Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4838939 | Composition particularly adapted to damping sheets for vehicles | Shigeru Kanda, Manabu Shibata, Michikazu Okano | 1989-06-13 |
| 4833127 | Novel CSF and method for obtaining the same | Hitoshi Nomura | 1989-05-23 |