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Inventor

Kenneth Carless Smith

Inventor
Toronto, CA

Overview

6→
Patents
1990–2017
Patent span
Human necessities
Primary field (CPC A)

Patents· 6 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

A61Bprimary
A61BDiagnosis44%
H03FAmplifiers33%
G01RMeasuring electric variables11%
H03MCoding11%
PatentTitleYear
9,585,593'Signal distribution for patient-electrode measurements'20178,487,686'Active guarding for reduction of resistive and capacitive signal loading with adjustable control of compensation level'20137,457,660'Eliminating interface artifact errors in bioimpedance measurements'20087,212,852'Bioimpedance measurement using controller-switched current injection and multiplexer selected electrode connection'20076,768,921'Electrical impedance method and apparatus for detecting and diagnosing diseases'20044,978,959'Analog to digital converter, a digital to analog converter and an operational amplifier therefor'1990

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1990–2017Based in Toronto, CA· patent location history
2004–2008Patents assigned to Z TECH CANADA INC (3)· patent assignee history
2013–2017Patents assigned to FAN CHUNG SHING (2)· patent assignee history
2013–2017Patents assigned to IRONSTONE JOEL (2)· patent assignee history
2013–2017Patents assigned to SMITH KENNETH CARLESS (2)· patent assignee history
2013Patents assigned to ALTMEJD MORRIE (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
Z TECH CANADA INC32004–2008
FAN CHUNG SHING22013–2017
IRONSTONE JOEL22013–2017
SMITH KENNETH CARLESSself22013–2017
ALTMEJD MORRIE12013
Locations
LocationPatentsSpan
Toronto, CA61990–2017