Inventor
YANAGAWA KOICHI
JP8 patents
⚠️ This page may combine multiple inventors who share the name “YANAGAWA KOICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HEWLETT PACKARD CO
4 patentsUS5661404AAug 26, 1997
Circuit network measurement device and calibration method
HEWLETT PACKARD CO31 citations92
US5014012AMay 7, 1991
D.C. biasing apparatus
HEWLETT PACKARD CO7 citations70
US4885528ADec 5, 1989
Apparatus which uses a simulated inductor in the measurement of an electrical parameter of a device under test
HEWLETT PACKARD CO19 citations70
US5523693AJun 4, 1996
Balanced signal source
HEWLETT PACKARD CO4 citations61