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Inventor

David Harper

Inventor
Battle Ground, WA, US

Overview

4→
Patents
1994–2015
Patent span
Electricity
Primary field (CPC H)

Patents· 4 as inventor

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

H01Lprimary
H01LSemiconductor devices29%
H10DInorganic electric semiconductor devices29%
B25BTools or bench devices not otherwise provided for, for fastening, connecting, disengaging, or holding14%
H05KPrinted circuits14%
Y10TTechnical subjects covered by former us classification14%
PatentTitleYear
9,209,091'Integrated monolithic galvanic isolator'20159,059,306'Semiconductor device having DMOS integration'20156,088,228'Protective enclosure for a multi-chip module'20005,282,638'Conversion device for drills'1994

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1994Based in Danelson, TN, US· patent location history
2000Patents assigned to 3M INNOVATIVE PROPERTIES CO (1)· patent assignee history
2000Based in Round Rock, TX, US· patent location history
2015Patents assigned to HARPER DAVID (2)· patent assignee history
2015Patents assigned to MAXIM INTEGRATED PRODUCTS (2)· patent assignee history
2015Patents assigned to ALBERHASKY SCOTT J (1)· patent assignee history
2015Patents assigned to BLAIR CHRISTOPHER S (1)· patent assignee history
2015Based in Battle Ground, WA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HARPER DAVIDself22015
MAXIM INTEGRATED PRODUCTS22015
3M INNOVATIVE PROPERTIES CO12000
ALBERHASKY SCOTT J12015
BLAIR CHRISTOPHER S12015
Locations
LocationPatentsSpan
Battle Ground, Washington, US22015
Round Rock, Texas, US12000
Danelson, TN, US11994