Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6486264 | Process for producing hydrogenated ring-opening polymerization polymer of cycloolefin | Yasuo Tsunogae, Masato Sakamoto, Masaharu Tokoro | 2002-11-26 |
| 6445013 | Gate commutated turn-off semiconductor device | — | 2002-09-03 |