Inventor

Wen-Sheng Tsai

Inventor
Guangdong, CN

Overview

6→
Patents
1994–2011
Patent span
Electricity
Primary field (CPC H)

Patents· 6 as inventor

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

H03Gprimary
H03GControl of amplification38%
H04RLoudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers25%
B21DWorking or processing of sheet metal or metal tubes, rods or profiles without essentially removing material13%
H04NPictorial communication, e.g. television13%
H04SStereophonic systems13%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1994Based in Jhubei City, TW· patent location history
2010–2011Patents assigned to HON HAI PREC IND CO LTD (5)· patent assignee history
2010–2011Patents assigned to HONGFUJIN PREC IND SHENZHEN (5)· patent assignee history
2010–2011Based in Guangdong, CN· patent location history
2011Patents assigned to CHEN PENG (1)· patent assignee history
2011Patents assigned to CHENG HUA-DONG (1)· patent assignee history
2011Patents assigned to LIAN WEN-CHUAN (1)· patent assignee history
2011Based in Taipei, TW· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HON HAI PREC IND CO LTD52010–2011
HONGFUJIN PREC IND SHENZHEN52010–2011
CHEN PENG12011
CHENG HUA-DONG12011
LIAN WEN-CHUAN12011
Locations
LocationPatentsSpan
Guangdong, CN42010–2011
Taipei, TW12011
Jhubei City, TW11994