Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4407863 | Process for producing granule coated with tannic acid metal chelate compound | Hachiro Hirai, Ken Takamaru | 1983-10-04 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4407863 | Process for producing granule coated with tannic acid metal chelate compound | Hachiro Hirai, Ken Takamaru | 1983-10-04 |