Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4238346 | Detergent builders and process for preparation thereof | Yujiro Sugahara, Koichi Usui, Masahide Ogawa, Shigehisa Imafuku | 1980-12-09 |
| 4219535 | Alkali metal aluminosilicate detergent builder | Yujiro Sugahara, Koichi Usui, Masahide Ogawa, Shigehisa Imafuku | 1980-08-26 |