JL

John K. Liu

Caltech: 12 patents #169 of 4,321Top 4%
NASA: 2 patents #707 of 3,881Top 20%
PD Plume Design: 1 patents #64 of 108Top 60%
📍 New Taipei, CA: #114 of 308 inventorsTop 40%
Overall (All Time): #262,682 of 4,157,543Top 7%
17
Patents All Time

Issued Patents All Time

Showing 1–17 of 17 patents

Patent #TitleCo-InventorsDate
12230894 Integrated sheet-metal antenna with carrier screw which operates as a ground feed and provides mechanical support in an electronic device Miroslav Samardzija, Tommy Chu, Liem Hieu Dinh Vo 2025-02-18
7745815 Polarization-sensitive quantum well infrared photodetector focal plane array Sumith V. Bandara, Sarath D. Gunapala 2010-06-29
7238094 Belt oscillating apparatus of belt sander 2007-07-03
7211820 Quantum well sensor having spatially separated sensing columns Sarath D. Gunapala, Sumith V. Bandara, Daniel W. Wilson 2007-05-01
7129104 Wavelength-insensitive radiation coupling for multi-quantum well sensor based on intersubband absorption Sarath D. Gunapala, Sumith V. Bandara 2006-10-31
6734452 Infrared radiation-detecting device Sarath D. Gunapala, Jin Seo Park, True-Lon Lin, Mani Sundaram 2004-05-11
6674091 Multi-quantum-well detector for low-background applications Sarath D. Gunapala, Sumith V. Bandara, Sir B. Rafol, David Z. Ting, Jason M. Mumolo 2004-01-06
6580089 Multi-quantum-well infrared sensor array in spatially-separated multi-band configuration Sumith V. Bandara, Sarath D. Gunapala, David Z. Ting 2003-06-17
6545289 Wavelength-insensitive radiation coupling for multi-quantum well sensor based on intersubband absorption Sarath D. Gunapala, Sumith V. Bandara 2003-04-08
6521967 Three color quantum well infrared photodetector focal plane array Sumith V. Bandara, Daniel W. Wilson, Sarath D. Gunapala, William J. Parrish 2003-02-18
6423980 Multi-directional radiation coupling in quantum-well infrared photodetectors Daniel W. Wilson, Sumith V. Bandara, Sarath D. Gunapala 2002-07-23
6271537 Slotted quantum well sensor Sarath D. Gunapala, Sumith V. Bandara, Daniel W. Wilson 2001-08-07
6211529 Infrared radiation-detecting device Sarath D. Gunapala, Jin Seo Park, True-Lon Lin, Mani Sundaram 2001-04-03
6184538 Dual-band quantum-well infrared sensing array having commonly biased contact layers Sumith V. Bandara, Sarath D. Gunapala 2001-02-06
5800700 Sludge supernatant decanting device 1998-09-01
5094974 Growth of III-V films by control of MBE growth front stoichiometry Frank J. Grunthaner, Bruce R. Hancock 1992-03-10
5091335 MBE growth technology for high quality strained III-V layers Frank J. Grunthaner, Bruce R. Hancock 1992-02-25