Inventor · disambiguated record
Ryoji Okita
Also filed as: OKITA RYOJI
19 granted patents·2 pending applications·258 citations·filing 1984–2002
95Inventor score
Files withFUJITSU LTD19
Top patents by PatentIndex Score
21 records- 0192US4630126AMethod of signal transmission with selected signal transmission rateFUJITSU LTD·Filed 1984·Granted Dec 16, 1986·85 cites·7 claims
- 0272US7113557B2Noise canceling method and apparatusFUJITSU LTD·Filed 2002·Granted Sep 26, 2006·16 cites·14 claims
- 0367US5406564ACommunication line backup systemFUJITSU LTD·Filed 1991·Granted Apr 11, 1995·38 cites·8 claims
- 0454US7269215B2Equalization processing method and the apparatus for periodic fluctuation of transmission line characteristicFUJITSU LTD·Filed 2001·Granted Sep 11, 2007·2 cites·10 claims
- 0547US5896420ATransmission apparatus having echo cancellation facilityFUJITSU LTD·Filed 1996·Granted Apr 20, 1999·23 cites·8 claims
- 0647US5689513AData transmission system having a backup testing facilityFUJITSU LTD·Filed 1996·Granted Nov 18, 1997·13 cites·22 claims
- 0744US7114120B2Data processing apparatus and data processing methodFUJITSU LTD·Filed 2002·Granted Sep 26, 2006·0 cites·11 claims
- 0844US6052410ATransmission apparatus, reception apparatus and communication apparatus as well as modem signal transmission and reception methodFUJITSU LTD·Filed 1997·Granted Apr 18, 2000·17 cites·13 claims
- 0944US2001019582A1Frequency modulation method and modem unit employing such methodFiled 2001·Application pending·0 cites
- 1043US5598434AAutomatic equalizer with a branched input for improved accuracyFUJITSU LTD·Filed 1995·Granted Jan 28, 1997·15 cites·6 claims
- 1141US6968497B2Error correction device and error correction methodFUJITSU LTD·Filed 2002·Granted Nov 22, 2005·2 cites·10 claims
- 1241US5710754AMultiplex transmission system wherein analog signal is transformed to base band random-transformed and superimposed on dispersed signal points in vector signal spaceFUJITSU LTD·Filed 1995·Granted Jan 20, 1998·10 cites·80 claims
- 1338US6298036B1Multiplex transmission system wherein analog signal is transformed to base band, random-transformed and superimposed on dispersed signal points in vector signal spaceFUJITSU LTD·Filed 1997·Granted Oct 2, 2001·7 cites·15 claims
- 1438US5825818AApparatus and method of recovering a timing signal in a transmission apparatus by adjusting tap coefficientsFUJITSU LTD·Filed 1996·Granted Oct 20, 1998·10 cites·8 claims
- 1536US6044109AModem signal transmitter, modem signal transmitting method, modem signal receiver, modem signal receiving method, modem signal transmitting/receiving system and modem signal transmitting/receiving methodFUJITSU LTD·Filed 1997·Granted Mar 28, 2000·8 cites·18 claims
- 1634US2001016015A1Transmission apparatus and method of signal-point generationFiled 2001·Application pending·0 cites
- 1733US6411650B1PLL control method in data receiving apparatusFUJITSU LTD·Filed 1998·Granted Jun 25, 2002·4 cites·11 claims
- 1832US6282246B1Frequency modulation method and modem unit employing such methodFUJITSU LTD·Filed 1997·Granted Aug 28, 2001·3 cites·20 claims
- 1932US6282237B1Multiple transmission system wherein analog signal is transformed to base band, random-transformed and superimposed on dispersed signal points in vector signal spaceFUJITSU LTD·Filed 1998·Granted Aug 28, 2001·2 cites·2 claims
- 2031US6226302B1Multiplex transmission system wherein analog signal is transformed to base band, random-transformed and superimposed on dispersed signal points in vector signal spaceFUJITSU LTD·Filed 1998·Granted May 1, 2001·1 cites·2 claims
- 2129US6002724ATransmission apparatus and control method thereforFUJITSU LTD·Filed 1996·Granted Dec 14, 1999·2 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →