Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5851456 | Method for manufacturing a multi-layer plastic product | Tatsuya Nakagawa, Yasuo Ezaki | 1998-12-22 |
| 5804268 | Plastic hollow member | — | 1998-09-08 |
| 5693284 | Plastic hollow member and the method thereof | — | 1997-12-02 |
| 5243933 | Plastic intake pipe and the method thereof | — | 1993-09-14 |