Inventor · Oxnard, CA, US

Janel A. Birk

50Patents
21h-index
11Co-inventors
85Inventor score

Filing activity: Dec 10, 1997 → Jul 9, 2018

Most-cited inventions

PatentTitleAreaCited byStatus
US7762998B2 Implantable device fastening system and methods of use Human Necessities 1,184 Active
US7901381B2 Implantable device fastening system and methods of use Human Necessities 1,079 Active
US7811275B2 Methods of implanting an injection port Human Necessities 1,037 Active
US7972315B2 Implantable injection port and protective cap Human Necessities 1,024 Active
US8079989B2 Methods of operating an implantable injection port system Human Necessities 1,022 Active
US8007479B2 Implantable injection port Human Necessities 1,020 Active
US7947011B2 Implantable device fastening system and methods of use Human Necessities 1,016 Active
US7892200B2 Implantable device fastening system and methods of use Human Necessities 1,008 Active
US8007465B2 Implantable device fastening system and methods of use Human Necessities 995 Active
US6503264B1 Endoscopic device for removing an intragastric balloon Human Necessities 140 Expired
US7727143B2 Locator system for implanted access port with RFID tag Human Necessities 96 Active
US7749254B2 Two-way slit valve Human Necessities 94 Active
US7811298B2 Fatigue-resistant gastric banding device Human Necessities 77 Expired
US7798954B2 Hydraulic gastric band with collapsible reservoir Human Necessities 50 Active
US8282666B2 Pressure sensing intragastric balloon Human Necessities 49 Active
US7780590B2 Method for locating an implanted fluid access port Physics 47 Active
US8043206B2 Self-regulating gastric band with pressure data processing Human Necessities 44 Active
US8317761B2 Methods of deploying an implantable injection port Human Necessities 24 Active
US5961528A Insulated skull pins Emerging Cross-Sectional Technologies 24 Expired
US8236023B2 Apparatus and method for volume adjustment of intragastric balloons Human Necessities 24 Active
US8308630B2 Hydraulic gastric band with collapsible reservoir Human Necessities 21 Active
US8409203B2 Implantable medical implants having fasteners Human Necessities 21 Active
US6379362B1 Insulated skull pins Emerging Cross-Sectional Technologies 21 Expired
US8840541B2 Pressure sensing gastric banding system Human Necessities 16 Active
US8398654B2 Implantable access port device and attachment system Human Necessities 14 Active

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