Inventor
FISCH PERRY JOSEPH
US6 patents
⚠️ This page may combine multiple inventors who share the name “FISCH PERRY JOSEPH”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NIELSEN CO US LLC
5 patentsUS9514135B2Dec 6, 2016
Methods and apparatus for metering portable media players
NIELSEN CO US LLC6 citations80
US11057674B2Jul 6, 2021
Methods and apparatus for metering portable media players
NIELSEN CO US LLC1 citations69
US10356471B2Jul 16, 2019
Methods and apparatus for metering portable media players
NIELSEN CO US LLC2 citations69
US12219209B2Feb 4, 2025
Methods and apparatus for metering portable media players
NIELSEN CO US LLC0 citations59
US11882333B2Jan 23, 2024
Methods and apparatus for metering portable media players
NIELSEN CO US LLC0 citations59