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Inventor

Ching-Chang Wang

Inventor
Taichung, TW

Overview

21→
Patents
1983–2018
Patent span
LOC
Primary field

Patents· 21 as inventor

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

A47Cprimary
A47CChairs27%
LOC1419%
LOC0612%
LOC138%
A45CPurses4%
B29CShaping or joining of plastics4%
B60WConjoint control of vehicle sub-units of different type or different function4%
F04DNon-positive-displacement pumps4%
F16BDevices for fastening or securing constructional elements or machine parts together, e.g. nails, bolts, circlips, clamps, clips or wedges4%
G06FElectric digital data processing4%
PatentTitleYear
10,143,310Rotary positioning device for armrest assembly20189,700,145'Quick assembly armrest connecting device'20178,944,511'Armrest assembly'20158,597,000'Structural improvement of a canned motor pump'20138,287,046'Easy-to-assemble/recycle armrest'20128,256,612'Protective frame for portable electronic devices'2012D0580424'Lens cover for a mobile phone'20087,435,079'Angular ejector mechanism and injection mold with the same'2008D0558170'Foldable mobile phone'2007D0545317'Game controller enclosure'2007D0539258'Mobile phone'2007D0539259'Cellular phone'2007D0531581'USB plug'2006D0531125'Adapter receptacle'20066,976,739'Armrest assembly'2005D0506337'Armrest'2005D0471388'Armrest'20036,517,158'Height-adjustable armrest assembly'20036,161,900'Adjustable and detachable armrest for chairs'2000D0431402'Armrest for chairs'20004,366,889'Automatically and manually operable gear shifter'1983

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2000–2013Patents assigned to WANG CHING-CHANG (4)· patent assignee history
2000–2018Based in Taichung, TW· patent location history
2006–2008Patents assigned to CHENG UEI PREC IND CO LTD (8)· patent assignee history
2006–2008Based in Tu-Cheng, TW· patent location history
2007Based in Xindian, TW· patent location history
2012–2015Patents assigned to CHUAN HSING CHEMICAL INDUSTRY CO LTD (2)· patent assignee history
2012Based in Tainan, TW· patent location history
2013Patents assigned to ASSOMA INC (1)· patent assignee history
2013Based in Taoyuan, TW· patent location history
2017–2018Patents assigned to CHUAN HSING CHEMICAL IND CO LTD (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CHENG UEI PREC IND CO LTD82006–2008
WANG CHING-CHANGself42000–2013
CHUAN HSING CHEMICAL IND CO LTD22017–2018
CHUAN HSING CHEMICAL INDUSTRY CO LTD22012–2015
ASSOMA INC12013
Locations
LocationPatentsSpan
Taichung, TW102000–2018
Tu-Cheng, TW72006–2008
Taoyuan, TW12013
Tainan, TW12012
Xindian, TW12007