Issued Patents 1997
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5693728 | Process for producing cyclic olefin based polymers | Junichi Matsumoto, Masami Watanabe, Hiroshi Maezawa | 1997-12-02 |
| 5668606 | Contour restoration apparatus | Masanori Hamada, Kenta Sokawa, Kazuya Uyeda, Hideaki Yamauchi | 1997-09-16 |
| 5648443 | Cyclic olefin copolymers, compositions and molded articles comprising the copolymers | Junichi Matsumoto, Masami Watanabe, Hiroshi Maezawa | 1997-07-15 |
| 5629398 | Process for producing cyclic olefin based polymers, cyclic olefin copolymers, compositions and molded articles comprising the copolymers | Junichi Matsumoto, Masami Watanabe, Hiroshi Maezawa | 1997-05-13 |