Ryuichi Iwata
18Patents
7h-index
17Co-inventors
63Inventor score
Filing activity: Feb 8, 1982 → Jul 3, 2017
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6559798B1 | Phased array antenna and method of manufacturing the same | Electricity | 32 | Expired |
| US6535168B1 | Phased array antenna and method of manufacturing method | Electricity | 21 | Expired |
| US4525719A | Dual-band antenna system of a beam waveguide type | Electricity | 15 | Expired |
| US6262689A | Antenna for communicating with low earth orbit satellite | Emerging Cross-Sectional Technologies | 15 | Expired |
| US6556168B1 | Phased array antenna and its manufacturing method | Electricity | 14 | Expired |
| US5136294A | Multibeam antenna | Electricity | 12 | Expired |
| US6777771B1 | High-frequency device using switch having movable parts, and method of manufacture thereof | Emerging Cross-Sectional Technologies | 8 | Expired |
| US4476471A | Antenna apparatus including frequency separator having wide band transmission or reflection characteristics | Electricity | 6 | Expired |
| US9863673B2 | Adsorption heat pump system and method of generating cooling power | Emerging Cross-Sectional Technologies | 1 | Active |
| US10365020B2 | Heat pump | Emerging Cross-Sectional Technologies | 0 | Active |
| US10082321B2 | Adsorption heat pump system and cooling generation method | Emerging Cross-Sectional Technologies | 0 | Active |
| US9435573B2 | Adsorption heat pump | Emerging Cross-Sectional Technologies | 0 | Active |
| US10483571B2 | Fuel cell system | Emerging Cross-Sectional Technologies | 0 | Active |
| US10648710B2 | Heat pump system and cooling generation method | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US10371424B2 | Thermal transpiration flow heat pump | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US10415891B2 | Heat exchanger and heat storage system | Emerging Cross-Sectional Technologies | 0 | Active |
| US10309694B2 | Heat pump and cooling power generation method | Emerging Cross-Sectional Technologies | 0 | Active |
| US10168081B2 | Adsorption heat pump system and cooling generation method | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.