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Inventor

Seon-Woong Hwang

Inventor
Anyang-si, KR

Overview

26→
Patents
1997–2012
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 26 as inventor

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

F04Cprimary
F04CRotary-piston, or oscillating-piston, positive-displacement machines for liquids40%
H04WWireless communication networks10%
G08BSignalling systems, e.g. personal calling systems5%
H04BTransmission5%
Y02DClimate change mitigation technologies in information and communication technologies [ict], i.e. information and communication technologies aiming at the reduction of their own energy use5%
A47GHousehold or table equipment2%
A63BApparatus for physical training, gymnastics, swimming, climbing, or fencing2%
F01CRotary-piston or oscillating-piston machines or engines2%
F04BPositive-displacement machines for liquids2%
F05CIndexing scheme relating to materials, material properties or material characteristics for machines, engines or pumps other than non-positive-displacement machines or engines2%
PatentTitleYear
8,177,522'Mode changing apparatus for a scroll compressor'20127,976,287'Capacity variable type twin rotary compressor and driving method thereof'20117,862,313'Compressor and oil separating device therefor'20117,850,627'Exercise machine'20107,665,973'Apparatus for changing capacity of multi-stage rotary compressor'20107,651,323'Smart control valve for compressors'20107,381,038'Capacity-changing unit of orbiting vane compressor'20087,374,410'Low-pressure type orbiting vane compressor'20087,367,790'Double-acting type orbiting vane compressor'20087,364,417'Compression unit of orbiting vane compressor'20087,361,003'Slider adapting apparatus for orbiting vane compressors'20087,361,004'Compression unit of orbiting vane compressor'20087,341,437'Capacity-changing unit of orbiting vane compressor'20087,329,107'Oil supply structure for slider of orbiting vane compressor'20087,309,220'Back pressure apparatus for orbiting vane compressors'20077,300,266'Orbiting vane compressor incorporating orbiting vane with oil supply function'20077,293,968'Capacity-changing unit of orbiting vane compressor'20077,103,393'Sound output system and method of a mobile communication terminal'20067,023,326'Vibration apparatus for a mobile telecommunication terminal and method for controlling the same'20066,051,958'Apparatus and method for charging rechargeable battery using charge characteristic of two-way pager'20005,929,772'Data processing device and method for use in a paging receiver'19995,920,271'Radio pager for displaying text message in different fonts and method thereof'19995,907,795'Battery saving radio paging signal transmitting and receiving system'19995,822,689'Circuit and method using data synchronization for battery power conservation in a paging receiver'19985,808,542'Alarm tone generating circuit for a radio paging receiver'19985,667,372'Rolling piston rotary compressor formed with lubrication grooves'1997

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1997–2012Patents assigned to LG ELECTRONICS INC (18)· patent assignee history
1997–2010Based in Kyungki-do, KR· patent location history
1998–2006Patents assigned to SAMSUNG ELECTRONICS CO LTD (8)· patent assignee history
1999Based in Yongin, KR· patent location history
2000–2006Based in Suwon-si, KR· patent location history
2007–2010Based in Anyang-si, KR· patent location history
2010–2012Based in Seoul, KR· patent location history
2012Patents assigned to HWANG SEON-WOONG (1)· patent assignee history
2012Patents assigned to KIEM MYUNG-KYUN (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
LG ELECTRONICS INC181997–2012
SAMSUNG ELECTRONICS CO LTD81998–2006
HWANG SEON-WOONGself12012
KIEM MYUNG-KYUN12012
Locations
LocationPatentsSpan
Anyang-si, KR122007–2010
Kyungki-do, KR51997–2010
Seoul, KR32010–2012
Suwon-si, KR32000–2006
Yongin, KR21999