Inventor
ITAYA EIJI
12 patents
⚠️ This page may combine multiple inventors who share the name “ITAYA EIJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FUJITSU LTD
9 patentsUS5903592AMay 11, 1999
Radio transmission system
FUJITSU LTD100 citations97
US5548811AAug 20, 1996
Automatic frequency control circuit selectively using frequency-divided local oscillator signal or pilot signal
FUJITSU LTD22 citations92
US5442811AAug 15, 1995
Loop testable radio transmitters/receivers
FUJITSU LTD45 citations92
US5257415AOct 26, 1993
Automatic transmission level control device
FUJITSU LTD45 citations92
US4394626AJul 19, 1983
Phase synchronizing circuit
FUJITSU LTD28 citations92
US5235292AAug 10, 1993
Signal generator having backup oscillator switching circuit
FUJITSU LTD14 citations73
US4625180ANov 25, 1986
Intermittently operated frequency synthesizer having suppressed frequency instability
FUJITSU LTD19 citations73
US4114710ASep 19, 1978
Carrier regeneration circuit
FUJITSU LTD12 citations73
US4968951ANov 6, 1990
Phase locked loop having circuit for recovering from oscillation stoppage
FUJITSU LTD1 citations52