Issued Patents 2016
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9512504 | Method for producing sodium tungstate, method for collecting tungsten, apparatus for producing sodium tungstate, and method for producing sodium tungstate aqueous solution | Yoshiharu Yamamoto, Kazuo Sasaya, Takayuki Fudo, Syunsuke Yamanaka, Takahisa Iguchi +2 more | 2016-12-06 |
| 9249479 | Method for producing sodium tungstate, method for collecting tungsten, apparatus for producing sodium tungstate, and method for producing sodium tungstate aqueous solution | Yoshiharu Yamamoto, Kazuo Sasaya, Takayuki Fudo, Syunsuke Yamanaka, Takahisa Iguchi +2 more | 2016-02-02 |