Assignee
KOKUSAI DENSHIN DENWA CO LTD
JP·541 granted patents·19,362 citations·filing 1973–2000
Top patents by PatentIndex Score
541 records- 0198US4720835AIntegrated semiconductor light emitting element with oscillation wavelength and phase modulated light outputKOKUSAI DENSHIN DENWA CO LTD·Filed 1985·Granted Jan 19, 1988·156 cites·12 claims
- 0298US4217609AAdaptive predictive coding system for television signalsKOKUSAI DENSHIN DENWA CO LTD·Filed 1979·Granted Aug 12, 1980·207 cites·2 claims
- 0396US5610729ANoise reduction apparatus for reducing noise in decoding of moving picture sequenceKOKUSAI DENSHIN DENWA CO LTD·Filed 1995·Granted Mar 11, 1997·292 cites·8 claims
- 0496US5128625AAdaptive phase lock loop systemKOKUSAI DENSHIN DENWA CO LTD·Filed 1990·Granted Jul 7, 1992·165 cites·21 claims
- 0596US5117287AHybrid coding system for moving imageKOKUSAI DENSHIN DENWA CO LTD·Filed 1991·Granted May 26, 1992·233 cites·3 claims
- 0696US4920426AImage coding system coding digital image signals by forming a histogram of a coefficient signal sequence to estimate an amount of informationKOKUSAI DENSHIN DENWA CO LTD·Filed 1987·Granted Apr 24, 1990·167 cites·5 claims
- 0796US4827339AMoving picture signal transmission systemKOKUSAI DENSHIN DENWA CO LTD·Filed 1986·Granted May 2, 1989·147 cites·1 claims
- 0896US4218654ASpace diversity system in TDMA communication systemKOKUSAI DENSHIN DENWA CO LTD·Filed 1979·Granted Aug 19, 1980·119 cites·2 claims
- 0995US6005702AOptical transmission device, WDM optical transmission apparatus, and optical transmission system using return-to-zero optical pulsesKOKUSAI DENSHIN DENWA CO LTD·Filed 1997·Granted Dec 21, 1999·135 cites·20 claims
- 1095US4257675AOptical-fiber submarine cable and manufacturing method thereofKOKUSAI DENSHIN DENWA CO LTD·Filed 1979·Granted Mar 24, 1981·39 cites·2 claims
- 1194US5761309AAuthentication systemKOKUSAI DENSHIN DENWA CO LTD·Filed 1995·Granted Jun 2, 1998·344 cites·5 claims
- 1294US5613193ACompensation of frequency offsetKOKUSAI DENSHIN DENWA CO LTD·Filed 1994·Granted Mar 18, 1997·153 cites·4 claims
- 1394US5434693AOptical short pulse generating deviceKOKUSAI DENSHIN DENWA CO LTD·Filed 1994·Granted Jul 18, 1995·141 cites·3 claims
- 1494US5412435AInterlaced video signal motion compensation prediction systemKOKUSAI DENSHIN DENWA CO LTD·Filed 1993·Granted May 2, 1995·186 cites·19 claims
- 1594US4783779AFrequency assignment system in FDMA communication systemKOKUSAI DENSHIN DENWA CO LTD·Filed 1986·Granted Nov 8, 1988·176 cites·5 claims
- 1694US4641915ARotary joint for optical fibersKOKUSAI DENSHIN DENWA CO LTD·Filed 1984·Granted Feb 10, 1987·100 cites·4 claims
- 1794US4126494AMagnetic transfer record filmKOKUSAI DENSHIN DENWA CO LTD·Filed 1976·Granted Nov 21, 1978·43 cites·2 claims
- 1894US4068186ACircuit for compensating for nonlinear characteristics in high-frequency amplifiersKOKUSAI DENSHIN DENWA CO LTD·Filed 1976·Granted Jan 10, 1978·119 cites·11 claims
- 1993US5790289AWDM optical communication method with pre-emphasis technique and an apparatus thereforKOKUSAI DENSHIN DENWA CO LTD·Filed 1996·Granted Aug 4, 1998·116 cites·14 claims
- 2093US4894861ATerminal in communication network for notifying originating party's numberKOKUSAI DENSHIN DENWA CO LTD·Filed 1988·Granted Jan 16, 1990·107 cites·3 claims
- 2193US4837618AMoving image signal coding systemKOKUSAI DENSHIN DENWA CO LTD·Filed 1987·Granted Jun 6, 1989·128 cites·8 claims
- 2293US4599691ATree transformation system in machine translation systemKOKUSAI DENSHIN DENWA CO LTD·Filed 1983·Granted Jul 8, 1986·137 cites·1 claims
- 2393US4546386AAdaptive predictive coding system for television signalsKOKUSAI DENSHIN DENWA CO LTD·Filed 1983·Granted Oct 8, 1985·90 cites·2 claims
- 2493US4283684ANon-linearity compensating circuit for high-frequency amplifiersKOKUSAI DENSHIN DENWA CO LTD·Filed 1979·Granted Aug 11, 1981·61 cites·14 claims
- 2592US5488616ASystem for providing reversible variable length codesKOKUSAI DENSHIN DENWA CO LTD·Filed 1993·Granted Jan 30, 1996·93 cites·5 claims
- 2692US4747137ASpeech scramblerKOKUSAI DENSHIN DENWA CO LTD·Filed 1986·Granted May 24, 1988·95 cites·10 claims
- 2792US4734767AEncoder capable of faithfully and adaptively encoding a moving imageKOKUSAI DENSHIN DENWA CO LTD·Filed 1987·Granted Mar 29, 1988·86 cites·13 claims
- 2892US4652935AGraded facsimile image signal coding systemKOKUSAI DENSHIN DENWA CO LTD·Filed 1986·Granted Mar 24, 1987·81 cites·3 claims
- 2992US4437119AInter-frame adaptive prediction system for television signalsKOKUSAI DENSHIN DENWA CO LTD·Filed 1982·Granted Mar 13, 1984·78 cites·1 claims
- 3091US5347535ACDMA communication systemKOKUSAI DENSHIN DENWA CO LTD·Filed 1993·Granted Sep 13, 1994·136 cites·18 claims
- 3191US4566100ABit error rate measuring systemKOKUSAI DENSHIN DENWA CO LTD·Filed 1983·Granted Jan 21, 1986·104 cites·15 claims
- 3290US6088383ASpread-spectrum signal demodulatorKOKUSAI DENSHIN DENWA CO LTD·Filed 1997·Granted Jul 11, 2000·122 cites·18 claims
- 3390US5786918AOptical communication system and optical transmitting deviceKOKUSAI DENSHIN DENWA CO LTD·Filed 1995·Granted Jul 28, 1998·119 cites·13 claims
- 3490US5406368AMethod and apparatus for chromatic dispersion measurementsKOKUSAI DENSHIN DENWA CO LTD·Filed 1993·Granted Apr 11, 1995·73 cites·3 claims
- 3590US5173711AMicrostrip antenna for two-frequency separate-feeding type for circularly polarized wavesKOKUSAI DENSHIN DENWA CO LTD·Filed 1992·Granted Dec 22, 1992·156 cites·7 claims
- 3690US4571618ATV Signal median prediction coding systemKOKUSAI DENSHIN DENWA CO LTD·Filed 1982·Granted Feb 18, 1986·58 cites·1 claims
- 3790US4523802AUnitary mounting structure for semiconductor laser and optical fiberKOKUSAI DENSHIN DENWA CO LTD·Filed 1982·Granted Jun 18, 1985·64 cites·7 claims
- 3890US4134133AMethod for interline-coding facsimile signalKOKUSAI DENSHIN DENWA CO LTD·Filed 1977·Granted Jan 9, 1979·51 cites·11 claims
- 3989US5822095AOptical add-drop multiplexerKOKUSAI DENSHIN DENWA CO LTD·Filed 1996·Granted Oct 13, 1998·115 cites·5 claims
- 4089US5475430ADirect encoding system of composite video signal using inter-frame motion compensationKOKUSAI DENSHIN DENWA CO LTD·Filed 1994·Granted Dec 12, 1995·96 cites·6 claims
- 4189US5467368ASpread spectrum signal demodulatorKOKUSAI DENSHIN DENWA CO LTD·Filed 1994·Granted Nov 14, 1995·109 cites·4 claims
- 4289US4896359ASpeech synthesis system by rule using phonemes as systhesis unitsKOKUSAI DENSHIN DENWA CO LTD·Filed 1988·Granted Jan 23, 1990·184 cites·4 claims
- 4389US4653058ADistributed feedback semiconductor laser with monitorKOKUSAI DENSHIN DENWA CO LTD·Filed 1983·Granted Mar 24, 1987·35 cites·10 claims
- 4488US5883589AVariable length code construction apparatusKOKUSAI DENSHIN DENWA CO LTD·Filed 1997·Granted Mar 16, 1999·67 cites·10 claims
- 4588US5640678AMacrocell-microcell communication system with minimal mobile channel hand-offKOKUSAI DENSHIN DENWA CO LTD·Filed 1996·Granted Jun 17, 1997·155 cites·4 claims
- 4688US4691230AMotion vector detection system of a moving object on a screenKOKUSAI DENSHIN DENWA CO LTD·Filed 1986·Granted Sep 1, 1987·70 cites·5 claims
- 4788US4637686AOptical fiber with light reflecting particles dispersed through buffer layers to dissipate leaky cladding modesKOKUSAI DENSHIN DENWA CO LTD·Filed 1984·Granted Jan 20, 1987·52 cites·5 claims
- 4888US4438401ASystem for detecting a cable buried under the seabedKOKUSAI DENSHIN DENWA CO LTD·Filed 1980·Granted Mar 20, 1984·52 cites·9 claims
- 4987US5764061AMaritime apparatus for locating a buried submarine cableKOKUSAI DENSHIN DENWA CO LTD·Filed 1996·Granted Jun 9, 1998·105 cites·5 claims
- 5087US5455844ASelection diversity system using decision feedback equalizer in digital mobile telecommunication systemsKOKUSAI DENSHIN DENWA CO LTD·Filed 1994·Granted Oct 3, 1995·93 cites·2 claims
Showing the top 50 of 541 patent records by PatentIndex Score.
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