Ryuhei Ishikawa
6Patents
5h-index
9Co-inventors
56Inventor score
Filing activity: Nov 29, 1989 → Jan 24, 2014
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US8715393B2 | Capture of carbon dioxide (CO2) from air | Emerging Cross-Sectional Technologies | 24 | Active |
| US8999279B2 | Laminar flow air collector with solid sorbent materials for capturing ambient CO2 | Emerging Cross-Sectional Technologies | 18 | Active |
| US5050891A | Sealing member for ferrofluid seal | Emerging Cross-Sectional Technologies | 14 | Expired |
| US5372432A | Dynamic pressure bearing assembly | Mechanical Engineering; Lighting; Heating | 8 | Expired |
| US9616375B2 | Capture of carbon dioxide (CO2) from air | Emerging Cross-Sectional Technologies | 7 | Active |
| US5052697A | Sealing member for ferrofluid seal and method of producing the same | Mechanical Engineering; Lighting; Heating | 5 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.