Inventor · disambiguated record
Fumiyuki Adachi
Also filed as: ADACHI FUMIYUKI
58 granted patents·5 pending applications·2,721 citations·filing 1975–2019
99Inventor score
Top patents by PatentIndex Score
63 records- 0197US5590409ATransmission power control method and a transmission power control apparatusNIPPON TELEGRAPH & TELEPHONE·Filed 1995·Granted Dec 31, 1996·352 cites·4 claims
- 0297US4142155ADiversity systemNIPPON TELEGRAPH & TELEPHONE·Filed 1977·Granted Feb 27, 1979·150 cites·8 claims
- 0394US6034952AMethod and instrument for measuring receiving SIR and transmission power controllerNIPPON TELEGRAPH & TELEPHONE·Filed 1997·Granted Mar 7, 2000·187 cites·24 claims
- 0491US5910948AAcquisition scheme and receiver for an asynchronous DS-CDMA cellular communication systemNIPPON TELEGRAPH & TELEPHONE·Filed 1997·Granted Jun 8, 1999·133 cites·7 claims
- 0590US7298721B2Single-carrier/DS-CDMA packet transmitting method, uplink packet transmitting method in multi carrier/DS-CDMA mobile communication system, and structure of downlink channel in multi carrier/DS-CDMA mobile communication systemNTT DOCOMO INC·Filed 2001·Granted Nov 20, 2007·39 cites·11 claims
- 0690US6167037ASignal transmitting method, transmitter, receiver, and spread-spectrum code synchronizing method for mobile communication systemNIPPON TELEGRAPH & TELEPHONE·Filed 1997·Granted Dec 26, 2000·92 cites·30 claims
- 0790US5898665ACoherent tracking apparatus and method for CDMA receiverNIPPON TELEGRAPH & TELEPHONE·Filed 1996·Granted Apr 27, 1999·118 cites·18 claims
- 0889US5694388ACDMA demodulator and demodulation methodNIPPON TELEGRAPH & TELEPHONE·Filed 1995·Granted Dec 2, 1997·138 cites·38 claims
- 0989US4057758AMobile diversity radio communication systemNIPPON TELEGRAPH & TELEPHONE·Filed 1975·Granted Nov 8, 1977·51 cites·18 claims
- 1088US5586113ACDMA communications method and systemNIPPON TELEGRAPH & TELEPHONE·Filed 1994·Granted Dec 17, 1996·89 cites·10 claims
- 1187US5652765AReceiver and repeater for spread spectrum communicationsNIPPON TELEGRAPH & TELEPHONE·Filed 1994·Granted Jul 29, 1997·94 cites·22 claims
- 1287US5638362ACorrelation detector and communication apparatusNIPPON TELEGRAPH & TELEPHONE·Filed 1994·Granted Jun 10, 1997·98 cites·9 claims
- 1386US5896374AVariable rate transmission method, transmitter and receiver using the sameNIPPON TELEGRAPH & TELEPHONE·Filed 1996·Granted Apr 20, 1999·111 cites·57 claims
- 1483US5604766ATransmission power control method of a spread-spectrum communication system, and a spread-spectrum communication system employing the control methodNIPPON TELEGRAPH & TELEPHONE·Filed 1995·Granted Feb 18, 1997·112 cites·8 claims
- 1582US5768306ASliding correlator used in CDMA systems to establish initial synchronizationNIPPON TELEGRAPH & TELEPHONE·Filed 1997·Granted Jun 16, 1998·70 cites·2 claims
- 1682US5734648ACDMA communications method and systemNIPPON TELEGRAPH & TELEPHONE·Filed 1995·Granted Mar 31, 1998·63 cites·15 claims
- 1780US11432704B2Image pickup apparatus and endoscopeOLYMPUS CORP·Filed 2019·Granted Sep 6, 2022·2 cites·7 claims
- 1879US6084884ACDMA communication method and group spreading modulatorNIPPON TELEGRAPH & TELEPHONE·Filed 1997·Granted Jul 4, 2000·51 cites·30 claims
- 1976US9660657B2Spread spectrum clock generatorRENESAS ELECTRONICS CORP·Filed 2015·Granted May 23, 2017·3 cites·10 claims
- 2075US4397036ADiversity systemNIPPON TELEGRAPH & TELEPHONE·Filed 1979·Granted Aug 2, 1983·25 cites·12 claims
- 2174US5594754ASpread spectrum communication receiverNIPPON TELEGRAPH & TELEPHONE·Filed 1994·Granted Jan 14, 1997·51 cites·4 claims
- 2273US5850393ATransmitter receiver for mobile communication systemNIPPON TELEGRAPH & TELEPHONE·Filed 1996·Granted Dec 15, 1998·48 cites·12 claims
- 2372US5748623ACode division multiple access transmitter and receiverNIPPON TELEGRAPH & TELEPHONE·Filed 1994·Granted May 5, 1998·36 cites·12 claims
- 2471US5914943AApparatus and method for establishing acquisition of spreading code in CDMA transmission systemNIPPON TELEGRAPH & TELEPHONE·Filed 1995·Granted Jun 22, 1999·42 cites·26 claims
- 2569US5745531AAutomatic gain control apparatus, communication system, and automatic gain control methodNIPPON TELEGRAPH & TELEPHONE·Filed 1994·Granted Apr 28, 1998·41 cites·10 claims
- 2668US5684832AMaximum likelihood differential detecting method and differential detector thereofNIPPON TELEGRAPH & TELEPHONE·Filed 1994·Granted Nov 4, 1997·53 cites·16 claims
- 2766US10084636B2Transmission apparatus, reception apparatus, transmission method, and reception methodPANASONIC IP CORP AMERICA·Filed 2016·Granted Sep 25, 2018·1 cites·8 claims
- 2863US9806726B2Spread spectrum clock generatorRENESAS ELECTRONICS CORP·Filed 2017·Granted Oct 31, 2017·1 cites·9 claims
- 2963US5953324ACDMA mobile communication method, system and mobile station apparatusNIPPON TELEGRAPH & TELEPHONE·Filed 1996·Granted Sep 14, 1999·35 cites·18 claims
- 3060US7920659B2Wireless communication apparatus and wireless communication methodPANASONIC CORP·Filed 2006·Granted Apr 5, 2011·1 cites·9 claims
- 3159US6647003B1Channel estimation unit, and CDMA receiver and CDMA transceiver with channel estimation unitNTT MOBILE COMMMUNICATIONS NET·Filed 1999·Granted Nov 11, 2003·46 cites·24 claims
- 3258US5715235ACommunication system capable of performing FDMA transmissionNIPPON TELEGRAPH & TELEPHONE·Filed 1994·Granted Feb 3, 1998·26 cites·17 claims
- 3357US6108384AData transmittion method, data transmitting system and transmitter and receiverNIPPON TELEGRAPH & TELEPHONE·Filed 1997·Granted Aug 22, 2000·37 cites·14 claims
- 3457US5692015ACoherent detector and a coherent detection method for a digital communication receiverNIPPON TELEGRAPH & TELEPHONE·Filed 1995·Granted Nov 25, 1997·39 cites·7 claims
- 3555US5258980ARadio channel switching control methodNIPPON TELEGRAPH & TELEPHONE·Filed 1990·Granted Nov 2, 1993·46 cites·12 claims
- 3653US7903748B2Transmitter apparatus, communication system, and communication methodINTELLIGENT COSMOS RES INST·Filed 2004·Granted Mar 8, 2011·2 cites·20 claims
- 3753US6904078B1CDMA receiver and CDMA transmitter/receiverNTT DOCOMO INC·Filed 1999·Granted Jun 7, 2005·29 cites·19 claims
- 3853US5740096AFilter circuit for communicationNIPPON TELEGRAPH & TELEPHONE·Filed 1996·Granted Apr 14, 1998·10 cites·2 claims
- 3952US2007286129A1Single carrier/ds-cdma packet transmission method, an uplink packet transmission method in a multi-carrier/ds-cdma mobile communications system, and a structure of a downlink channel in a multi-carrier/ds-cdma mobile communications systemNTT DOCOMO INC·Filed 2007·Application pending·0 cites
- 4051US10750110B2Endoscope system and signal processor to determine a short or an open clock signal wireOLYMPUS CORP·Filed 2018·Granted Aug 18, 2020·0 cites·15 claims
- 4151US5654667ALinear predictive differential detection method for DPSK wavesNIPPON TELEGRAPH & TELEPHONE·Filed 1995·Granted Aug 5, 1997·27 cites·10 claims
- 4250US6757272B1Channel estimation unit, and CDMA receiver and CDMA transceiver with channel estimation unitNTT DOCOMO INC·Filed 1999·Granted Jun 29, 2004·24 cites·16 claims
- 4348US2010189192A1Radio transmission device, radio reception device, and precoding methodPANASONIC CORP·Filed 2008·Application pending·0 cites
- 4447US6278724B1Receiver in a spread spectrum communication system having low power analog multipliers and addersYOZAN INC·Filed 1998·Granted Aug 21, 2001·16 cites·27 claims
- 4547US5848096ACommunication method and system using different spreading codesNIPPON TELEGRAPH & TELEPHONE·Filed 1996·Granted Dec 8, 1998·15 cites·3 claims
- 4647US2007097851A1Information recording device and information recording medthodADACHI FUMIYUKI·Filed 2004·Application pending·0 cites
- 4747US2010135432A1Wireless Transmission Apparatus, Wireless Reception Apparatus and Block Construction MethodMIYOSHI KENICHI·Filed 2008·Application pending·0 cites
- 4846US6426949B1Signal reception apparatus for DS-CDMA communication systemYOZAN INC·Filed 1998·Granted Jul 30, 2002·14 cites·6 claims
- 4946US2011286502A1Wireless transmitter and precoding methodADACHI FUMIYUKI·Filed 2009·Application pending·0 cites
- 5045US6351498B1Robust digital modulation and demodulation scheme for radio communications involving fadingNIPPON TELEGRAPH & TELEPHONE·Filed 1998·Granted Feb 26, 2002·19 cites·6 claims
Showing the top 50 of 63 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →