Susumu Yamamoto
14Patents
5h-index
47Co-inventors
66Inventor score
Filing activity: Jul 29, 1980 → Jan 30, 2003
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5220028A | Halogeno-4-methylpyrazoles | Chemistry; Metallurgy | 74 | Expired |
| US4881965A | Wheat growing process utilizing selective herebicide | Human Necessities | 30 | Expired |
| US4447256A | N-(Unsubstituted or substituted pyridyl)aminomethylene-diphosphonic acids, herbicidal compositions containing same, their use for herbicides, and process for preparing same | Chemistry; Metallurgy | 12 | Expired |
| US4668277A | Pyrazolesulfonylurea useful for controlling the growth of undesired vegetation | Chemistry; Metallurgy | 10 | Expired |
| US6512148B1 | Process for the production of bisphenol A | Chemistry; Metallurgy | 5 | Expired |
| US7378428B2 | Nitrogen-containing bicyclic compounds and drugs containing the same as the active ingredient | Human Necessities | 5 | Expired |
| US4619685A | Process for controlling the growth of suckers on a tobacco plant | Human Necessities | 3 | Expired |
| US4844728A | Pyrazolesulfonamide derivative, and herbicide containing it | Human Necessities | 2 | Expired |
| US5300699A | Process for preparing bisphenol A of good heat stability | Chemistry; Metallurgy | 2 | Expired |
| US4830660A | Imidazolesulfonamide derivatives and herbicides | Chemistry; Metallurgy | 1 | Expired |
| US5371302A | Process for preparing prilled bisphenol A | Chemistry; Metallurgy | 1 | Expired |
| US4689417A | Pyrazolesulfonylurea amides and chlorides | Chemistry; Metallurgy | 0 | Expired |
| US5153329A | Process for producing N-alkylpyrazoles | Chemistry; Metallurgy | 0 | Expired |
| US5391760A | Process for producing n-alkylpyrazoles | Chemistry; Metallurgy | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.