Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6376453 | Detergent particles | Teruo Kubota, Shu Yamaguchi, Hiroyuki Yamashita, Shuji Takana | 2002-04-23 |
| 6335313 | Detergent grains and granular detergent composition | Katsuhiko Kasai, Shu Yamaguchi, Taiji Nakamae, Itsuro Tsukahara | 2002-01-01 |