Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6841681 | Process for producing quinoline carboxyaldehyde derivative and intermediate thereof | Katsumasa Harada, Shigeyoshi Nishino, Kenji Hirotsu, Hidetaka Shima, Takashi Harada +2 more | 2005-01-11 |
| 6541636 | Process for preparing quinolylacrylonitrile and intermediates therefor | Katsumasa Harada, Shigeyoshi Nishino, Hidetaka Shima, Takashi Harada | 2003-04-01 |