Inventor · Seongnam-si, KR

Yong-soo Oh

62Patents
11h-index
62Co-inventors
77Inventor score

Filing activity: Oct 29, 1997 → Jul 3, 2013

Most-cited inventions

PatentTitleAreaCited byStatus
US6391673B1 Method of fabricating micro electro mechanical system structure which can be vacuum-packed at wafer level Physics 85 Expired
US6561625B2 Bubble-jet type ink-jet printhead and manufacturing method thereof Emerging Cross-Sectional Technologies 42 Expired
US6127767A Complementary electrostatic driving apparatus for microactuator with parasitic capacitances offset Electricity 27 Expired
US6533399B2 Bubble-jet type ink-jet printhead and manufacturing method thereof Performing Operations; Transporting 21 Expired
US7104632B2 Monolithic ink-jet printhead and method for manufacturing the same Performing Operations; Transporting 20 Expired
US7018017B2 Monolithic ink-jet printhead having a heater disposed between dual ink chambers and method for manufacturing the same Emerging Cross-Sectional Technologies 19 Expired
US6676244B2 Bubble-jet type inkjet printhead Performing Operations; Transporting 16 Expired
US6663231B2 Monolithic nozzle assembly formed with mono-crystalline silicon wafer and method for manufacturing the same Performing Operations; Transporting 13 Expired
US6652077B2 High-density ink-jet printhead having a multi-arrayed structure Performing Operations; Transporting 13 Expired
US7275308B2 Method for manufacturing a monolithic ink-jet printhead Emerging Cross-Sectional Technologies 12 Expired
US8564556B2 Display device having capacitive touch screen Physics 12 Active
US7207662B2 Ink-jet printhead Performing Operations; Transporting 11 Expired
US6868605B2 Method of manufacturing a bubble-jet type ink-jet printhead Emerging Cross-Sectional Technologies 10 Expired
US6467348B1 Microgyroscope with two resonant plates Physics 10 Expired
US7264337B2 Ink ejecting method and ink-jet printhead utilizing the method Performing Operations; Transporting 9 Expired
US7163278B2 Ink-jet printhead with improved ink ejection linearity and operating frequency Performing Operations; Transporting 8 Expired
US6499832B2 Bubble-jet type ink-jet printhead capable of preventing a backflow of ink Performing Operations; Transporting 6 Expired
US6416172B2 Ink-jet head device with a multi-stacked PZT actuator Performing Operations; Transporting 6 Expired
US6478408B2 Ink-jet printhead having hemispherical ink chamber and method for manufacturing the same Emerging Cross-Sectional Technologies 6 Expired
US7169539B2 Monolithic ink-jet printhead having a tapered nozzle and method for manufacturing the same Performing Operations; Transporting 5 Expired
US7334335B2 Method of manufacturing a monolithic ink-jet printhead Emerging Cross-Sectional Technologies 5 Active
US7201461B2 Apparatus for controlling a temperature of an ink-jet printhead Performing Operations; Transporting 4 Expired
US8692791B2 Touch panel Physics 4 Active
US7178905B2 Monolithic ink-jet printhead Emerging Cross-Sectional Technologies 4 Expired
US6886919B2 Monolithic ink-jet printhead having a tapered nozzle and method for manufacturing the same Performing Operations; Transporting 4 Expired

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.