Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6864389 | Method for producing α-hydroxycarboxylic acid | Hisashi Semba, Yukio Dobashi | 2005-03-08 |
| 6193942 | Catalyst for decomposition of nitrogen oxides and method for purifying diesel engine exhaust gas by the use of the catalyst | Makoto Horiuchi | 2001-02-27 |
| 6034264 | Method for production of nuclear halogenated aromatic compound possessing cyano groups | Osamu Kaieda, Koichi Hirota, Teruhisa Kajiwara, Hisakazu Shindo, Yoshiro Hanayama +4 more | 2000-03-07 |
| 5789582 | Method for production of nuclear halogenated aromatic compound possesing cyano groups | Osamu Kaieda, Koichi Hirota, Teruhisa Kajiwara, Hisakazu Shindo, Yoshiro Hanayama +4 more | 1998-08-04 |
| 5523473 | Method of producing naphthalenedicarboxylic acids and diaryldicarboxylic acids | Noboru Saitou, Koichi Hirota, Ren Hasebe, Ikuyo Katsumi | 1996-06-04 |
| 5382735 | Method of preparing alkylnaphthalene compounds | Ren Hasebe, Noboru Saito | 1995-01-17 |
| 5144066 | Method of producing naphthalenedicarboxylic acids and diaryldicarboxylic acids | Noboru Saitou, Koichi Hirota, Ren Hasebe, Ikuyo Katsumi | 1992-09-01 |