Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4876052 | Method of extruding and compression molding a multilayered article | Kiyoshi Kawaguchi | 1989-10-24 |
| 4851115 | Separator with movable receptacles | Takeshi Akao, Morihiko Sakai, Katsumichi Ohsaki | 1989-07-25 |