Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7514060 | Porous potassium carbonate having special pore structure and method for its production | Hachiro Hirano, Yasunori Yamaguchi | 2009-04-07 |
| 6043291 | Method for producing foamed synthetic resin | Hiromitsu Takeyasu, Nobuaki Tsukida, Hisashi Sato | 2000-03-28 |