Inventor · Tokyo, JP

Dylan H. Davies

11Patents
7h-index
15Co-inventors
63Inventor score

Filing activity: Oct 30, 1986 → Apr 27, 2010

Most-cited inventions

PatentTitleAreaCited byStatus
US7668411B2 Distributed vibration sensing system using multimode fiber Physics 86 Active
US4857831A Borehole casing diagnostic apparatus and method Electricity 37 Expired
US6255818A Method and apparatus for performing magnetic resonance measurements Physics 33 Expired
US5426368A Logging method and apparatus for investigating geometrical characteristics of a borehole and for investigating formation resistivity Physics 18 Expired
US4794322A Method, system, and tool for investigating borehole casings Physics 15 Expired
US7731421B2 Fluid level indication system and technique Fixed Constructions 15 Active
US5343153A Well logging method and apparatus using passive azimuthal electrodes Physics 8 Expired
US8077314B2 Measuring a characteristic of a multimode optical fiber Physics 7 Active
US5268641A Logging method and apparatus for measuring the Grondingen effect-corrected resistivity of earth formations Physics 2 Expired
US7472594B1 Fluid level indication system and technique Fixed Constructions 2 Active
US8128281B2 Fluid level indication system and technique Fixed Constructions 1 Active

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