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Inventor

Wen-Feng Cheng

Inventor
Taoyuan County, TW

Overview

19→
Patents
2002–2018
Patent span
Physics
Primary field (CPC G)

Patents· 19 as inventor

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

G02Bprimary
G02BOptical elements, systems or apparatus34%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein26%
G05GControl devices or systems insofar as characterised by mechanical features only5%
H01HElectric switches5%
Y10TTechnical subjects covered by former us classification5%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form3%
B62JCycle saddles or seats3%
B62KCycles3%
F21VFunctional features or details of lighting devices or systems thereof3%
H01CResistors3%
PatentTitleYear
9,860,990'Circuit board structure with chips embedded therein and manufacturing method thereof'20188,641,253'Light guide device and backlight module'20148,584,549'Throttle twist grip controller with ring potentiometer assembly'20138,430,552'Light guiding plate with curved reflecting microstructures'20138,403,549'Optical device with lenticular arrays, edge-type backlight module and direct-type backlight module'20138,371,735'Multi-layer light guide apparatus'20138,270,082'Microstructure diffuser'20128,162,512'Optical sheet, manufacturing method thereof, and backlight assembly using the same'20127,954,983'Optical component, manufacturing method of the same and backlight module'20117,784,988'Diffusion plate and backlight module'20107,787,186'Light converging optical sheet'20107,740,394'Backlight module having two optical sheets'20107,684,118'Diffusion plate and diffusion plate assembly'20107,540,648'Diffusion plate assembly'20097,413,318'Direct type backlight module'20087,407,314'Keypad light guide'20087,292,767'Light guide plate and back light system using same'20077,067,753'Keypad light guide'20066,353,430'Gimbal mounted joy stick with z-axis switch'2002

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2006–2008Patents assigned to HON HAI PREC IND CO LTD (3)· patent assignee history
2006–2008Based in Tu-Cheng, TW· patent location history
2009–2014Patents assigned to ENTIRE TECHNOLOGY CO LTD (12)· patent assignee history
2009–2012Based in Taoyuan County, TW· patent location history
2012–2014Patents assigned to CHENG WEN-FENG (5)· patent assignee history
2012–2014Patents assigned to CHEN YAN-ZUO (3)· patent assignee history
2013Patents assigned to CHEN YAN ZUO (3)· patent assignee history
2013–2018Based in Taipei, TW· patent location history
2013–2014Based in Taoyuan, TW· patent location history
2013Based in Kaohsiung, TW· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
ENTIRE TECHNOLOGY CO LTD122009–2014
CHENG WEN-FENGself52012–2014
CHEN YAN ZUO32013
CHEN YAN-ZUO32012–2014
HON HAI PREC IND CO LTD32006–2008
Locations
LocationPatentsSpan
Taoyuan County, TW62009–2012
Tu-Cheng, TW42006–2008
Taipei, TW22013–2018
Taoyuan, TW22013–2014
Kaohsiung, TW12013