Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6602846 | Method for producing single nucleus detergent particles | Hitoshi Takaya, Motomitsu Hasumi, Hiroyuki Yamashita | 2003-08-05 |
| 6534474 | Surfactant composition | Kyoko Okada, Hitoshi Takaya, Shu Yamaguchi, Hiroyuki Yamashita | 2003-03-18 |
| 6521585 | Method for producing crystalline alkali metal silicate granules and granular high density detergent | Hiroyuki Yamashita, Shu Yamaguchi, Katsuhiko Kasai, Shigeru Tamura, Masaki Tsumadori | 2003-02-18 |