Inventor

Hsin-Wen Lee

Inventor

Taipei, TW

Overview

7→

Patents

2007–2021

Patent span

Performing operations

Primary field (CPC B)

Patents· 7 as inventor

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

B65Hprimary

B65HHandling thin or filamentary material, e.g. sheets, webs, cables44%

C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds22%

B01JChemical or physical processes, e.g. catalysis or colloid chemistry11%

C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium11%

H04NPictorial communication, e.g. television11%

PatentTitleYear

11,077,434Method of preparing metallocene catalyst for polyolefin preparation2021 11,072,670Catalyst composition and method for preparing olefin polymer using same2021 7,999,976'Automatic sheet-feeding scanning apparatus having movable guide rib device'2011 7,694,954'Sheet pick-up device'2010 7,516,953'Document feeder'2009 7,445,206'Sheet pick-up device'2008 7,264,240'Document feeder'2007

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2007–2011Patents assigned to PRIMAX ELECTRONICS LTD (5)· patent assignee history

2007–2011Based in Taipei, TW· patent location history

2021Patents assigned to LG CHEMICAL LTD (2)· patent assignee history

2021Based in Daejeon, KR· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
PRIMAX ELECTRONICS LTD	5	2007–2011
LG CHEMICAL LTD	2	2021

Locations

Location	Patents	Span
Taipei, TW	5	2007–2011
Daejeon, KR	2	2021