Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6632949 | Halogenating agents | Hiroshi Sonoda, Akira Takahashi, Kouki Fukumura, Hidetoshi Hayashi, Teruyuki Nagata +1 more | 2003-10-14 |
| 6458990 | Nitrogen-based halogenating agents and process for preparing halogen-containing compounds | Hiroshi Sonoda, Akira Takahashi, Kouki Fukumura, Hidetoshi Hayashi, Teruyuki Nagata +1 more | 2002-10-01 |
| 6329529 | Nitrogen-based halogenating agents and process for preparing halogen-containing compounds | Hiroshi Sonoda, Akira Takahashi, Kouki Fukumura, Hidetoshi Hayashi, Teruyuki Nagata +1 more | 2001-12-11 |
| 6127583 | Process for preparing acetylene derivative from a ketone compound | Hiroshi Sonoda, Kenichi Goto, Kouki Fukumura, Junko Naruse, Hidetoshi Hayashi +2 more | 2000-10-03 |