Inventor
Hong-gyu Choi
Inventor
Kyonggi-do, KR
Overview
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 lamps43%
C12NMicroorganisms or enzymes14%
C12PFermentation or enzyme-using processes to synthesise a desired chemical compound or composition or to separate optical isomers from a racemic mixture14%
G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices14%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests14%
PatentTitleYear
6,139,996'Color filter solution for a cathode ray tube and method for patterning a color filter'20005,733,163'Shadow mask including electron reflection layer and method for manufacturing the same'19985,587,201'Filming composition for cathode ray tube and method of manufacturing screen using the same'19965,304,475'Method for production of L-phenylalanine by recombinant E. coli'1994Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1994Patents assigned to MIWON CO LTD (1)· patent assignee history
1994Based in Seoul, KR· patent location history
1996–2000Patents assigned to SAMSUNG DISPLAY DEVICES CO LTD (3)· patent assignee history
1996Based in Hwaseong-si, KR· patent location history
1998Based in Suwon-si, KR· patent location history
2000Based in Kyonggi-do, KR· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SAMSUNG DISPLAY DEVICES CO LTD | 3 | 1996–2000 |
| MIWON CO LTD | 1 | 1994 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kyonggi-do, KR | 1 | 2000 |
| Suwon-si, KR | 1 | 1998 |
| Hwaseong-si, KR | 1 | 1996 |
| Seoul, KR | 1 | 1994 |