Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4583568 | Valve assembly for powdery granules | Takashi Yamakawa, Morio Akiyama | 1986-04-22 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4583568 | Valve assembly for powdery granules | Takashi Yamakawa, Morio Akiyama | 1986-04-22 |