Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8580221 | Chromium (III) carbonate and process for producing the same | Hiroyuki Kuwano, Yasuyuki Tanaka | 2013-11-12 |
| 8083842 | Aqueous solution of chromium salt and method for producing same | Hideki Kotaki, Takashi Hara, Nobuo Takagi | 2011-12-27 |
| 7641721 | Aqueous solution of chromium salt and method for producing same | Hideki Kotaki, Takashi Hara, Nobuo Takagi | 2010-01-05 |
| 5695730 | Process for preparing silicic acid hydrate | Kuniaki Maejima, Shigeki Yamagata, Masaru Kishida, Keiji Monbetsu, Tsutomu Naito | 1997-12-09 |