Tangent Co., Ltd.
9Patents
9Active
9Granted
44Portfolio score
Filing activity: Feb 2, 2012 → Sep 11, 2021
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US10894725B1 | Control process for wastewater treatment system | Chemistry; Metallurgy | 5 | Active |
| US10407332B2 | Biological wastewater treatment system containing a salt-rejecting membrane filter and recycle conduit | Emerging Cross-Sectional Technologies | 4 | Active |
| US9809479B2 | Method and apparatus for residential water recycling | Emerging Cross-Sectional Technologies | 3 | Active |
| US9493368B2 | Hardness reduction apparatus and method | Chemistry; Metallurgy | 1 | Active |
| US9724645B2 | Electrochemically regenerated water deionization | Chemistry; Metallurgy | 0 | Active |
| US10703658B2 | Home sewage treatment system | Emerging Cross-Sectional Technologies | 0 | Active |
| US10934767B2 | Vacuum insulating material and vacuum insulating glass | Emerging Cross-Sectional Technologies | 0 | Active |
| US10744465B2 | Filtration unit | Chemistry; Metallurgy | 0 | Active |
| US12027148B2 | Soundproof material | Performing Operations; Transporting | 0 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.