Assignee
NIPPON TELEGRAPH & TELEPHONE
JP·5,222 granted patents·2,889 pending applications·92,059 citations·filing 1973–2025
Top patents by PatentIndex Score
8,111 records- 0198US8675735B2Predicted reference information generating method, video encoding and decoding methods, apparatuses therefor, programs therefor, and storage media which store the programsNIPPON TELEGRAPH & TELEPHONE·Filed 2012·Granted Mar 18, 2014·61 cites·15 claims
- 0298US8355438B2Predicted reference information generating method, video encoding and decoding methods, apparatuses therefor, programs therefor, and storage media which store the programsNIPPON TELEGRAPH & TELEPHONE·Filed 2007·Granted Jan 15, 2013·74 cites·25 claims
- 0398US6788865B2Polarization maintaining optical fiber with improved polarization maintaining propertyNIPPON TELEGRAPH & TELEPHONE·Filed 2001·Granted Sep 7, 2004·247 cites·2 claims
- 0498US6456658B2Brightness-variation compensation method and coding/decoding apparatus for moving picturesNIPPON TELEGRAPH & TELEPHONE·Filed 2001·Granted Sep 24, 2002·458 cites·6 claims
- 0598US6404966B1Optical fiberNIPPON TELEGRAPH & TELEPHONE·Filed 1999·Granted Jun 11, 2002·134 cites·32 claims
- 0698US6266370B1Brightness-variation compensation method and coding/decoding apparatus for moving picturesNIPPON TELEGRAPH & TELEPHONE·Filed 1997·Granted Jul 24, 2001·534 cites·9 claims
- 0798US6223018B1Intra-body information transfer deviceNIPPON TELEGRAPH & TELEPHONE·Filed 1997·Granted Apr 24, 2001·328 cites·23 claims
- 0898US5479303AMethod and apparatus for visual search control of digital video filesNIPPON TELEGRAPH & TELEPHONE·Filed 1993·Granted Dec 26, 1995·182 cites·10 claims
- 0998US4534820AMethod for manufacturing crystalline filmNIPPON TELEGRAPH & TELEPHONE·Filed 1982·Granted Aug 13, 1985·111 cites·17 claims
- 1098US4402720AProcess for preparing glass preform for optical fiberNIPPON TELEGRAPH & TELEPHONE·Filed 1980·Granted Sep 6, 1983·89 cites·15 claims
- 1197US11592629B2Optical moduleNIPPON TELEGRAPH & TELEPHONE·Filed 2020·Granted Feb 28, 2023·16 cites·9 claims
- 1297US11493705B2Connection structure of optical waveguide chipsNIPPON TELEGRAPH & TELEPHONE·Filed 2021·Granted Nov 8, 2022·11 cites·1 claims
- 1397US10886321B2Color image-capture element and image capture deviceNIPPON TELEGRAPH & TELEPHONE·Filed 2020·Granted Jan 5, 2021·6 cites·8 claims
- 1497US5821769ALow voltage CMOS logic circuit with threshold voltage controlNIPPON TELEGRAPH & TELEPHONE·Filed 1996·Granted Oct 13, 1998·224 cites·28 claims
- 1597US5751452AOptical devices with high polymer material and method of forming the sameNIPPON TELEGRAPH & TELEPHONE·Filed 1994·Granted May 12, 1998·281 cites·19 claims
- 1697US5590409ATransmission power control method and a transmission power control apparatusNIPPON TELEGRAPH & TELEPHONE·Filed 1995·Granted Dec 31, 1996·352 cites·4 claims
- 1797US5442561AProduction management system and its application methodNIPPON TELEGRAPH & TELEPHONE·Filed 1993·Granted Aug 15, 1995·262 cites·10 claims
- 1897US5280537ADigital communication system using superposed transmission of high speed and low speed digital signalsNIPPON TELEGRAPH & TELEPHONE·Filed 1992·Granted Jan 18, 1994·378 cites·27 claims
- 1997US4980652AFrequency synthesizer having compensation for nonlinearitiesNIPPON TELEGRAPH & TELEPHONE·Filed 1989·Granted Dec 25, 1990·117 cites·11 claims
- 2097US4977595AMethod and apparatus for implementing electronic cashNIPPON TELEGRAPH & TELEPHONE·Filed 1990·Granted Dec 11, 1990·433 cites·54 claims
- 2197US4750799AHybrid optical integrated circuitNIPPON TELEGRAPH & TELEPHONE·Filed 1985·Granted Jun 14, 1988·202 cites·12 claims
- 2297US4742558AImage information retrieval/display apparatusNIPPON TELEGRAPH & TELEPHONE·Filed 1985·Granted May 3, 1988·274 cites·14 claims
- 2397US4450031AIon shower apparatusNIPPON TELEGRAPH & TELEPHONE·Filed 1983·Granted May 22, 1984·131 cites·9 claims
- 2497US4329655AAdaptive equalization system for nonlinearitiesNIPPON TELEGRAPH & TELEPHONE·Filed 1980·Granted May 11, 1982·82 cites·9 claims
- 2597US4320191APattern-forming processNIPPON TELEGRAPH & TELEPHONE·Filed 1979·Granted Mar 16, 1982·333 cites·2 claims
- 2697US4142155ADiversity systemNIPPON TELEGRAPH & TELEPHONE·Filed 1977·Granted Feb 27, 1979·150 cites·8 claims
- 2797US4062665AContinuous optical fiber preform fabrication methodNIPPON TELEGRAPH & TELEPHONE·Filed 1977·Granted Dec 13, 1977·102 cites·14 claims
- 2896US11967603B2Image-capture element and image capture deviceNIPPON TELEGRAPH & TELEPHONE·Filed 2022·Granted Apr 23, 2024·2 cites·5 claims
- 2996US11831532B2Timestamp correction apparatus, time stamp correction method, and programNIPPON TELEGRAPH & TELEPHONE·Filed 2020·Granted Nov 28, 2023·82 cites·12 claims
- 3096US11515352B2Image-capture element and image capture deviceNIPPON TELEGRAPH & TELEPHONE·Filed 2020·Granted Nov 29, 2022·4 cites·15 claims
- 3196US11509362B2Wireless signal transmitting method and wireless apparatusNIPPON TELEGRAPH & TELEPHONE·Filed 2021·Granted Nov 22, 2022·3 cites·4 claims
- 3296US7296230B2Linked contents browsing support device, linked contents continuous browsing support device, and method and program therefor, and recording medium therewithNIPPON TELEGRAPH & TELEPHONE·Filed 2003·Granted Nov 13, 2007·205 cites·29 claims
- 3396US7209097B2Optical device and three-dimensional display deviceNIPPON TELEGRAPH & TELEPHONE·Filed 2004·Granted Apr 24, 2007·121 cites·9 claims
- 3496US6920166B2Thin film deposition method of nitride semiconductor and nitride semiconductor light emitting deviceNIPPON TELEGRAPH & TELEPHONE·Filed 2003·Granted Jul 19, 2005·252 cites·20 claims
- 3596US6222583B1Device and system for labeling sight imagesNIPPON TELEGRAPH & TELEPHONE·Filed 1998·Granted Apr 24, 2001·304 cites·19 claims
- 3696US6192183B1Video editing scheme using icons directly obtained from coded video dataNIPPON TELEGRAPH & TELEPHONE·Filed 1997·Granted Feb 20, 2001·147 cites·21 claims
- 3796US6139713AMethod of manufacturing porous anodized alumina filmNIPPON TELEGRAPH & TELEPHONE·Filed 1997·Granted Oct 31, 2000·169 cites·12 claims
- 3896US5887095AOptical receptacle and housing thereforNIPPON TELEGRAPH & TELEPHONE·Filed 1998·Granted Mar 23, 1999·209 cites·4 claims
- 3996US5617537AMessage passing system for distributed shared memory multiprocessor system and message passing method using the sameNIPPON TELEGRAPH & TELEPHONE·Filed 1994·Granted Apr 1, 1997·344 cites·24 claims
- 4096US5581652AReconstruction of wideband speech from narrowband speech using codebooksNIPPON TELEGRAPH & TELEPHONE·Filed 1993·Granted Dec 3, 1996·375 cites·16 claims
- 4196US5546483AIntegrated optical waveguide circuit and optical branch line test system using the sameNIPPON TELEGRAPH & TELEPHONE·Filed 1994·Granted Aug 13, 1996·114 cites·19 claims
- 4296US5293448ASpeech analysis-synthesis method and apparatus thereforNIPPON TELEGRAPH & TELEPHONE·Filed 1992·Granted Mar 8, 1994·263 cites·7 claims
- 4396US5214730AMultifiber optical connector plug with low reflection and low insertion lossNIPPON TELEGRAPH & TELEPHONE·Filed 1992·Granted May 25, 1993·356 cites·23 claims
- 4496US5146178AImpedance-matched, class F high-frequency amplifierNIPPON TELEGRAPH & TELEPHONE·Filed 1991·Granted Sep 8, 1992·164 cites·20 claims
- 4596US4943783AFeed forward distortion correction circuitNIPPON TELEGRAPH & TELEPHONE·Filed 1989·Granted Jul 24, 1990·70 cites·6 claims
- 4696US4593267ADigital data code conversion circuit for variable-word-length data codeNIPPON TELEGRAPH & TELEPHONE·Filed 1983·Granted Jun 3, 1986·74 cites·5 claims
- 4796US4536887AMicrophone-array apparatus and method for extracting desired signalNIPPON TELEGRAPH & TELEPHONE·Filed 1983·Granted Aug 20, 1985·148 cites·29 claims
- 4896US4492620APlasma deposition method and apparatusNIPPON TELEGRAPH & TELEPHONE·Filed 1983·Granted Jan 8, 1985·137 cites·16 claims
- 4996US4426247AMethod for forming micropatternNIPPON TELEGRAPH & TELEPHONE·Filed 1983·Granted Jan 17, 1984·153 cites·12 claims
- 5096US4401054APlasma deposition apparatusNIPPON TELEGRAPH & TELEPHONE·Filed 1981·Granted Aug 30, 1983·226 cites·12 claims
Showing the top 50 of 8,111 patent records by PatentIndex Score.
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →