Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5750768 | Method of manufacturing .alpha.-oxocarboxylate and catalyst adopted in the method | Yoshitaka Arita, Akihiko Ohta, Noboru Saito | 1998-05-12 |
| 5523473 | Method of producing naphthalenedicarboxylic acids and diaryldicarboxylic acids | Noboru Saitou, Koichi Hirota, Norimasa Okuda, Ikuyo Katsumi | 1996-06-04 |
| 5382735 | Method of preparing alkylnaphthalene compounds | Norimasa Okuda, Noboru Saito | 1995-01-17 |
| 5144066 | Method of producing naphthalenedicarboxylic acids and diaryldicarboxylic acids | Noboru Saitou, Koichi Hirota, Norimasa Okuda, Ikuyo Katsumi | 1992-09-01 |