P

Inventor

OTANI SUSUMU

JP31 patents
⚠️ This page may combine multiple inventors who share the name “OTANI SUSUMU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

NEC CORP

19 patents
US4871975AOct 3, 1989

Carrier recovery circuit for offset QPSK demodulators

NEC CORP170 citations99
US4835790AMay 30, 1989

Carrier-to-noise detector for digital transmission systems

NEC CORP109 citations96
US4606027AAug 12, 1986

Error correction apparatus using a Viterbi decoder

NEC CORP70 citations96
US5245612ASep 14, 1993

Spread packet communication system

NEC CORP89 citations95
US5157694AOct 20, 1992

Coherent psk demodulator using bit error rate and s/n ratio to establish synchronization

NEC CORP32 citations92
US4967413AOct 30, 1990

Burst signal detection apparatus

NEC CORP46 citations92
US4628507ADec 9, 1986

Bit error detection circuit for PSK-modulated carrier wave

NEC CORP48 citations92
US4853642AAug 1, 1989

Phase controlled demodulator for digital communications system

NEC CORP20 citations82
US5148451ASep 15, 1992

Carrier regeneration device correctly operable in mobile satellite communication

NEC CORP17 citations74
US4891598AJan 2, 1990

Variable bit rate clock recovery circuit

NEC CORP15 citations74
US4686484AAug 11, 1987

Phase detection circuit

NEC CORP13 citations74
US5452332ASep 19, 1995

AGC circuit for burst signal

NEC CORP18 citations73
US5247543ASep 21, 1993

Carrier aquisition apparatus for digital satellite communication system

NEC CORP17 citations73
US4607377AAug 19, 1986

Transversal type equalizer apparatus

NEC CORP7 citations73
US4807254AFeb 21, 1989

Carrier wave recovery system

NEC CORP6 citations63
US4780887AOct 25, 1988

Carrier recovery circuitry immune to interburst frequency variations

NEC CORP3 citations63
US4696057ASep 22, 1987

CN ratio measurement circuit

NEC CORP6 citations63
US5073906ADec 17, 1991

Synchronization word detection apparatus

NEC CORP4 citations54
US5530717AJun 25, 1996

Smooth spectrum spreading with a small spreading factor

NEC CORP1 citations52

TOYODA AUTOMATIC LOOM WORKS

6 patents

NIPPON ELECTRIC CO

3 patents

HUGHES AIRCRAFT CO

1 patent

SHIBATA HIDEO

1 patent

SHINODA TATSUYA

1 patent