Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4710215 | Process for distillation-crystallization of zinc carbonate | Tatsushi Kasai, Tatsuo Niikura, Masanori Sato, Takao Hashimoto | 1987-12-01 |
| 4689146 | System for dissolution-purification of Zn-containing materials | Tatsushi Kasai, Tatsuo Niikura, Masanori Sato, Takao Hashimoto | 1987-08-25 |