Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5639915 | Process for the production of aniline derivatives | Kenji Hirai, Tomoyuki Yano, Kiyomi Aizawa | 1997-06-17 |
| 5554581 | Tetrahydrophthalamide derivative, intermediate for producing the same, production of both, and herbicide containing the same as active ingredient | Kenji Hirai, Tomoko Matsukawa, Tomoyuki Yano, Kiyomi Aizawa, Koichi Shikakura +4 more | 1996-09-10 |
| 5506190 | Tetrahydrophthalamide derivative, intermediate for producing the same, production of both, and herbicide containing the same as active ingredient | Kenji Hirai, Tomoko Matsukawa, Tomoyuki Yano, Kiyomi Aizawa, Koichi Shikakura +4 more | 1996-04-09 |
| 5464811 | Benzene derivatives substituted with heterocyclic ring and herbicides containing same as active ingredients | Kenji Hirai, Mitsuo Yamashita, Tomoko Tateno, Kikuko Harasawa, Yuichi Onji +2 more | 1995-11-07 |
| 5424277 | Benzene derivatives substituted with heterocyclic ring, and herbicides containing same as active ingredients | Kenji Hirai, Mitsuo Yamashita, Tomoko Tateno, Kikuko Harasawa, Yuichi Onji +2 more | 1995-06-13 |
| 5391807 | Methods of preparing fluorobenzene derivatives and related compounds | Kenji Hirai, Tomoyuki Yano, Mitsuo Yamashita, Tomoko Tateno, Kiyomi Aizawa | 1995-02-21 |
| 5344953 | Fluorobenzene derivatives | Kenji Hirai, Tomoyuki Yano, Mitsuo Yamashita, Tomoko Tateno, Kiyomi Aizawa | 1994-09-06 |
| 5281742 | Bis(fluorophenyl) carbonate derivatives | Kenji Hirai, Tomoyuki Yano, Mitsuo Yamashita, Tomoko Tateno, Kiyomi Aizawa | 1994-01-25 |
| 4861917 | Process for preparing macrocyclic 2-halogenoketones | Masakatsu Matsumoto, Tamotsu Fujimoto | 1989-08-29 |