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Inventor

Ching-Tzuen Tarn

Inventor
San Jose, CA, US

Overview

2→
Patents
1995–2004
Patent span
Physics
Primary field (CPC G)

Patents· 2 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 transducer33%
H10DInorganic electric semiconductor devices33%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests33%
PatentTitleYear
6,754,025'Disk drive spindle motor speed and timing control'20045,387,553'Method for forming a lateral bipolar transistor with dual collector, circular symmetry and composite structure'1995

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1995Patents assigned to IBM (1)· patent assignee history
1995–2004Based in San Jose, CA, US· patent location history
2004Patents assigned to MAXTOR CORP (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
IBM11995
MAXTOR CORP12004
Locations
LocationPatentsSpan
San Jose, California, US21995–2004