Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4557859 | Vulcanized olefin-based rubber composition | Masahiko Maeda, Naotochi Watanabe | 1985-12-10 |
| 4367306 | Polyolefin composition | Masahiko Maeda, Naotochi Watanabe | 1983-01-04 |