Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6875288 | Cleaning agent and cleaning method | Hideto Gotoh, Takayuki Niuya, Hiroyuki Mori, Hiroshi Matsunaga, Yoshiya Kimura +4 more | 2005-04-05 |
| 6843981 | Tooth bleaching compositions and methods of bleaching discolored tooth | Takuro Ishibashi, Emi Higashiizumi, Ryuji Sotoaka, Minoru Kakuda, Masumi Ogasawara +1 more | 2005-01-18 |
| 6514352 | Cleaning method using an oxidizing agent, chelating agent and fluorine compound | Hideto Gotoh, Takayuki Niuya, Hiroyuki Mori, Hiroshi Matsunaga, Yoshiya Kimura +4 more | 2003-02-04 |
| 5972862 | Cleaning liquid for semiconductor devices | Yoshimi Torii, Shunji Sasabe, Masayuki Kojima, Kazuhisa Usuami, Takafumi Tokunaga +8 more | 1999-10-26 |