Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6476153 | Process for producing hydrogenated &agr;-olefin-dicyclopentadiene copolymer, method for molding the same and optical material | Kiyonari Hashidzume | 2002-11-05 |
| 6388032 | Cyclic olefin polymer containing little catalyst residue | Michio Yamaura, Kiyonari Hashidzume, Hideaki Nitta, Masaki Takeuchi | 2002-05-14 |