Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4451422 | Method for producing polyethylene terephthalate packing material | Ryosuki Yui, Masaaki Hashi, Junji Niikura | 1984-05-29 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4451422 | Method for producing polyethylene terephthalate packing material | Ryosuki Yui, Masaaki Hashi, Junji Niikura | 1984-05-29 |