Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6472540 | Process for producing &egr;-caprolactone | Kazuo Tanaka, Hiroshi Ogawa | 2002-10-29 |
| 6458994 | Process for producing aromatic polycarboxylic acid | Etsuo Urabe, Masashi Yabuno, Hiroshi Ogawa, Kazuo Tanaka | 2002-10-01 |