Hirosuke Yamada
36Patents
11h-index
46Co-inventors
75Inventor score
Filing activity: Dec 29, 1980 → Jun 12, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| USD639392S1 | Flow control valve for air pressure device | General | 50 | Expired |
| USD667930S1 | Flow control valve for air pressure device | General | 49 | Active |
| USD635644S1 | Flow control valve for air pressure device | General | 33 | Expired |
| USD623271S1 | Flow control valve for air pressure device | General | 22 | Expired |
| US6000629A | Suck back valve with linear actuator and encoder arrangement | Emerging Cross-Sectional Technologies | 17 | Expired |
| US6262402A | Method and apparatus for joining metal pieces using induction heating | Performing Operations; Transporting | 17 | Expired |
| US6200100A | Method and system for preventing incontinent liquid drip | Electricity | 16 | Expired |
| USD855153S1 | Flow control valve | General | 14 | Active |
| USD858704S1 | Flow control valve | General | 13 | Active |
| US5951903A | Method and apparatus for joining metal pieces | Performing Operations; Transporting | 12 | Expired |
| USD854658S1 | Flow control valve | General | 12 | Active |
| US6092782A | Opening and closing valve | Mechanical Engineering; Lighting; Heating | 11 | Expired |
| US4398948A | Methods for controlling blowing, controlling the slag formation and predicting slopping in the blowing of molten pig iron in LD converter | Chemistry; Metallurgy | 11 | Expired |
| USD844751S1 | Flow control valve | General | 11 | Active |
| US5938119A | Suck back valve | Mechanical Engineering; Lighting; Heating | 9 | Expired |
| US4373705A | Method and apparatus for separating slag and pouring molten steel out of a container such as a converter or the like | Mechanical Engineering; Lighting; Heating | 7 | Expired |
| US6184508A | Apparatus for joining metal pieces using induction heating | Performing Operations; Transporting | 5 | Expired |
| US6248984A | Method and apparatus for joining metal pieces | Performing Operations; Transporting | 4 | Expired |
| USD985099S1 | Flow control valve | General | 3 | Active |
| US4422873A | Blowing method in a top and bottom blowing converter | Chemistry; Metallurgy | 3 | Expired |
| US9115811B2 | Flow control device | Emerging Cross-Sectional Technologies | 3 | Active |
| US10871175B2 | Speed controller | Mechanical Engineering; Lighting; Heating | 2 | Active |
| US6164525A | Continuous hot rolling method of metal blocks, as well as a metal block joining apparatus, a table roller for conveying the metal blocks, a poor joined portion removing apparatus and a metal block cooling apparatus which are used to carry out said method | Performing Operations; Transporting | 2 | Expired |
| US6373017B1 | Continuous hot rolling mill with metal block conveying apparatus | Performing Operations; Transporting | 2 | Expired |
| US6218649A | Method and apparatus for joining metal pieces using induction heating | Performing Operations; Transporting | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.