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Inventor

Brent R. Den Hartog

Inventor
Rochester, MN, US

Overview

4→
Patents
2004–2019
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.

H03Hprimary
H03HImpedance networks, e.g. resonant circuits25%
H03KPulse technique25%
G11BInformation storage based on relative movement between record carrier and transducer13%
H01LSemiconductor devices13%
H10DInorganic electric semiconductor devices13%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests13%
PatentTitleYear
10,211,205Field effect transistor structure for reducing contact resistance201910,079,595Bidirectional interface using thin oxide devices201810,075,157Bidirectional interface using thin oxide devices20186,801,396'Substrate independent superpolishing process and slurry'2004

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2004Patents assigned to HITACHI GLOBAL STORAGE TECH (1)· patent assignee history
2004–2019Based in Rochester, MN, US· patent location history
2018–2019Patents assigned to IBM (3)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
IBM32018–2019
HITACHI GLOBAL STORAGE TECH12004
Locations
LocationPatentsSpan
Rochester, Minnesota, US42004–2019