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Inventor

Stephen R. Viskochil

Inventor
Los Gatos, CA, US

Overview

9→
Patents
1982–2016
Patent span
Physics
Primary field (CPC G)

Patents· 9 as inventor

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

G11Bprimary
G11BInformation storage based on relative movement between record carrier and transducer64%
H02KDynamo-electric machines18%
F16CShafts9%
Y10TTechnical subjects covered by former us classification9%
PatentTitleYear
9,472,234'Hard disk drive spindle motor including a base and a base insert formed from different materials'20168,331,059'Sub-assembly for a hard disc drive'20125,672,927'Motor with overmold coil support'19975,650,896'Low cost plastic overmolded rotary voice coil actuator'19975,602,700'Aerodynamic actuator-filter latch for hard disk drive'19974,631,431'Linear motor having improved magnetic characteristics'1986D0286879'Magnetic disc drive housing'19864,594,627'Safety latch for pickup heads and carriage disc drive'19864,331,989'Magnetic disc file having dual lock mechanism'1982

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1982–1986Patents assigned to PRIAM CORP (4)· patent assignee history
1982–1986Based in San Jose, CA, US· patent location history
1997Patents assigned to QUANTUM CORP (3)· patent assignee history
1997–2016Based in Los Gatos, CA, US· patent location history
2012Patents assigned to SAE MAGNETICS HK LTD (1)· patent assignee history
2016Patents assigned to AGENCY SCIENCE TECH & RES (1)· patent assignee history
2016Patents assigned to MARVELL INT LTD (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
PRIAM CORP41982–1986
QUANTUM CORP31997
AGENCY SCIENCE TECH & RES12016
MARVELL INT LTD12016
SAE MAGNETICS HK LTD12012
Locations
LocationPatentsSpan
Los Gatos, California, US51997–2016
San Jose, California, US41982–1986