Inventor

Joseph A. DeGroot

6Patents
1h-index
9Co-inventors
40Inventor score

Filing activity: Jun 6, 2006 → Sep 30, 2020

Most-cited inventions

PatentTitleAreaCited byStatus
US7980671B2 Electrostatic actuator and method of making the electrostatic actuator Performing Operations; Transporting 10 Active
US7712871B2 Method, apparatus and printhead for continuous MEMS ink jets Performing Operations; Transporting 0 Active
US7942508B2 Decreased actuation voltage in MEMS devices by constraining membrane displacement without using conductive “landing pad” Performing Operations; Transporting 0 Active
US8393713B2 Ink jet printing systems and methods with pre-fill and dimple design Performing Operations; Transporting 0 Active
US11604863B2 Alignment system Physics 0 Active
US8746848B2 Ink jet printing systems and methods with pre-fill and dimple design Performing Operations; Transporting 0 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.