Inventor
CHO FREDERICK Y
US29 patents
⚠️ This page may combine multiple inventors who share the name “CHO FREDERICK Y”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MOTOROLA INC
26 patentsUS5265267ANov 23, 1993
Integrated circuit including a surface acoustic wave transformer and a balanced mixer
MOTOROLA INC69 citations96
US4701008AOct 20, 1987
Optical waveguide including superstrate of niobium or silicon oxynitride and method of making same
MOTOROLA INC116 citations96
US4652290AMar 24, 1987
Method for making optical channel waveguides and product manufactured thereby
MOTOROLA INC116 citations96
US5237235AAug 17, 1993
Surface acoustic wave device package
MOTOROLA INC69 citations95
US5212115AMay 18, 1993
Method for microelectronic device packaging employing capacitively coupled connections
MOTOROLA INC72 citations94
US5296824AMar 22, 1994
Low loss wide bandwidth parallel channel acoustic filter
MOTOROLA INC20 citations92
US5254962AOct 19, 1993
Combined acoustic wave device and ceramic block filter structure
MOTOROLA INC20 citations80
US5420472AMay 30, 1995
Method and apparatus for thermal coefficient of expansion matched substrate attachment
MOTOROLA INC12 citations74
US5270606ADec 14, 1993
Processing robust acoustic reflectors
MOTOROLA INC10 citations73
US4686111AAug 11, 1987
Passivated and low scatter acoustic wave devices and method thereof
MOTOROLA INC9 citations73
US4450374AMay 22, 1984
Oxygen-plasma passivated and low scatter acoustic wave devices
MOTOROLA INC15 citations73
USD359960SJul 4, 1995
Clip-on earpiece for a portable handset telephone
MOTOROLA INC15 citations72
US4506239AMar 19, 1985
Compound surface acoustic wave matched filters
MOTOROLA INC15 citations72
US4434383AFeb 28, 1984
Temperature stable surface acoustic wave device
MOTOROLA INC18 citations72
US4400640AAug 23, 1983
Temperature stable cuts of quartz
MOTOROLA INC10 citations72
US5475311ADec 12, 1995
Ionization gas analyzer and method
MOTOROLA INC11 citations71
US5119172AJun 2, 1992
Microelectronic device package employing capacitively coupled connections
MOTOROLA INC12 citations71
US5301420AApr 12, 1994
Method for manufacturing a light weight circuit module
MOTOROLA INC12 citations69
US4612274ASep 16, 1986
Electron beam/optical hybrid lithographic resist process in acoustic wave devices
MOTOROLA INC11 citations69
US5212420AMay 18, 1993
Method and apparatus for surface acoustic wave reflector grating
MOTOROLA INC8 citations68
US5514626AMay 7, 1996
Method for reducing heterostructure acoustic charge transport device saw drive power requirements
MOTOROLA INC5 citations62
US5327626AJul 12, 1994
Method for processing robust acoustic reflectors
MOTOROLA INC3 citations62
US5073807ADec 17, 1991
Method and apparatus for achieving multiple acoustic charge transport device input contacts
MOTOROLA INC3 citations62
US5155406AOct 13, 1992
Multiple nearest neighbor filter bank
MOTOROLA INC3 citations61
USRE35191EMar 26, 1996
Method for reducing heterostructure acoustic charge transport device SAW drive power requirements
MOTOROLA INC0 citations51
US5070271ADec 3, 1991
Multi-dimensional acoustic charge transport device
MOTOROLA INC1 citations51