Hiromichi Ishikawa
12Patents
5h-index
32Co-inventors
62Inventor score
Filing activity: Jan 22, 1981 → Aug 11, 1998
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4420486A | Benzoxazolone derivatives, processes for preparation thereof and compositions containing them | Human Necessities | 10 | Expired |
| US4547524A | Insecticidal benzoyl hydrazone derivatives | Human Necessities | 10 | Expired |
| US5985924A | Metastasis suppressory agents | Human Necessities | 9 | Expired |
| US5532257A | Benzothiazole compound, production thereof and use thereof | Chemistry; Metallurgy | 8 | Expired |
| US5116838A | Guanidine derivatives and fungicides for agriculture and horticulture containing the same | Chemistry; Metallurgy | 6 | Expired |
| US4443439A | Pesticidal phenylthionophosphonic acid esters | Chemistry; Metallurgy | 3 | Expired |
| US5688818A | Succinamic acid compound, production method thereof and use thereof | Human Necessities | 2 | Expired |
| US5948752A | Suppressory agents against hypercoagulation | Chemistry; Metallurgy | 2 | Expired |
| US5635505A | 1,4-benzoxazine-2-acetic acid compound, method for production thereof and use thereof | Chemistry; Metallurgy | 1 | Expired |
| US5543420A | Quinoline-3-acetic acid derivative, process for production thereof and use thereof | Human Necessities | 1 | Expired |
| US5677300A | Pyridothiazineacetic acid compound, production thereof and use thereof | Chemistry; Metallurgy | 0 | Expired |
| US4421750A | Organophosphoric acid ester anhydrides as pesticides | Chemistry; Metallurgy | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.