Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4950528 | Anti-seismic rubber | Masao Iizuka, Atsuhiko Yasaka, Toshikazu Yoshizawa | 1990-08-21 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4950528 | Anti-seismic rubber | Masao Iizuka, Atsuhiko Yasaka, Toshikazu Yoshizawa | 1990-08-21 |