Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5116608 | Permanent waving composition | Issei Yoshioka, Masao Kitano, Yujiro Goto | 1992-05-26 |
| 4390525 | Keratin hydrolyzate useful as hair fixatives | Issei Yoshioka | 1983-06-28 |
| 4279996 | Keratin hydrolyzate useful as hair fixatives | Issei Yoshioka | 1981-07-21 |