Inventor · San Marino, CA, US

John Michael Tamkin

27Patents
8h-index
30Co-inventors
75Inventor score

Filing activity: Mar 16, 1995 → Dec 1, 2023

Most-cited inventions

PatentTitleAreaCited byStatus
US5548394A Scanning fingerprint reading Physics 74 Expired
US8414480B2 Methods and devices for reducing reflection-illuminated artifacts Human Necessities 25 Active
US10252563B2 Optical products, masters for fabricating optical products, and methods for manufacturing masters and optical products Physics 18 Active
US6084706A High efficiency laser pattern generator Physics 17 Expired
US10850550B2 Optical switch devices Physics 12 Active
US11399981B2 Robust laser cutting methods for ophthalmic surgery Human Necessities 9 Active
US11221448B2 Animated optical security feature Physics 9 Active
US11113919B2 Optical switch devices Physics 9 Active
US9521949B2 Ophthalmic range finding Human Necessities 8 Active
US11590790B2 Optical products, masters for fabricating optical products, and methods for manufacturing masters and optical products Physics 7 Active
US11618275B2 Optical switch devices Physics 7 Active
US11861966B2 Optical switch devices Physics 6 Active
US7688431B1 Dispersion demonstrator for eyewear lenses Physics 5 Active
US9603519B2 Ophthalmic range finding Human Necessities 4 Active
US8570356B2 Optical system for direct imaging of light markable material Physics 3 Active
US6107622A Chevron correction and autofocus optics for laser scanner Electricity 1 Expired
US10390996B2 Ophthalmic range finding Human Necessities 1 Active
US9798150B2 System for distributing auto-stereoscopic images Emerging Cross-Sectional Technologies 1 Active
US11865046B2 Robust laser cutting methods for ophthalmic surgery Human Necessities 0 Active
US9861527B2 Robust laser cutting methods for ophthalmic surgery Human Necessities 0 Active
US12269288B2 Optical switch devices Physics 0 Active
US12397576B2 Optical products, masters for fabricating optical products, and methods for manufacturing masters and optical products Physics 0 Active
US10376415B2 Robust laser cutting methods for ophthalmic surgery Human Necessities 0 Active
US12223794B2 Optical switch devices Physics 0 Active
US12253691B2 Optical products, masters for fabricating optical products, and methods for manufacturing masters and optical products Electricity 0 Active

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