LexDanaLexDanabeta
Inventor

Seungjoon Lee

Inventor
Suwon-si, KR

Overview

2→
Patents
2013–2021
Patent span
Chemistry
Primary field (CPC C)

Patents· 2 as inventor

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

B01Dprimary
B01DSeparation14%
C10GCracking hydrocarbon oils14%
C10MLubricating compositions14%
C10NIndexing scheme associated with subclass c10m relating to lubricating compositions14%
G06FElectric digital data processing14%
G09FDisplaying14%
H04MTelephonic communication14%
PatentTitleYear
10,928,860Portable communication device including sealing member20218,562,819'Process to manufacture a base stock and a base oil manufacturing plant'2013

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2013Patents assigned to CHEVRON USA INC (1)· patent assignee history
2013Patents assigned to HELLING KATHY A (1)· patent assignee history
2013Patents assigned to LEE STEVE K (1)· patent assignee history
2013Patents assigned to LOK BRENT K (1)· patent assignee history
2013Patents assigned to ROSENBAUM JOHN M (1)· patent assignee history
2013Based in Oakland, CA, US· patent location history
2021Based in Suwon-si, KR· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CHEVRON USA INC12013
HELLING KATHY A12013
LEE STEVE Kself12013
LOK BRENT K12013
ROSENBAUM JOHN M12013
Locations
LocationPatentsSpan
Suwon-si, KR12021
Oakland, California, US12013