Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6438692 | Copy protection apparatus and information recording medium used in this copy protection apparatus | Takehisa Kato, Kenjiro Endoh, Hisashi Yamada, Naoki Endoh | 2002-08-20 |
| 6344530 | Process for producing &agr;-olefin polymers | Toshihiko Sugano, Naoshi Iwama, Satoshi Hayakawa, Hisashi Shoda, Masami Kashimoto +1 more | 2002-02-05 |
| 6340652 | Catalysts for polymerization of &agr;-olefins, process for producing &agr;-olefin polymers, novel transition metal compounds and catalyst components for polymerization of &agr;-olefin | Toshihiko Sugano, Naoshi Iwama, Eiji Isobe, Toru Suzuki, Yasuo Maruyama +7 more | 2002-01-22 |