Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5169820 | Catalyst for producing phthalic anhydride | Kenji Ueda, Tatsuya Kawabata, Masaaki Okuno, Shinya Tanaka | 1992-12-08 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5169820 | Catalyst for producing phthalic anhydride | Kenji Ueda, Tatsuya Kawabata, Masaaki Okuno, Shinya Tanaka | 1992-12-08 |