Inventor
Kyung-Hwan Choi
Inventor
Suwon-si, KR
Overview
Patents· 9 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G11Bprimary
G11BInformation storage based on relative movement between record carrier and transducer25%
H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy13%
H04NPictorial communication, e.g. television13%
H05BElectric heating13%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution13%
A47CChairs6%
A61HPhysical therapy apparatus, e.g. devices for locating or stimulating reflex points in the body6%
F24CDomestic stoves or ranges6%
G05BControl or regulating systems in general6%
PatentTitleYear
9,118,041'Direct liquid feed fuel cell system'20158,247,132'Heat recovery apparatus and fuel cell having the same'20127,111,247'Device and method for controlling menu display of microwave oven'20066,353,214'Automatic cooking compensation apparatus of microwave oven and method thereof'20025,986,829'Digital recording and reproducing apparatus for high-speed copying of tape'19995,913,007'Envelope detection apparatus for video cassette recorder'19995,702,625'Encoder key input device for a microwave oven and interrupt processing method using the same'19975,576,842'Data detection method and apparatus therefor for use in a digital recording/reproduction system'19965,381,276'Optimum recording/reproducing apparatus'1995Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1995–1999Patents assigned to SAMSUNG ELECTRONICS CO LTD (4)· patent assignee history
1995–2015Based in Suwon-si, KR· patent location history
1997–2006Patents assigned to LG ELECTRONICS INC (3)· patent assignee history
1997Based in Seoul, KR· patent location history
2002–2006Based in Changwon-si, KR· patent location history
2012–2015Patents assigned to SAMSUNG SDI CO LTD (2)· patent assignee history
2012Patents assigned to CHOI KYUNG-HWAN (1)· patent assignee history
2015Patents assigned to CHOI KYUNG HWAN (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SAMSUNG ELECTRONICS CO LTD | 4 | 1995–1999 |
| LG ELECTRONICS INC | 3 | 1997–2006 |
| SAMSUNG SDI CO LTD | 2 | 2012–2015 |
| CHOI KYUNG HWANself | 1 | 2015 |
| CHOI KYUNG-HWANself | 1 | 2012 |
Locations
| Location | Patents | Span |
|---|---|---|
| Suwon-si, KR | 6 | 1995–2015 |
| Changwon-si, KR | 2 | 2002–2006 |
| Seoul, KR | 1 | 1997 |