Inventor · Chaska, MN, US

Thomas Roy Boonstra

21Patents
5h-index
35Co-inventors
69Inventor score

Filing activity: Dec 2, 1998 → Feb 21, 2018

Most-cited inventions

PatentTitleAreaCited byStatus
US8786987B2 Biased two dimensional magnetic sensor Physics 28 Active
US8400738B2 Magnetic element with dual magnetic moments Emerging Cross-Sectional Technologies 25 Active
US6121156A Contact monitor, method of forming same and method of analyzing contact-, via-and/or trench-forming processes in an integrated circuit Electricity 19 Expired
US9406321B2 Read head with multiple reader stacks Physics 10 Active
US6518591B1 Contact monitor, method of forming same and method of analizing contact-, via- and/or trench-forming processes in an integrated circuit Electricity 6 Expired
US9934798B1 Lateral spin valve reader with vertically-integrated two-dimensional semiconducting channel Physics 5 Active
US8191238B2 Method for forming a magnetic writer Emerging Cross-Sectional Technologies 4 Active
US9812157B1 Lateral spin valve reader and fabrication method thereof Physics 3 Active
US8705212B2 Magnetic element with enhanced coupling portion Emerging Cross-Sectional Technologies 3 Active
US9489967B2 Method and apparatus for aligning a laser diode on a slider Emerging Cross-Sectional Technologies 3 Active
US9218823B2 Read head with multiple reader stacks Physics 3 Active
US9165574B2 Magnetic element with dual magnetic moments Emerging Cross-Sectional Technologies 3 Active
US10446176B1 Lateral spin valve reader with vertically-integrated two-dimensional semiconducting channel Physics 2 Active
US9704515B2 Lateral spin valve reader with in-plane detector Physics 2 Active
US8896971B2 Aligned magnetic insulating feature Emerging Cross-Sectional Technologies 2 Active
US9065236B2 Method and apparatus for aligning a laser diode on a slider Emerging Cross-Sectional Technologies 1 Active
US9672849B2 Multiple reader stacks disposed in close proximity Emerging Cross-Sectional Technologies 1 Active
US8771847B2 Reader stop-layers Emerging Cross-Sectional Technologies 1 Active
US9058823B2 Protected transducer for dead layer reduction Physics 0 Active
US7027270B2 Spin valve sensor for high areal density applications Physics 0 Expired
US9542961B2 Magnetoresistive sensor with stop-layers Emerging Cross-Sectional Technologies 0 Active

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