Inventor

Wen-Chang Wang

Inventor
Tainan, TW

Overview

20→
Patents
1991–2018
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 20 as inventor

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

Y10Tprimary
Y10TTechnical subjects covered by former us classification9%
F04DNon-positive-displacement pumps6%
F16KValves6%
F21SNon-portable lighting devices6%
F21VFunctional features or details of lighting devices or systems thereof6%
LOC156%
LOC236%
A01KAnimal husbandry3%
B60NSeats specially adapted for vehicles3%
B65FGathering or removal of domestic or like refuse3%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1991–2018Patents assigned to WANG WEN CHANG (12)· patent assignee history
1991–2018Based in Tainan, TW· patent location history
2005–2007Patents assigned to WANG WEN-CHANG (5)· patent assignee history
2018Patents assigned to LIN WANJIONG (2)· patent assignee history
2018Patents assigned to SELF ELECTRONICS CO LTD (2)· patent assignee history
2018Patents assigned to SELF ELECTRONICS USA CORP (2)· patent assignee history
2018Based in Zhejiang, CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
WANG WEN CHANGself121991–2018
WANG WEN-CHANGself52005–2007
LIN WANJIONG22018
SELF ELECTRONICS CO LTD22018
SELF ELECTRONICS USA CORP22018
Locations
LocationPatentsSpan
Tainan, TW181991–2018
Zhejiang, CN22018