Inventor

Yung N. Lee

Inventor
Ponca City, OK, US

Overview

6→
Patents
1991–2021
Patent span
Chemistry
Primary field (CPC C)

Patents· 6 as inventor

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

C09Kprimary
C09KMaterials for miscellaneous applications, not provided for elsewhere22%
F17DPipe-line systems22%
C08JWorking-up11%
Y10TTechnical subjects covered by former us classification11%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds6%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients6%
C08LCompositions of macromolecular compounds6%
G02BOptical elements, systems or apparatus6%
G06TImage data processing or generation, in general6%
G09GArrangements or circuits for control of indicating devices using static means to present variable information6%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1991–2001Patents assigned to CONOCO INC (4)· patent assignee history
1991–2001Based in Ponca City, OK, US· patent location history
1996Patents assigned to CONOCO IN (1)· patent assignee history
2021Patents assigned to IND TECH RES INST (1)· patent assignee history
2021Based in Tainan, TW· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CONOCO INC41991–2001
CONOCO IN11996
IND TECH RES INST12021
Locations
LocationPatentsSpan
Ponca City, OK, US51991–2001
Tainan, TW12021