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Inventor

Kwang H. Cho

Inventor
Midlothian, VA, US

Overview

4→
Patents
1993–1998
Patent span
Human necessities
Primary field (CPC A)

Patents· 4 as inventor

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

A24Bprimary
A24BManufacture or preparation of tobacco for smoking or chewing50%
F02FCylinders, pistons or casings, for combustion engines17%
F16JPistons17%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests17%
PatentTitleYear
5,799,665'Process and apparatus for impregnation and expansion of tobacco'19985,671,930'Seal structure for cylinder heads'19975,649,552'Process and apparatus for impregnation and expansion of tobacco'19975,251,649'Process for impregnation and expansion of tobacco'1993

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1993–1997Patents assigned to PHILIP MORRIS INC (2)· patent assignee history
1993–1998Based in Midlothian, VA, US· patent location history
1997Patents assigned to KIA MOTORS CORP (1)· patent assignee history
1997Based in Kunpo, KR· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
PHILIP MORRIS INC21993–1997
KIA MOTORS CORP11997
Locations
LocationPatentsSpan
Midlothian, Virginia, US31993–1998
Kunpo, KR11997