Inventor

HIROSAKI BOTARO

JP14 patents

⚠️ This page may combine multiple inventors who share the name “HIROSAKI BOTARO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

NEC CORP

11 patents

US4621355ANov 4, 1986

Method of synchronizing parallel channels of orthogonally multiplexed parallel data transmission system and improved automatic equalizer for use in such a transmission system

NEC CORP62 citations94

US4613975ASep 23, 1986

Selective fading protection system

NEC CORP59 citations94

US4575682AMar 11, 1986

Circuit for establishing accurate sample timing

NEC CORP63 citations94

US4661945AApr 28, 1987

Differential coding system and apparatus therefor

NEC CORP38 citations92

US4541104ASep 10, 1985

Framing circuit for digital system

NEC CORP47 citations92

US4604583AAug 5, 1986

Frequency offset correcting circuit

NEC CORP40 citations91

US4639939AJan 27, 1987

Apparatus for cancelling periodic carrier phase jitters

NEC CORP9 citations74

US4893265AJan 9, 1990

Rate conversion digital filter

NEC CORP13 citations73

US4803680AFeb 7, 1989

Destuffing circuit with a digital phase-locked loop

NEC CORP16 citations73

US5093843AMar 3, 1992

Digital communicationn system using partial response and bipolar coding techniques

NEC CORP8 citations71

US4642575AFeb 10, 1987

Phase-locked loop with supplemental phase signal

NEC CORP2 citations62

NIPPON ELECTRIC CO

3 patents

US4392220AJul 5, 1983

Modem to be coupled to a directional transmission line of an SS multiplex communication network

NIPPON ELECTRIC CO78 citations96

US4300229ANov 10, 1981

Transmitter and receiver for an othogonally multiplexed QAM signal of a sampling rate N times that of PAM signals, comprising an N/2-point offset fourier transform processor

NIPPON ELECTRIC CO88 citations95

US4423518ADec 27, 1983

Timing recovery circuit

NIPPON ELECTRIC CO12 citations73