | 2,3-Dicyanopyrazines | Tetsuo Takematsu, Hirozo Segawa, Takamaro Miura, Toshiei Ataka, Michio Chatani | 1981-03-31 |