Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4364919 | Process for producing coarse grains of aluminum hydroxide | Koichi Yamada, Takuo Harato, Yasumi Shiozaki | 1982-12-21 |
| 4311486 | Process for producing coarse grains of aluminum hydroxide | Koichi Yamada, Takuo Harato, Yasumi Shiozaki | 1982-01-19 |