Inventor

Wen-Chuan Ma

Inventor
Taoyuan County, TW

Overview

12→
Patents
2007–2021
Patent span
Human necessities
Primary field (CPC A)

Patents· 12 as inventor

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

H02Pprimary
H02PControl or regulation of electric motors, electric generators or dynamo-electric converters28%
G06FElectric digital data processing10%
A61KPreparations for medical, dental or toiletry purposes7%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests7%
A23BPreservation of foods, foodstuffs or non-alcoholic beverages3%
A23DEdible oils or fats, e.g. margarines, shortenings or cooking oils3%
A23KFodder3%
A23LFoods, foodstuffs or non-alcoholic beverages, not otherwise provided for3%
A23PShaping or working of foodstuffs, not fully covered by a single other subclass3%
A23VIndexing scheme relating to foods, foodstuffs or non-alcoholic beverages and lactic or propionic acid bacteria used in foodstuffs or food preparation3%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2007–2015Based in Taoyuan County, TW· patent location history
2008–2016Patents assigned to DELTA ELECTRONICS INC (9)· patent assignee history
2012–2014Patents assigned to MA WEN-CHUAN (4)· patent assignee history
2012–2014Patents assigned to TSAI MING-SHI (2)· patent assignee history
2013–2014Patents assigned to LIN CHIEN-SHENG (2)· patent assignee history
2013–2014Patents assigned to TANG ZONG-HONG (2)· patent assignee history
2016Based in Guishan Township, TW· patent location history
2021Based in Potomac, MD, US· patent location history
2021Based in Shaoxing, CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
DELTA ELECTRONICS INC92008–2016
MA WEN-CHUANself42012–2014
LIN CHIEN-SHENG22013–2014
TANG ZONG-HONG22013–2014
TSAI MING-SHI22012–2014
Locations
LocationPatentsSpan
Taoyuan County, TW92007–2015
Potomac, Maryland, US12021
Shaoxing, CN12021
Guishan Township, TW12016