Inventor · Frankenthal (Pfalz), DE

Helmut Lewin

7Patents
4h-index
14Co-inventors
50Inventor score

Filing activity: Mar 21, 1978 → Jan 22, 1991

Most-cited inventions

PatentTitleAreaCited byStatus
US5201586A Arrangement for the dynamic compensation of eccentricities of solids of rotation Emerging Cross-Sectional Technologies 31 Expired
US4276575A Tape guide for high-speed tape transport apparatus Physics 21 Expired
US4213222A Cleaning apparatus for a web of plastics film having a magnetic coating Physics 9 Expired
US4210266A Device for ejecting a loop of leader tape from a magnetic tape cassette Emerging Cross-Sectional Technologies 5 Expired
US5019704A Measuring circuit for detecting measurement signals Physics 3 Expired
US4201356A Cartridge arrangement comprising an adapter Physics 3 Expired
US4225099A Tape transport mechanism Physics 2 Expired

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