Inventor · Daejeon, KR

Hyo-Hoon Park

27Patents
8h-index
48Co-inventors
75Inventor score

Filing activity: Dec 19, 1994 → Sep 27, 2023

Most-cited inventions

PatentTitleAreaCited byStatus
US7239767B2 Packaging apparatus for optical interconnection on optical printed circuit board Electricity 25 Expired
US5770851A Compact optical logic operator array Physics 20 Expired
US7136551B2 Optical printed circuit board and optical interconnection block using optical fiber bundle Electricity 15 Expired
US5773319A Method for producing a hydrogenated vertical-cavity surface-emitting laser Electricity 13 Expired
US6343090B1 Single mode surface emitting laser Electricity 12 Expired
US7062144B2 Architecture of connecting optical PCB, transceiver modules for optical PCB and optical connection block Physics 11 Expired
US6529317B2 L-band erbium-doped fiber amplifier pumped by 1530 nm-band pump Electricity 8 Expired
US5661076A Method for fabricating a vertical-cavity surface-emitting laser diode Electricity 8 Expired
US5554061A Method for making a vertical resonant surface-emitting micro-laser Electricity 6 Expired
US9570415B2 Chip packaging method and chip package using hydrophobic surface Electricity 6 Active
US5939729A Optical controlled resonant tunneling diode Electricity 6 Expired
US8285087B2 Optical interconnection system using optical printed circuit board having one-unit optical waveguide integrated therein Electricity 5 Active
US5895224A Three-dimensional cavity surface emitting laser structure and fabrication method thereof Electricity 3 Expired
US5888842A Method of manufacturing polarization-controlled surface emitting laser array Electricity 3 Expired
US6482665B1 Polarization switching surface-emitting laser and a method of manufacturing the same Electricity 2 Expired
US8428459B2 Optical I/O bus system Electricity 1 Active
US8224185B2 USB compatible apparatus for connecting between optical USB device and electrical USB device Physics 0 Active
US9213214B2 Optical path-changing device having curved waveguide Electricity 0 Active
US9477044B2 3-dimensional optical interconnection structure using branched waveguides Physics 0 Active
US11640030B2 Optical phased array chip using MEMS switch and manufacturing method thereof Physics 0 Active
US11609330B2 Silicon-opa-based lidar for measuring distance using quasi-frequency modulation Physics 0 Active
US7603039B2 Bidirectional optical signal transmitting and receiving system with a single main amplifier Electricity 0 Active
US9740078B2 Photonic phased array antenna Physics 0 Active
US10103418B2 First EM-tunnel embedded in a first PCB and free space coupled to a second EM-tunnel embedded in a second PCB Electricity 0 Active
US12147143B2 Optical phased array radiator Physics 0 Active

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