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Inventor

Yeh-Tseng Li

Inventor
Zhubei City, TW

Overview

3→
Patents
2000–2016
Patent span
Performing operations
Primary field (CPC B)

Patents· 3 as inventor

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

B81Bprimary
B81BMicrostructural devices or systems, e.g. micromechanical devices20%
B81CProcesses or apparatus specially adapted for the manufacture or treatment of microstructural devices or systems20%
B82YSpecific uses or applications of nanostructures20%
G01NInvestigating or analysing materials by determining their chemical or physical properties20%
G02BOptical elements, systems or apparatus10%
G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices10%
PatentTitleYear
9,493,347'Method of forming a semiconductor device'20168,883,021'MEMS nanostructures and methods of forming the same'20146,055,107'Diffractive lens and preparation method thereof'2000

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2000Patents assigned to IND TECH RES INST (1)· patent assignee history
2000Based in Hsinchu, TW· patent location history
2014Patents assigned to CHANG ALLEN TIMOTHY (1)· patent assignee history
2014Patents assigned to CHANG YI-HSIEN (1)· patent assignee history
2014Patents assigned to CHEN CHING-RAY (1)· patent assignee history
2014Patents assigned to CHENG CHUN-REN (1)· patent assignee history
2014–2016Based in Zhubei City, TW· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CHANG ALLEN TIMOTHY12014
CHANG YI-HSIEN12014
CHEN CHING-RAY12014
CHENG CHUN-REN12014
IND TECH RES INST12000
Locations
LocationPatentsSpan
Zhubei City, TW22014–2016
Hsinchu, TW12000