Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6403731 | Process for preparing polymer solution | Yukio Saitou, Shigeoki Kawaguchi, Kouhei Sawa, Tadahiko Kondou | 2002-06-11 |
| 6375932 | Hair cosmetic composition containing amine-oxide polymer | Tomoaki Hiwatashi, Yasuo Kitani, Kanji Narazaki, Kayo Itou | 2002-04-23 |