Inventor · disambiguated record
Yoji Shibata
Also filed as: SHIBATA YOJI
31 granted patents·1 pending application·2,305 citations·filing 1978–2005
98Inventor score
Files withHITACHI LTD25NIPPON TELEGRAPH & TELEPHONE3JAMCO CORP1SHIN NIHON KOKU SEIBI CO LTD1SUNX LTD1
Top patents by PatentIndex Score
32 records- 0198US4972462AMultimedia mail systemHITACHI LTD·Filed 1988·Granted Nov 20, 1990·312 cites·19 claims
- 0298US4884767ALavatory module for a passenger airplaneJAMCO CORP·Filed 1989·Granted Dec 5, 1989·151 cites·3 claims
- 0395US5477546ATeleconference terminal equipment and teleconference moduleHITACHI LTD·Filed 1992·Granted Dec 19, 1995·160 cites·11 claims
- 0494US4538176ABuffer memory dispersion type video/audio transmission systemHITACHI LTD·Filed 1979·Granted Aug 27, 1985·201 cites·5 claims
- 0592US5365265AMultipoint teleconference system employing communication channels set in ring configurationHITACHI LTD·Filed 1992·Granted Nov 15, 1994·153 cites·16 claims
- 0692US4251691APicture/audio signal transmission systemNIPPON TELEGRAPH & TELEPHONE·Filed 1978·Granted Feb 17, 1981·139 cites·4 claims
- 0791US5541639AVideo conference system automatically started at reserved timeHITACHI LTD·Filed 1993·Granted Jul 30, 1996·130 cites·1 claims
- 0890US4734765AVideo/audio information transmission systemNIPPON TELEGRAPH & TELEPHONE·Filed 1978·Granted Mar 29, 1988·77 cites·9 claims
- 0990US4518989ABuffer memory dispersion type video/audio transmission system with spatially and timewise divided inter-office junction linesHITACHI LTD·Filed 1982·Granted May 21, 1985·175 cites·14 claims
- 1088US5402418AMultipoint teleconference system employing H. 221 framesHITACHI LTD·Filed 1992·Granted Mar 28, 1995·66 cites·10 claims
- 1188US4295154ADigital video and audio file systemNIPPON TELEGRAPH & TELEPHONE·Filed 1979·Granted Oct 13, 1981·82 cites·12 claims
- 1286US5396269ATelevision telephoneHITACHI LTD·Filed 1992·Granted Mar 7, 1995·66 cites·40 claims
- 1383US4873715AAutomatic data/voice sending/receiving mode switching deviceHITACHI LTD·Filed 1987·Granted Oct 10, 1989·68 cites·16 claims
- 1483US4679277AFull length interlocking hinge for a folding doorSHIN NIHON KOKU SEIBI CO LTD·Filed 1985·Granted Jul 14, 1987·48 cites·3 claims
- 1581US5689300APicture codec and teleconference terminal equipmentHITACHI LTD·Filed 1995·Granted Nov 18, 1997·45 cites·5 claims
- 1680US5604738AMultipoint teleconference system employing H. 221 framesHITACHI LTD·Filed 1995·Granted Feb 18, 1997·54 cites·5 claims
- 1775US5790178APicture codec for teleconference equipment, which forms and displays picture-in-frame including at least two of received motion picture, a received still picture and a self motion picture in an optional combinationHITACHI LTD·Filed 1992·Granted Aug 4, 1998·36 cites·6 claims
- 1872US6285391B1Picture codec and teleconference terminal equipmentHITACHI LTD·Filed 2000·Granted Sep 4, 2001·7 cites·16 claims
- 1972US5835923AContents information transmitting/viewing system and method thereforHITACHI LTD·Filed 1996·Granted Nov 10, 1998·103 cites·39 claims
- 2072US5677727ATelevision telephoneHITACHI LTD·Filed 1995·Granted Oct 14, 1997·34 cites·7 claims
- 2171US5936945ATeleconference module with video codec for motion picture dataHITACHI LTD·Filed 1996·Granted Aug 10, 1999·31 cites·7 claims
- 2271US5777663APicture codec and teleconference terminal equipmentHITACHI LTD·Filed 1997·Granted Jul 7, 1998·25 cites·3 claims
- 2365US5966164ATelevision telephoneHITACHI LTD·Filed 1997·Granted Oct 12, 1999·25 cites·10 claims
- 2463US7243034B2Sensor deviceSUNX LTD·Filed 2005·Granted Jul 10, 2007·3 cites·23 claims
- 2563US5606554ATeleconference terminal equipment and teleconference moduleHITACHI LTD·Filed 1995·Granted Feb 25, 1997·22 cites·9 claims
- 2662US5373316AVideo conference device with facsimile functionHITACHI LTD·Filed 1993·Granted Dec 13, 1994·27 cites·42 claims
- 2760US5444477AVideo telephone systemHITACHI LTD·Filed 1993·Granted Aug 22, 1995·34 cites·5 claims
- 2855US5970054AMultipoint teleconference system employing H. 221 framesHITACHI LTD·Filed 1996·Granted Oct 19, 1999·14 cites·46 claims
- 2947US6249309B1Picture codec and teleconference terminal equipmentHITACHI LTD·Filed 1997·Granted Jun 19, 2001·6 cites·5 claims
- 3047US4970716AProtocol integrating videotex communication systemHITACHI LTD·Filed 1989·Granted Nov 13, 1990·9 cites·8 claims
- 3147US2002018114A1Picture codec and teleconference terminal equipmentFiled 2001·Application pending·0 cites
- 3226US4389310ACold trapHITACHI LTD·Filed 1978·Granted Jun 21, 1983·2 cites·9 claims
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