Yoichi Sugiyama
9Patents
4h-index
21Co-inventors
53Inventor score
Filing activity: Jul 12, 1994 → Jan 13, 2011
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6536514B1 | Heat exchanger and method for preparing it | Emerging Cross-Sectional Technologies | 39 | Expired |
| US6032730A | Heat exchanger and method of manufacturing a heat exchanging member of a heat exchanger | Emerging Cross-Sectional Technologies | 27 | Expired |
| US5476056A | Method of forming air layer over immersed surfaces of structure having immersed portions, and structure of coat layer formed over immersed surfaces | Emerging Cross-Sectional Technologies | 24 | Expired |
| US8607851B2 | Total heat exchanging element and total heat exchanger | Emerging Cross-Sectional Technologies | 6 | Active |
| US8316542B2 | Method of manufacturing total heat exchange element and total heat exchange element | Emerging Cross-Sectional Technologies | 2 | Active |
| US6864221B1 | Granules for carrying surfactant and method for producing the same | Chemistry; Metallurgy | 2 | Expired |
| US8455425B2 | Particles containing alkali | Chemistry; Metallurgy | 0 | Active |
| US8689859B2 | Total heat exchanging element and total heat exchanger | Emerging Cross-Sectional Technologies | 0 | Active |
| US6734156B1 | Granules for carrying surfactant and method for producing the same | General | 0 | Revoked |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.