Inventor · Staffanstorp, SE

Nils Ake Jonsson

14Patents
8h-index
17Co-inventors
69Inventor score

Filing activity: Sep 11, 1972 → Apr 8, 1998

Most-cited inventions

PatentTitleAreaCited byStatus
US5382600A 3,3-diphenylpropylamines and pharmaceutical compositions thereof Chemistry; Metallurgy 40 Expired
US5950715A Plate heat exchanger Mechanical Engineering; Lighting; Heating 37 Expired
US4699212A Plate heat exchanger Emerging Cross-Sectional Technologies 35 Expired
US3947451A Derivatives of substituted isoquinoline 1,3-diones Chemistry; Metallurgy 23 Expired
US4172093A Pharmacodynamically active indan derivatives Chemistry; Metallurgy 19 Expired
US4123543A Derivatives of substituted indoline lactans with effect on the central nervous system Chemistry; Metallurgy 19 Expired
US4848451A Plate heat exchanger Emerging Cross-Sectional Technologies 11 Expired
US4117144A Derivatives of substituted isoindolines with effect on the central nervous system Chemistry; Metallurgy 9 Expired
US4813478A Plate heat exchanger Mechanical Engineering; Lighting; Heating 8 Expired
US5033543A Lining for plate heat exchanger Emerging Cross-Sectional Technologies 5 Expired
US4066408A Chromogen-reactive-indicator preparations containing A 3,3'-di(carbonyloxy- or sulfonyloxy-group-containing) benzidine derivative chromogen Chemistry; Metallurgy 4 Expired
US4089957A Therapeutic compositions against recurrent thrombosis Human Necessities 3 Expired
US5226473A Plate heat exchanger Mechanical Engineering; Lighting; Heating 2 Expired
US4008267A 3,3'-Di(sulfonyloxy-group-containing)substituted benzidine derivatives Chemistry; Metallurgy 1 Expired

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