Inventor

BARRENTINE DEREK

US4 patents

⚠️ This page may combine multiple inventors who share the name “BARRENTINE DEREK”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

APPLE INC

2 patents

US7633076B2Dec 15, 2009

Automated response to and sensing of user activity in portable devices

APPLE INC1,196 citations98

US9389729B2Jul 12, 2016

Automated response to and sensing of user activity in portable devices

APPLE INC7 citations83

HUPPI BRIAN

1 patent

US8614431B2Dec 24, 2013

Automated response to and sensing of user activity in portable devices

HUPPI BRIAN110 citations97

BARRENTINE DEREK

1 patent

US10341764B2Jul 2, 2019

Structures for dynamically tuned audio in a media device

BARRENTINE DEREK0 citations33