Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6451757 | Chelating agent and detergent comprising the same | Hiroshi Yamamoto, Yasuyuki Takayanagi, Teturo Nakahama | 2002-09-17 |
| 6426229 | Chelating agent and detergent comprising the same | Hiroshi Yamamoto, Yasuyuki Takayanagi, Teturo Nakahama | 2002-07-30 |
| 6221834 | Chelating agent and detergent comprising the same | Hiroshi Yamamoto, Yasuyuki Takayanagi, Teturo Nakahama | 2001-04-24 |
| 6093687 | Detergent composition | Hiroshi Saito, Chie Takahashi, Masahiro Nishizawa, Hiroshi Yamamoto | 2000-07-25 |
| 5851970 | Detergent composition | Hiroshi Saito, Chie Takahashi, Masahiro Nishizawa, Hiroshi Yamamoto | 1998-12-22 |
| 5543566 | Process for preparing amino-polycarboxylic acids or salts thereof | Teturo Nakahama | 1996-08-06 |
| 5229395 | Potential anticancer agents derived from acridine | Kyoichi A. Watanabe | 1993-07-20 |