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Inventor

Chen-Chen Cheng

Inventor
Taichung, TW

Overview

15→
Patents
2004–2021
Patent span
Performing operations
Primary field (CPC B)

Patents· 15 as inventor

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

B25Fprimary
B25FCombination or multi-purpose tools not otherwise provided for24%
B05CApparatus for applying fluent materials to surfaces, in general19%
B24BMachines, devices, or processes for grinding or polishing10%
B25BTools or bench devices not otherwise provided for, for fastening, connecting, disengaging, or holding10%
LOC0810%
A61BDiagnosis5%
B05BSpraying apparatus5%
H01LSemiconductor devices5%
H10DInorganic electric semiconductor devices5%
H10HInorganic light-emitting semiconductor devices having potential barriers5%
PatentTitleYear
11,121,261Semiconductor substrate202110,005,098Power operated dispensing tool20189,980,736Detachable medical electric tool20189,919,401'Handheld abrader'20188,646,657'Electric caulking gun'20148,573,450'Electrical caulking gun'20137,735,398'Rechargeable motor-driven ratchet wrench having power-off protection'20107,637,392'Electric caulking gun'20097,604,528'Electric grinding gun'20097,121,362'Electrical hand tool with a position adjustable battery pack'2006D0508387'Cordless electric ratchet wrench'20056,915,721'Cordless ratchet wrench'2005D0506375'Cordless electric ratchet wrench'20056,860,342'Tool housing with protective pads'20056,817,424'Adjustable housing for a hand tool'2004

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2004–2018Patents assigned to TECHWAY IND CO LTD (14)· patent assignee history
2004–2018Based in Taichung, TW· patent location history
2013–2014Patents assigned to CHENG CHEN-CHEN (2)· patent assignee history
2013–2014Patents assigned to HSU CHIH-HUA (2)· patent assignee history
2013–2014Patents assigned to LIN RUI-HENG (2)· patent assignee history
2021Patents assigned to AU OPTRONICS CORP (1)· patent assignee history
2021Based in Hsinchu, TW· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
TECHWAY IND CO LTD142004–2018
CHENG CHEN-CHENself22013–2014
HSU CHIH-HUA22013–2014
LIN RUI-HENG22013–2014
AU OPTRONICS CORP12021
Locations
LocationPatentsSpan
Taichung, TW142004–2018
Hsinchu, TW12021