Tomio Yamada
11Patents
6h-index
27Co-inventors
62Inventor score
Filing activity: Jan 30, 1975 → Sep 7, 1993
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5304566A | Pyridine compounds which have useful insecticidal utility | Chemistry; Metallurgy | 25 | Expired |
| US4994478A | Oxadiazole derivative | Chemistry; Metallurgy | 15 | Expired |
| US4431814A | Heterocyclic compounds | Chemistry; Metallurgy | 11 | Expired |
| US4442116A | Heterocyclic compounds | Chemistry; Metallurgy | 11 | Expired |
| US5612358A | Pyridine compouds which have useful insecticidal activity | Chemistry; Metallurgy | 11 | Expired |
| US4882431A | Oxa(thia)zolidine derivatives | Chemistry; Metallurgy | 6 | Expired |
| US3970751A | Certain thiazolotriazolyphosphonothioates used as insecticides | Human Necessities | 2 | Expired |
| US4024252A | 2-(5-Ethyl-6-bromothiazolo[3,2-b]-5-triazolyl)thiophosphonate esters, compositions and method of use | Chemistry; Metallurgy | 1 | Expired |
| US4713396A | Benzoylurea derivatives | Chemistry; Metallurgy | 1 | Expired |
| US4316044A | Isovaleric acid derivatives | Human Necessities | 0 | Expired |
| US4937335A | Oxa(thia)zolidine derivatives | Chemistry; Metallurgy | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.