Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4569880 | Reinforcing adhesive sheet | Yukio Nishiyama, Kazuhiko Yamamoto, Munehiko Sanada, Yukio Okada | 1986-02-11 |
| 4369608 | Panel for automobile | Hiroto Kikuchi, Yukio Okada, Tsutomu Yoshioka | 1983-01-25 |