Inventor
OCHIAI KAZUO
15 patents
⚠️ This page may combine multiple inventors who share the name “OCHIAI KAZUO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NIPPON ELECTRIC CO
9 patentsUS4670903AJun 2, 1987
Echo canceller for attenuating acoustic echo signals on a frequency divisional manner
NIPPON ELECTRIC CO34 citations92
US4360708ANov 23, 1982
Speech processor having speech analyzer and synthesizer
NIPPON ELECTRIC CO41 citations92
US4317208AFeb 23, 1982
ADPCM System for speech or like signals
NIPPON ELECTRIC CO34 citations92
US4097860AJun 27, 1978
Offset compensating circuit
NIPPON ELECTRIC CO47 citations92
US4167653ASep 11, 1979
Adaptive speech signal detector
NIPPON ELECTRIC CO25 citations81
US4005277AJan 25, 1977
Echo controller comprising a mode switch for switching echo suppressor and canceller
NIPPON ELECTRIC CO23 citations81
US4001505AJan 4, 1977
Speech signal presence detector
NIPPON ELECTRIC CO24 citations81
US4028506AJun 7, 1977
Maximum value tracing circuit for digitized voice signals
NIPPON ELECTRIC CO17 citations73
US4012603AMar 15, 1977
Echo suppressor having self-adaptive means
NIPPON ELECTRIC CO17 citations73
OCHIAI KAZUO
3 patentsZEXEL VALEO CLIMATE CONTR CORP
2 patentsUS6666265B1Dec 23, 2003
Heat exchanger, method of manufacturing the heat exchanger, and method of manufacturing tube for heat exchange
ZEXEL VALEO CLIMATE CONTR CORP34 citations91
US6591900B1Jul 15, 2003
Heat exchanger, tube for heat exchanger, and method of manufacturing the heat exchanger and the tube
ZEXEL VALEO CLIMATE CONTR CORP10 citations73