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Inventor

Chi-Wen Tsai

Inventor
Hsinchu, TW

Overview

4→
Patents
2001–2012
Patent span
General tagging of new technological developments
Primary field (CPC Y)

Patents· 4 as inventor

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

H01Qprimary
H01QAntennas, i.e. radio aerials25%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests25%
Y10TTechnical subjects covered by former us classification25%
A61GTransport, personal conveyances, or accommodation specially adapted for patients or disabled persons13%
A61HPhysical therapy apparatus, e.g. devices for locating or stimulating reflex points in the body13%
PatentTitleYear
8,191,231'Method for manufacturing antenna'20128,176,621'Method for forming antenna structure'20126,190,307'Auxiliary erotic implement'20016,189,167'Pillow'2001

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2001Based in Taipei, TW· patent location history
2012Patents assigned to CHANG SHENG-CHIEH (2)· patent assignee history
2012Patents assigned to HSU HSIN-HUI (2)· patent assignee history
2012Patents assigned to HUANG BAU-YI (2)· patent assignee history
2012Patents assigned to LO WEN-KUEI (2)· patent assignee history
2012Patents assigned to TSAI CHI-WEN (2)· patent assignee history
2012Based in Hsinchu, TW· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CHANG SHENG-CHIEH22012
HSU HSIN-HUI22012
HUANG BAU-YI22012
LO WEN-KUEI22012
TSAI CHI-WENself22012
Locations
LocationPatentsSpan
Hsinchu, TW22012
Taipei, TW22001