Inventor · Waltham, MA, US

Clarence J. Dunnrowicz

9Patents
7h-index
14Co-inventors
60Inventor score

Filing activity: May 23, 1977 → Oct 8, 2002

Most-cited inventions

PatentTitleAreaCited byStatus
US6136623A Multiple wavelength laser arrays by flip-chip bonding Electricity 64 Expired
US6163557A Fabrication of group III-V nitrides on mesas Electricity 44 Expired
US4130813A Surface wave device having enhanced reflectivity gratings Emerging Cross-Sectional Technologies 34 Expired
US4270105A Stabilized surface wave device Electricity 33 Expired
US4434384A Ultrasonic transducer and its method of manufacture Performing Operations; Transporting 20 Expired
US6806513B2 Heterojunction bipolar transistor having wide bandgap material in collector Electricity 11 Expired
US7012288B2 Heterojunction bipolar transistor having non-uniformly doped collector for improved safe-operating area Electricity 9 Expired
US4895290A Method for bonding materials Performing Operations; Transporting 5 Expired
US4151492A Surface acoustic wave grating Electricity 3 Expired

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