Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5464811 | Benzene derivatives substituted with heterocyclic ring and herbicides containing same as active ingredients | Kenji Hirai, Mitsuo Yamashita, Tomoko Tateno, Emiko Ejiri, Kikuko Harasawa +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, Emiko Ejiri, Kikuko Harasawa +2 more | 1995-06-13 |
| 5198013 | Benzoxazinone compounds and herbicidal composition containing the same | Kenji Hirai, Atsuko Fujita, Hiroshi Sato, Hiroaki Hirose, Masahiro Yokota | 1993-03-30 |
| 5100457 | Oxazolidinedione compounds, the process for preparing the same and herbicidal composition containing the same | Kenji Hirai, Atsuko Fujita, Hiroshi Sato, Hiroaki Hirose, Masahiro Yokota | 1992-03-31 |
| 5024692 | Herbicidal composition and herbicidal method | Ryusuke Taguchi, Kenji Hirai, Hiroaki Hirose, Masahiro Yokota | 1991-06-18 |
| 4983751 | Oxazolidinedione derivatives, method of producing the derivatives, and herbicides containing the derivatives | Kenji Hirai, Takamasa Futikami, Atsuko Murata, Hiroaki Hirose, Masahiro Yokota | 1991-01-08 |
| 4902337 | Herbicidal hydantoin derivatives | Kenji Hirai, Takamasa Fuchikami, Atsuko Fujita, Hiroaki Hirose, Masahiro Yokota | 1990-02-20 |
| 4818272 | Oxazolidinedione derivatives, method of producing the derivatives, and herbicides containing the derivatives | Kenji Hirai, Takamasa Futikami, Atsuko Murata, Hiroaki Hirose, Masahiro Yokota | 1989-04-04 |
| 4319919 | Herbicidal composition | Nobuo Takagi, Heitaro Obara | 1982-03-16 |