Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6380399 | Process for producing phthalic anhydride | Tsukasa Takahashi | 2002-04-30 |
| 6344568 | Catalyst for gas phase partial oxidation | Hiromi Yunoki, Yasushi Kiyooka, Daisuke Nakamura, Michio Tanimoto, Tsukasa Takahashi | 2002-02-05 |