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Inventor

Hwan-cheol No

Inventor
Suwon-si, KR

Overview

4→
Patents
1992–2021
Patent span
Electricity
Primary field (CPC H)

Patents· 4 as inventor

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

H01Jprimary
H01JElectric discharge tubes or discharge lamps60%
A61KPreparations for medical, dental or toiletry purposes20%
C12NMicroorganisms or enzymes20%
PatentTitleYear
11,066,638Method of preparing bacterial ghosts from gram-positive bacteria by hydrochloric acid treatment20216,310,433'Inner shield for a cathode ray tube and method for manufacturing the same'20015,126,622'Dispenser cathode'19925,115,164'Dispenser cathode'1992

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1992Patents assigned to SAMSUNG ELECTRONIC DEVICES (2)· patent assignee history
1992Based in Suwon-si, KR· patent location history
2001Patents assigned to SAMSUNG DISPLAY DEVICES CO LTD (1)· patent assignee history
2001Based in Kyungki-do, KR· patent location history
2021Patents assigned to PAICHAI UNIV INDUSTRY ACADEMIC COOPERATION FOUNDATION (1)· patent assignee history
2021Based in Daejeon, KR· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SAMSUNG ELECTRONIC DEVICES21992
PAICHAI UNIV INDUSTRY ACADEMIC COOPERATION FOUNDATION12021
SAMSUNG DISPLAY DEVICES CO LTD12001
Locations
LocationPatentsSpan
Suwon-si, KR21992
Daejeon, KR12021
Kyungki-do, KR12001