Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7122698 | Method for producing α-hydroxycarboxylate | Hiroshi Yoshida, Hideaki Tsuneki, Toshio Hayashi, Hideyuki Baba, Takahiro Inagaki +3 more | 2006-10-17 |
| 6514908 | Method for exchange of catalysts | Yoshihisa Oka, Kenji Muraoka | 2003-02-04 |
| 6417411 | Method for production of ethylene glycol | Yoshihisa Oka | 2002-07-09 |
| 5292904 | Method for production of ethylene oxide | Masayuki Sawada | 1994-03-08 |
| 4875909 | Method for recovery of ethylene oxide | Masayuki Sawada, Yoshiaki Kajimoto, Isamu Kiguchi | 1989-10-24 |
| 4778567 | Method for purification of ethylene oxide and recovery of heat thereof | Masayuki Sawada, Yoshiaki Kajimoto, Isamu Kiguchi | 1988-10-18 |