Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4357462 | Process for producing lactone high polymers | Masayoshi Kubo | 1982-11-02 |
| 4332481 | Continuous mixing machine | Katsumi Ogawa, Tsugushi Fukui, Toshihiro Asai, Shinji Hashizume | 1982-06-01 |