Inventor
YATSUZUKA YOHTARO
JP9 patents
⚠️ This page may combine multiple inventors who share the name “YATSUZUKA YOHTARO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
KOKUSAI DENSHIN DENWA CO LTD
8 patentsUS5128625AJul 7, 1992
Adaptive phase lock loop system
KOKUSAI DENSHIN DENWA CO LTD165 citations97
US4757517AJul 12, 1988
System for transmitting voice signal
KOKUSAI DENSHIN DENWA CO LTD89 citations95
US4341438AJul 27, 1982
Light source arrangement in an optical communication system
KOKUSAI DENSHIN DENWA CO LTD39 citations92
US4811396AMar 7, 1989
Speech coding system
KOKUSAI DENSHIN DENWA CO LTD44 citations91
US4303803ADec 1, 1981
Digital speech interpolation system
KOKUSAI DENSHIN DENWA CO LTD19 citations81
US4369523AJan 18, 1983
Remote control system of an optical repeater
KOKUSAI DENSHIN DENWA CO LTD16 citations73
US4281416AJul 28, 1981
Light source system in an optical transmission repeater
KOKUSAI DENSHIN DENWA CO LTD8 citations73
US5113448AMay 12, 1992
Speech coding/decoding system with reduced quantization noise
KOKUSAI DENSHIN DENWA CO LTD16 citations72