Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4914140 | Acrylic copolymer and skin protective | Izumi Saitoh, Shigeru Kido, Yoshio Sasaki | 1990-04-03 |
| 4874830 | Acrylic copolymer and skin protective | Izumi Saitoh, Shigeru Kido, Yoshio Sasaki | 1989-10-17 |