Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4631347 | Dithiolphosphoric acid esters | Haruyasu Yamamoto, Kiyoshi Kasamatsu, Takayuki Okabe | 1986-12-23 |
| 4507284 | Soil disinfectant | Yoshimi Yamada, Tadashi Ooishi, Toshiro Kato | 1985-03-26 |
| 4473561 | Fungicidal composition comprising alpha-substituted ethylphosphinic acids or their salts | Yukio Ishiguri, Yoshimi Yamada, Toshiro Kato, Mitsuru Sasaki | 1984-09-25 |
| 4366150 | Soil disinfectants and method of use | Yoshimi Yamada, Tadashi Ooishi, Toshiro Kato | 1982-12-28 |
| 4326058 | Organo-phosphoric esters and their production and use | Takayuki Okabe, Masachika Hirano | 1982-04-20 |
| 4320126 | Triazinyl-organophosphorus esters | Takayuki Okabe, Masachika Hirano | 1982-03-16 |
| 4308258 | Pyrimidin-4-yl-phosphorus esters and insecticidal, acaricidal or nematocidal compositions and methods using them | Takayuki Okabe, Masachika Hirano | 1981-12-29 |
| 4273769 | O-Ethyl S-alkyl S-isopropyl phosphoro-dithiolate, and their use as nematocide | Rokuo Koyanagi, Yoshio Fujita | 1981-06-16 |