Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7094744 | Method for producing sheetlike detergent | Hideo Kobayashi, Masaki Sakamoto, Masahide Okumura, Hironobu Kawajiri, Keiichi Onoda +1 more | 2006-08-22 |
| 6699826 | Sheet-form laundering article | Hiroyuki Saijo, Hiromitsu Hayashi, Hirohiko Hanada, Kazutoshi Ide | 2004-03-02 |
| RE38411 | Washing method and clothes detergent composition | Shu Yamaguchi, Noriaki Ushio, Akiko Ishikura, Masaki Tsumadori, Hiroyuki Yamashita | 2004-02-03 |
| 6521585 | Method for producing crystalline alkali metal silicate granules and granular high density detergent | Hiroyuki Yamashita, Shu Yamaguchi, Teruo Kubota, Shigeru Tamura, Masaki Tsumadori | 2003-02-18 |
| 6335313 | Detergent grains and granular detergent composition | Shu Yamaguchi, Hitoshi Takaya, Taiji Nakamae, Itsuro Tsukahara | 2002-01-01 |
| 5980580 | Washing method and detergent compositions | Shu Yamaguchi, Yoko Yamaguchi, Shigeru Tamura, Masaki Tsumadori, Hiroyuki Yamashita | 1999-11-09 |
| 5961662 | Washing method and clothes detergent composition | Shu Yamaguchi, Noriaki Ushio, Akiko Ishikura, Masaki Tsumadori, Hiroyuki Yamashita | 1999-10-05 |