Inventor

Richard K. Lee

Inventor

Singaporean, SG

Overview

1976–2009

Patent span

Electricity

Primary field (CPC H)

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

LOC01primary

LOC0125%

A61FFilters implantable into blood vessels6%

A61JContainers specially adapted for medical or pharmaceutical purposes6%

A61MDevices for introducing media into, or onto, the body6%

B01JChemical or physical processes, e.g. catalysis or colloid chemistry6%

C01FCompounds of the metals beryllium, magnesium, aluminium, calcium, strontium, barium, radium, thorium, or of the rare-earth metals6%

C01PIndexing scheme relating to structural and physical aspects of solid inorganic compounds6%

G01NInvestigating or analysing materials by determining their chemical or physical properties6%

H04MTelephonic communication6%

H04QSelecting6%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1976Patents assigned to UNIVERSAL OIL PROD CO (1)· patent assignee history

1997Patents assigned to AAT LAB INC (1)· patent assignee history

1997Based in Jhubei City, TW· patent location history

1999Patents assigned to LUCENT TECHNOLOGIES INC (1)· patent assignee history

2005–2006Patents assigned to AALST CHOCOLATE PTE LTD (4)· patent assignee history

2005–2006Based in Singaporean, SG· patent location history

2005–2006Based in Singapore, SG· patent location history

2007–2009Patents assigned to UNITED MICROELECTRONICS CORP (2)· patent assignee history

2007Based in Hsinchu County, TW· patent location history

2009Based in Taichung, TW· patent location history

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
AALST CHOCOLATE PTE LTD	4	2005–2006
UNITED MICROELECTRONICS CORP	2	2007–2009
AAT LAB INC	1	1997
LUCENT TECHNOLOGIES INC	1	1999
UNIVERSAL OIL PROD CO	1	1976

Locations