Haruo Yamada
14Patents
8h-index
36Co-inventors
72Inventor score
Filing activity: Oct 12, 1982 → Sep 21, 2018
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5480899A | Oxazolidine derivatives and pharmaceutically acceptable salts thereof | Chemistry; Metallurgy | 53 | Expired |
| US4835209A | Rubber for tire treads and compositions thereof | Performing Operations; Transporting | 52 | Expired |
| US7915349B2 | Conjugated diene polymer and process for production thereof | Chemistry; Metallurgy | 15 | Active |
| US9493629B2 | Modified butadiene-based polymer composition | Emerging Cross-Sectional Technologies | 11 | Active |
| US4772681A | Porphyrin derivatives | Chemistry; Metallurgy | 9 | Expired |
| US8106130B2 | Modified conjugated diene polymer and process for producing thereof | Chemistry; Metallurgy | 9 | Active |
| US4657076A | Chemical injection tube mounting structure for geothermal well | Emerging Cross-Sectional Technologies | 8 | Expired |
| US4480606A | Intake system of an internal combustion engine | Emerging Cross-Sectional Technologies | 8 | Expired |
| US6906152B2 | Rubber compositions | Emerging Cross-Sectional Technologies | 5 | Expired |
| US6969739B1 | Rubber composition | Emerging Cross-Sectional Technologies | 3 | Expired |
| US7132471B2 | Rubber composition and process for production thereof | Chemistry; Metallurgy | 1 | Expired |
| US10907659B2 | Hydraulic system | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US9221344B2 | Assembly jig of contact plate assembly | Performing Operations; Transporting | 0 | Active |
| US9352654B2 | Impact mitigating structure of contact strip piece | Performing Operations; Transporting | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.