Inventor

CHANG CHARLES E

US12 patents

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

MINDSPEED TECH INC

4 patents

US7127391B2Oct 24, 2006

Method and apparatus for slice point determination

MINDSPEED TECH INC25 citations86

US7499648B2Mar 3, 2009

Multistage amplifier for rapid acquisition and random received signal power applications

MINDSPEED TECH INC8 citations81

US7813381B2Oct 12, 2010

Automatic data rate detection

MINDSPEED TECH INC5 citations59

US7702030B2Apr 20, 2010

Module to module signaling with jitter modulation

MINDSPEED TECH INC0 citations41

80 PERCENT ARMS INC

2 patents

US9009986B1Apr 21, 2015

Jig for firearm lower receiver manufacture

80 PERCENT ARMS INC42 citations94

US9810517B2Nov 7, 2017

Method for machining a firearm lower receiver using a jig

80 PERCENT ARMS INC17 citations89

CHANG CHARLES E

2 patents

US6563145B1May 13, 2003

Methods and apparatus for a composite collector double heterojunction bipolar transistor

CHANG CHARLES E54 citations91

US8761387B2Jun 24, 2014

Analog transmit crosstalk canceller

CHANG CHARLES E2 citations60

CONEXANT SYSTEMS INC

2 patents

US6628605B1Sep 30, 2003

Method and apparatus for efficiently transmitting multiple data signals

CONEXANT SYSTEMS INC15 citations83

US6636077B1Oct 21, 2003

High isolation, low power high speed multiplexer circuit

CONEXANT SYSTEMS INC10 citations73

BLACKHAWK MFG GROUP INC

1 patent

US11796298B2Oct 24, 2023

Jig for firearm lower receiver manufacture

BLACKHAWK MFG GROUP INC2 citations69

APPLE INC

1 patent

US12431546B2Sep 30, 2025

Detecting electrolyte on circuit boards

APPLE INC0 citations55