Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4221862 | Method of producing finely divided polymer particles | Kenji Naito, Nobuo Tsuji | 1980-09-09 |
| 4204070 | Process for preparing polyethylene terephthalate and its low molecular weight oligomers | Fumiyuki Suzuki, Toshimitu Okutu | 1980-05-20 |