Inventor
ASAWA CHARLES K
US15 patents
⚠️ This page may combine multiple inventors who share the name “ASAWA CHARLES K”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TRW INC
8 patentsUS4421979ADec 20, 1983
Microbending of optical fibers for remote force measurement
TRW INC79 citations96
US4477725AOct 16, 1984
Microbending of optical fibers for remote force measurement
TRW INC87 citations93
US5003623AMar 26, 1991
Bimodal intrusion detection in an optical fiber communication system using graded index fiber
TRW INC28 citations92
US4817205AMar 28, 1989
Bimodal optical fiber communication system using graded index fiber
TRW INC30 citations92
US4637683AJan 20, 1987
Method for aligning optical fiber connectors
TRW INC29 citations92
US4463254AJul 31, 1984
Microbending of optical fibers for remote force measurement
TRW INC37 citations92
US4459477AJul 10, 1984
Microbending of optical fibers for remote force measurement
TRW INC54 citations91
US4942623AJul 17, 1990
Device and method for modal separation and combination in an optical fiber intrusion detection system
TRW INC17 citations74
(unassigned)
4 patentsUS6185346B1Feb 6, 2001
Propagation in lowest order modes of multimode graded index fiber, resulting in: very low transmission loss, low modal noise, high data security, and high data rate capabilities
113 citations95
US5818986AOct 6, 1998
Angular Bragg reflection planar channel waveguide wavelength demultiplexer
64 citations93
US5712937AJan 27, 1998
Optical waveguide including singlemode waveguide channels coupled to a multimode fiber
139 citations92
US6487338B2Nov 26, 2002
Profile matching fiber patchcord for fundamental mode excitation in graded-index multimode fiber
39 citations90
HUGHES AIRCRAFT CO
3 patentsUS4214165AJul 22, 1980
Pyroelectric IR detector with signal capacitively coupled to an output circuit
HUGHES AIRCRAFT CO24 citations82
US4087689AMay 2, 1978
Boresighting system for infrared optical receiver and transmitter
HUGHES AIRCRAFT CO28 citations82
US4085387AApr 18, 1978
Stark-tuned laser modulator
HUGHES AIRCRAFT CO9 citations70