Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4814018 | Filler for noise insulating material and noise insulating material using same | Nobuhiro Fujio, Takeshi Yamasaki, Toshio Nishizaki, Isao Negisi | 1989-03-21 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4814018 | Filler for noise insulating material and noise insulating material using same | Nobuhiro Fujio, Takeshi Yamasaki, Toshio Nishizaki, Isao Negisi | 1989-03-21 |