Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5061460 | Method for manufacturing titanium oxide | Morio Watanabe | 1991-10-29 |
| 4992248 | Method for neutralizing sulfuric acid containing zinc ion | Morio Watanabe | 1991-02-12 |
| 4952378 | Method for neutralization treatment of sulfuric acid containing iron ions | Morio Watanabe | 1990-08-28 |