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Inventor

Ching-Sen Tsai

Inventor
Tu-Cheng, TW

Overview

7→
Patents
2010–2012
Patent span
Electricity
Primary field (CPC H)

Patents· 7 as inventor

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

H04Mprimary
H04MTelephonic communication33%
G03BApparatus or arrangements for taking photographs or for projecting or viewing them11%
G06FElectric digital data processing11%
H01HElectric switches11%
H01RElectrically-conductive connections11%
H04RLoudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers11%
H05KPrinted circuits11%
PatentTitleYear
8,116,833'Grounding apparatus of portable electronic devices'20128,116,504'Electronic device having a receiver'20128,023,682'Portable electronic device with spatial module'20117,926,962'Portable electronic device'20117,787,255'Grounding apparatus of portable electronic devices'20107,760,510'Portable electronic device employing sliding mechanism'20107,754,988'Keypad module for portable electronic devices'2010

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2010–2012Patents assigned to CHI MEI COMM SYSTEMS INC (7)· patent assignee history
2010–2012Based in Tu-Cheng, TW· patent location history
2010Based in Taipei, TW· patent location history
2012Patents assigned to TSAI CHING-SEN (2)· patent assignee history
2012Patents assigned to TSAO MEI-TSU (2)· patent assignee history
2012Patents assigned to CHANG CHENG-LUNG (1)· patent assignee history
2012Patents assigned to CHANG JIA-REN (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CHI MEI COMM SYSTEMS INC72010–2012
TSAI CHING-SENself22012
TSAO MEI-TSU22012
CHANG CHENG-LUNG12012
CHANG JIA-REN12012
Locations
LocationPatentsSpan
Tu-Cheng, TW62010–2012
Taipei, TW12010