Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6734151 | Process for producing a high-purity oxygenic compound and lubricating oil | Minoyuki Kubota, Kazuhiko Suzuki, Hirotaka Yamazaki, Tokuyuki Yoshimoto, Akihisa Ogawa | 2004-05-11 |
| 6087539 | Process for producing an ether compound | Hirotaka Yamasaki, Akihisa Ogawa, Yoshikazu Hirao, Keiji Fujita, Tokuyuki Yoshimoto | 2000-07-11 |
| 4783403 | Process for producing l-phenylalanine | Kazumi Araki, Toshitsugu Ozeki, Yukiyoshi Ito, Shuichi Ishino, Hideharu Anazawa | 1988-11-08 |
| 4250328 | Method for separation of an ester from a reaction mixture | Kiyoshi Fujita, Yukiyoshi Ito | 1981-02-10 |