Yukio Murai
9Patents
5h-index
18Co-inventors
56Inventor score
Filing activity: Mar 3, 1989 → Jan 29, 2003
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7126294B2 | Method and device for controlling photovoltaic inverter, and feed water device | Emerging Cross-Sectional Technologies | 260 | Expired |
| US6922348B2 | Water supply | Emerging Cross-Sectional Technologies | 41 | Expired |
| US5062271A | Evacuation apparatus and evacuation method | Emerging Cross-Sectional Technologies | 31 | Expired |
| US4926648A | Turbomolecular pump and method of operating the same | Emerging Cross-Sectional Technologies | 27 | Expired |
| US5667362A | Pump system and method for operating the same | Mechanical Engineering; Lighting; Heating | 23 | Expired |
| USRE36610E | Evacuation apparatus and evacuation method | General | 3 | Expired |
| US6627080B2 | Flat membrane disk | Performing Operations; Transporting | 3 | Expired |
| US6596164B2 | Rotary flat membrane separation apparatus | Performing Operations; Transporting | 2 | Expired |
| US6336746B1 | Structure for supporting rotary shaft | Performing Operations; Transporting | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.