LexDanaLexDanabeta
Inventor

Yun-Chan Tsai

Inventor
Taipei, TW

Overview

4→
Patents
2008–2020
Patent span
Electricity
Primary field (CPC H)

Patents· 4 as inventor

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

H01Qprimary
H01QAntennas, i.e. radio aerials40%
A44BButtons, pins, buckles, slide fasteners, or the like20%
H04BTransmission20%
LOC1420%
PatentTitleYear
10,847,883Enhanced printed circuit board monopole antenna202010,348,357Single feed-in dual-brand antenna structure20199,936,770Buckle2018D0563411'Computer mouse'2008

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2008Patents assigned to LOGITECH EUROP SA (1)· patent assignee history
2008Based in Fremont, CA, US· patent location history
2018Patents assigned to TSAI YUN CHAN (1)· patent assignee history
2018Based in Kaohsiung, TW· patent location history
2019–2020Patents assigned to POWER WAVE ELECTRONIC CO LTD (2)· patent assignee history
2019–2020Based in Taipei, TW· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
POWER WAVE ELECTRONIC CO LTD22019–2020
LOGITECH EUROP SA12008
TSAI YUN CHANself12018
Locations
LocationPatentsSpan
Taipei, TW22019–2020
Kaohsiung, TW12018
Fremont, California, US12008