Inventor

Chuan-Te Cheng

Inventor
Hsinchu, TW

Overview

29→
Patents
1986–2020
Patent span
Physics
Primary field (CPC G)

Patents· 29 as inventor

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

G02Bprimary
G02BOptical elements, systems or apparatus46%
G03BApparatus or arrangements for taking photographs or for projecting or viewing them29%
H04NPictorial communication, e.g. television15%
F21VFunctional features or details of lighting devices or systems thereof6%
F21SNon-portable lighting devices2%
G09GArrangements or circuits for control of indicating devices using static means to present variable information2%
PatentTitleYear
10,877,252Fixed-focus projection lens202010,871,613Optical waveguide apparatus and display202010,859,891Projection device and imaging module thereof202010,768,513Projection device and projection method202010,754,162Projection apparatus and head-mounted display device202010,545,394Projection device having adjusting structure202010,545,398Projection device with adjusting structure for moving directions of projection image202010,466,479Head-mounted display apparatus and optical system201910,422,997Head-mounted display device201910,409,066Head-mounted display device with waveguide elements201910,101,644Illumination system and projection apparatus20189,915,810'Projection apparatus and projection lens with three lens groups'20189,798,118'Projection display apparatus and projection lens module thereof'20179,791,680'Projection apparatus and projection lens'20179,733,457'Zoom lens'20179,720,215'Zoom lens'20179,696,615'Projector and light integration rod thereof'20179,594,233'Zoom lens'20179,482,937'Illumination system and projection apparatus'20169,470,874'Fixed-focus lens'20169,028,073'Projection apparatus'20158,982,470'Projection apparatus'20158,696,165'Dynamic mask and illumination system'20148,322,866'Dual lamp illumination system and its varifocal light-mixing device'20127,367,687'Illumination system'20087,347,569'Correcting apparatus for projection system'20087,322,719'Illumination system'20086,407,871'Optical device for eliminating stray light'2002D0285929'Light grinding machine'1986

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1986Based in Changhua County, TW· patent location history
2002–2020Patents assigned to CORETRONIC CORP (28)· patent assignee history
2002Based in Hsin Chu, TW· patent location history
2008Based in Miao-Li County, TW· patent location history
2008Based in Miaoli, TW· patent location history
2012–2016Patents assigned to CHENG CHUAN-TE (5)· patent assignee history
2012–2020Based in Hsinchu, TW· patent location history
2014Patents assigned to LIN HUI-CHEN (1)· patent assignee history
2015Patents assigned to KUO TAO-HUNG (2)· patent assignee history
2015Patents assigned to HSIEH TIEN-LIANG (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CORETRONIC CORP282002–2020
CHENG CHUAN-TEself52012–2016
KUO TAO-HUNG22015
HSIEH TIEN-LIANG12015
LIN HUI-CHEN12014
Locations
LocationPatentsSpan
Hsinchu, TW242012–2020
Miao-Li County, TW22008
Miaoli, TW12008
Hsin Chu, TW12002
Changhua County, TW11986