LexDanaLexDanabeta
Inventor

Samnathan Murthy

Inventor
Santa Cruz, CA, US

Overview

11→
Patents
1997–2003
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 11 as inventor

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

F16Cprimary
F16CShafts33%
G11BInformation storage based on relative movement between record carrier and transducer33%
H02KDynamo-electric machines20%
Y10TTechnical subjects covered by former us classification7%
B21DWorking or processing of sheet metal or metal tubes, rods or profiles without essentially removing material3%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests3%
PatentTitleYear
6,583,952'In-hub spindle motor with separate fluid dynamic bearings'20036,296,390'Single plate hydrodynamic bearing with extended single journal bearing'20016,280,088'Crowned conical bearing'20016,144,523'Simplified conical bearing with independent flow paths'20006,118,620'In-hub spindle motor with separate fluid dynamic bearings'20006,065,877'Thermal compensation for fluid dynamic bearing using bimetal parts'20006,019,516'Crowned conical bearing'20005,946,958'Device for manufacturing a groove bearing'19995,940,246'Disc drive hydro bearing lubricant with electrically conductive, non-metallic additive'19995,793,129'Low distortion interference fits for spindle motor assembly'19985,666,716'Low distortion interference fits for spindle motor assembly'1997

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1997–2000Patents assigned to SEAGATE TECHNOLOGY (5)· patent assignee history
1997–1998Based in Campbell, CA, US· patent location history
1999Patents assigned to SEAGATE TECHNOLOG INC (1)· patent assignee history
1999–2003Based in Santa Cruz, CA, US· patent location history
2000–2003Patents assigned to SEAGATE TECHNOLOGY LLC (5)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SEAGATE TECHNOLOGY51997–2000
SEAGATE TECHNOLOGY LLC52000–2003
SEAGATE TECHNOLOG INC11999
Locations
LocationPatentsSpan
Santa Cruz, California, US91999–2003
Campbell, California, US21997–1998