Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4855119 | Method of manufacturing silicon carbide whisker | Hajime Minamikata, Masahiro Kanda, Hitoshi Ushijima | 1989-08-08 |
| 4837282 | Polyolefin rubber composition | Kiyoshi Yagi, Masahiro Kanda, Izumi Nomura | 1989-06-06 |