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Inventor

Lakshman Nagarathnam

Inventor
Capitola, CA, US

Overview

9→
Patents
1996–2004
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 9 as inventor

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

F16Cprimary
F16CShafts53%
G11BInformation storage based on relative movement between record carrier and transducer47%
PatentTitleYear
6,702,408'Single plate hydrodynamic bearing cartridge'20046,239,943'Squeeze film damping for a hard disc drive'20015,993,066'Fluid retention principle for hydrodynamic bearings'19995,977,674'Single plate hydrodynamic bearing with self-balancing fluid level'19995,908,247'Sinusoidal grooving pattern for grooved journal bearing'19995,697,708'Hydrodynamic bearing with reduced temperature sensitivity'19975,653,540'Hydrodynamic bearing assembly with single sided grooved counterplace'19975,533,812'Single plate hydrodynamic bearing with self-balancing fluid level'19965,524,986'Fluid retention principles for hydrodynamic bearings'1996

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1996–1999Patents assigned to SEAGATE TECHNOLOGY (7)· patent assignee history
1996–2004Based in Capitola, CA, US· patent location history
1999Based in Milpitas, CA, US· patent location history
2001–2004Patents assigned to SEAGATE TECHNOLOGY LLC (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SEAGATE TECHNOLOGY71996–1999
SEAGATE TECHNOLOGY LLC22001–2004
Locations
LocationPatentsSpan
Capitola, California, US81996–2004
Milpitas, California, US11999