SASAKURA ENGINEERING CO., LTD.
17Patents
4Active
17Granted
37Portfolio score
Filing activity: Apr 13, 1977 → Apr 1, 2014 · 2 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4913809A | Concentrating apparatus with reverse osmosis membrane | Mechanical Engineering; Lighting; Heating | 17 | Expired |
| US4795532A | Aftertreatment method and apparatus for distilled water | Emerging Cross-Sectional Technologies | 10 | Expired |
| US6675876B2 | Rotary cooling roller | Performing Operations; Transporting | 8 | Expired |
| US7351342B2 | Method for recovering fluorine-containing emulsifier | Chemistry; Metallurgy | 8 | Expired |
| US4929347A | Concentrating apparatus with reverse osmosis membrane | Performing Operations; Transporting | 8 | Expired |
| US4141410A | Evaporator | Emerging Cross-Sectional Technologies | 7 | Expired |
| US4537248A | Air-cooled heat exchanger | Emerging Cross-Sectional Technologies | 7 | Expired |
| US4805690A | Cooling roller | Mechanical Engineering; Lighting; Heating | 5 | Expired |
| US4724076A | Centrifugal separator for separating sludge in waste water | Performing Operations; Transporting | 5 | Expired |
| US4417619A | Air-cooled heat exchanger | Emerging Cross-Sectional Technologies | 5 | Expired |
| US8051669B2 | Liquid evaporation cooling apparatus | Emerging Cross-Sectional Technologies | 4 | Active |
| US5156208A | Heat pipe unit and partition panel | Mechanical Engineering; Lighting; Heating | 4 | Expired |
| US9048384B2 | Steam generation apparatus | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US4145245A | Double-effect evaporator | Emerging Cross-Sectional Technologies | 1 | Expired |
| US9739504B2 | Steam generator and energy supply system using the same | Emerging Cross-Sectional Technologies | 0 | Active |
| US10329166B2 | Evaporative treatment method for aqueous solution | Emerging Cross-Sectional Technologies | 0 | Active |
| US7311799B2 | Hydrofluoric acid wastewater treatment method and device | Chemistry; Metallurgy | 0 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.