Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6861534 | Process for producing 1,3-dialkyl-2-imidazolidinone compound | Katsuhiko Matsuba, Takazou Katou, Satoshi Inoki, Hiroyoshi Watanabe, Masato Yamazaki +1 more | 2005-03-01 |
| 5633408 | Process for preparing alkanolamines | Hiroyoshi Watanabe, Mutsuo Matsumura, Kenji Suzuki | 1997-05-27 |
| 5349077 | Process for producing alkylene carbonates | Masaharu Doya, Yutaka Kanbara, Aksushi Okamoto, Kenichi Kimizuka | 1994-09-20 |