Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4830693 | Method for forming a tire around a bead | Yukitaka Okafuji, Kunio Tajima, Masaharu Sumiuchi, Masami Adachi | 1989-05-16 |
| 4798758 | Foam glass having crust layer and method of producing same | Makoto Nagano, Akira Nakanishi, Tomoyoshi Hiraki, Akira Ueno, Shuhei Kobayashi +2 more | 1989-01-17 |