Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8083842 | Aqueous solution of chromium salt and method for producing same | Tomohiro Banda, Takashi Hara, Nobuo Takagi | 2011-12-27 |
| 7641721 | Aqueous solution of chromium salt and method for producing same | Tomohiro Banda, Takashi Hara, Nobuo Takagi | 2010-01-05 |
| 5435846 | Cement-additive for inhibiting concrete-deterioration | Hidenobu Tatematsu, Tohru Nakamura, Hitoshi Koshimizu, Toshihiko Morishita | 1995-07-25 |