Yuuichi Yakumaru
19Patents
6h-index
19Co-inventors
59Inventor score
Filing activity: Feb 20, 2002 → Jul 14, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6868686B2 | Refrigeration cycle apparatus | Emerging Cross-Sectional Technologies | 43 | Expired |
| US7469486B2 | Heat pump type drying apparatus drying apparatus and drying method | Textiles; Paper | 19 | Expired |
| US7191543B2 | Drying device and method of operation therefor | Emerging Cross-Sectional Technologies | 18 | Expired |
| US7069983B2 | Air conditioner | Mechanical Engineering; Lighting; Heating | 7 | Expired |
| US6871511B2 | Refrigeration-cycle equipment | Mechanical Engineering; Lighting; Heating | 6 | Expired |
| US7975502B2 | Heat pump apparatus and operating method thereof | Mechanical Engineering; Lighting; Heating | 6 | Active |
| US10301179B2 | Electrochemical hydrogen pump | Emerging Cross-Sectional Technologies | 5 | Active |
| US7350366B2 | Heat pump | Mechanical Engineering; Lighting; Heating | 5 | Active |
| US7302807B2 | Refrigerating cycle device | Mechanical Engineering; Lighting; Heating | 5 | Expired |
| US10550486B2 | Electrochemical hydrogen pump | Emerging Cross-Sectional Technologies | 2 | Active |
| US7730729B2 | Refrigerating machine | Mechanical Engineering; Lighting; Heating | 2 | Active |
| US11332835B2 | Hydrogen system | Emerging Cross-Sectional Technologies | 1 | Active |
| US11332836B2 | Hydrogen system | Emerging Cross-Sectional Technologies | 1 | Active |
| US10480087B2 | Membrane electrode assembly and electrochemical hydrogen pump | Emerging Cross-Sectional Technologies | 1 | Active |
| US9985302B2 | Fuel cell system | Emerging Cross-Sectional Technologies | 0 | Active |
| US9928820B2 | Fuel cell system | Emerging Cross-Sectional Technologies | 0 | Active |
| US11598013B2 | Electrochemical hydrogen compressor and method for operating electrochemical hydrogen compressor | Emerging Cross-Sectional Technologies | 0 | Active |
| US9966621B2 | Fuel cell system | Emerging Cross-Sectional Technologies | 0 | Active |
| US9843061B2 | Hydrogen generator with a supplementary air flow rate adjustor for a combustor | Chemistry; Metallurgy | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.