Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6451327 | Skin cleansing composition | Kiyoko Nakagaki, Hiroe Tanahashi, Tomoko Umezawa, Hideyuki Hanazawa | 2002-09-17 |
| 5853611 | Polyether polymer, preparation process and use thereof | Hiroshi Kawamukai, Katsuhiko Rindo, Takashi Oda, Hideyuki Hanazawa, Yasushi Kajihara | 1998-12-29 |
| 5712232 | Aqueous liquid cleansing composition | Hisateru Tanabe, Hideyuki Hanazawa, Yasushi Kajihara | 1998-01-27 |