LexDanaLexDanabeta
Inventor

Yi-San Chang

Inventor
Tainan, TW

Overview

3→
Patents
2018–2021
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.

A61Bprimary
A61BDiagnosis8%
A61FFilters implantable into blood vessels8%
A61NElectrotherapy8%
B23DPlaning8%
B24BMachines, devices, or processes for grinding or polishing8%
B25BTools or bench devices not otherwise provided for, for fastening, connecting, disengaging, or holding8%
B25DPercussive tools8%
B25FCombination or multi-purpose tools not otherwise provided for8%
G01NInvestigating or analysing materials by determining their chemical or physical properties8%
G02BOptical elements, systems or apparatus8%
PatentTitleYear
11,110,583Power tools with integrated circuit boards202110,398,493Heating system201910,095,019Image scanning system for tissue slides2018

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2018Patents assigned to METAL IND RES & DEV CT (1)· patent assignee history
2018–2019Based in Tainan, TW· patent location history
2019Patents assigned to UNIV NAT CHENG KUNG (1)· patent assignee history
2021Patents assigned to TTI MACAO COMMERCIAL OFFSHORE LTD (1)· patent assignee history
2021Based in Dongguan, CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
METAL IND RES & DEV CT12018
TTI MACAO COMMERCIAL OFFSHORE LTD12021
UNIV NAT CHENG KUNG12019
Locations
LocationPatentsSpan
Tainan, TW22018–2019
Dongguan, CN12021