Inventor · La Ronge, SK, CA

Hal E. Wright

19Patents
9h-index
27Co-inventors
72Inventor score

Filing activity: Dec 29, 1975 → Dec 22, 2006

Most-cited inventions

PatentTitleAreaCited byStatus
US4853737A Roll useful in electrostatography Physics 119 Expired
US5089363A Toner fixing method and apparatus and image bearing receiving sheet Emerging Cross-Sectional Technologies 33 Expired
US4092162A Nitrogen containing polymers aelements Physics 21 Expired
US4322487A Composite electrically photosensitive particles for electrophoretic migration imaging process Physics 20 Expired
US4012376A Photosensitive colorant materials Physics 19 Expired
US4175961A Multi-active photoconductive elements Physics 18 Expired
US5681677A Photoconductive element having a barrier layer Physics 13 Expired
US4951096A Self-calibrating temperature control device for a heated fuser roller Physics 12 Expired
US4111693A Multilayer aggregate photoconductive elements Physics 12 Expired
US4197120A Electrophoretic migration imaging process Physics 7 Expired
US4282354A Electrophoretic migration imaging process Physics 7 Expired
US7625024B2 Lifting lug for tanks and the like Performing Operations; Transporting 4 Active
US4331751A Electrically photosensitive materials and elements for photoelectrophoretic imaging processes Physics 4 Expired
US4578330A Hydroxyaluminumphthalocyanine having reduced green absorption Physics 2 Expired
US4535046A Chloroaluminumphthalocyanine exhibiting reduced green spectral absorption Chemistry; Metallurgy 1 Expired
US4258112A Sensitizer for electrophoretic migration imaging dispersions Physics 1 Expired
US4255506A Electrophoretic migration imaging dispersion Physics 1 Expired
US4165984A Electrophoretic migration imaging process Physics 0 Expired
USRE30235E Photosensitive colorant materials General 0 Expired

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