Sanwa Engineering Corp.
3Patents
3Active
3Granted
51Portfolio score
Filing activity: Nov 29, 2012 → Nov 30, 2021
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US9046303B2 | Freeze-drying method and apparatus for the same | Mechanical Engineering; Lighting; Heating | 21 | Active |
| US11598405B1 | Planetary reducer | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US11721570B2 | Wafer notch leveling device | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.