Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4849151 | Method of molding plastic and injection compression molding apparatus using elongatable tie bars | Masaaki Sunohara, Akio Ito, Yoshio Nakatani | 1989-07-18 |
| 4823758 | Mechanical supercharger | Masaki Chujo, Kazuharu Jinnouchi | 1989-04-25 |