Inventor · disambiguated record
Kunihiko Niwa
Also filed as: NIWA KUNIHIKO
4 granted patents·142 citations·filing 1976–1983
80Inventor score
Top patents by PatentIndex Score
4 records- 0183US4621172AFast convergence method and system for echo cancellerNEC CORP·Filed 1983·Granted Nov 4, 1986·54 cites·3 claims
- 0283US4237552ATime division multiplexed transmission systems for telephone or like signals with frequency band compressionNIPPON ELECTRIC CO·Filed 1979·Granted Dec 2, 1980·36 cites·6 claims
- 0365US4058715ASerial FFT processing unitNIPPON ELECTRIC CO·Filed 1976·Granted Nov 15, 1977·27 cites·12 claims
- 0462US4080661AArithmetic unit for DFT and/or IDFT computationNIPPON ELECTRIC CO·Filed 1976·Granted Mar 21, 1978·25 cites·8 claims
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