Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4510951 | Method and apparatus for diagnosis of hair for permanent waving | Katsuhiro Watanabe, Toshio Horikoshi | 1985-04-16 |
| 4474193 | Method and apparatus for diagnosis of hair for permanent waving | Katsuhiro Watanabe, Toshio Horikoshi | 1984-10-02 |