Inventor · disambiguated record
Katsuhiro Shimizu
Also filed as: SHIMIZU KATSUHIRO
40 granted patents·6 pending applications·571 citations·filing 1993–2022
98Inventor score
Top patents by PatentIndex Score
46 records- 0195US5506724AGain controllable optical amplifier and applications thereofMITSUBISHI ELECTRIC CORP·Filed 1994·Granted Apr 9, 1996·105 cites·47 claims
- 0289US6657778B1Optical amplification repeater and optical amplification repeating and transmitting systemMITSUBISHI ELECTRIC CORP·Filed 2000·Granted Dec 2, 2003·25 cites·6 claims
- 0386US9032471B2Communication system, transmission apparatus, transmission method, reception apparatus and reception methodSONY CORP·Filed 2014·Granted May 12, 2015·4 cites·4 claims
- 0485US6873456B2Optical amplifying repeater apparatus and optical amplifying/repeating transmission systemMITSUBISHI ELECTRIC CORP·Filed 2002·Granted Mar 29, 2005·19 cites·8 claims
- 0584US9038123B2Communication system, transmission apparatus, transmission method, reception apparatus and reception methodSONY CORP·Filed 2014·Granted May 19, 2015·3 cites·13 claims
- 0684US8789127B2Communication system, transmission apparatus, transmission method, reception apparatus and reception methodSONY CORP·Filed 2012·Granted Jul 22, 2014·5 cites·3 claims
- 0784US7092643B2Optical transmission apparatus and bias voltage control method for the optical modulatorMITSUBISHI ELECTRIC CORP·Filed 2001·Granted Aug 15, 2006·30 cites·12 claims
- 0884US6445478B2Optical pulse position detecting circuit and an optical pulse generating apparatus and their methodsMITSUBISHI ELECTRIC CORP·Filed 2001·Granted Sep 3, 2002·26 cites·8 claims
- 0984US6236488B1Optical pulse position detecting circuit and an optical pulse generating apparatus and their methodsMITSUBISHI ELECTRIC CORP·Filed 1998·Granted May 22, 2001·59 cites·20 claims
- 1083US7034993B2Optical amplifier apparatusMITSUBISHI ELECTRIC CORP·Filed 2005·Granted Apr 25, 2006·7 cites·5 claims
- 1182US6836622B2Optical transmitter, and method of controlling bias voltage to the optical transmitterMITSUBISHI ELECTRIC CORP·Filed 2001·Granted Dec 28, 2004·24 cites·8 claims
- 1281US9350931B2Communication system, transmission apparatus, transmission method, reception apparatus and reception methodSONY CORP·Filed 2015·Granted May 24, 2016·2 cites·10 claims
- 1381US8199171B2Display device, image signal processing method, and programINOUE YASUO·Filed 2008·Granted Jun 12, 2012·5 cites·14 claims
- 1478US6456277B1Data conversion method used between different types of keyboardsIBM·Filed 2000·Granted Sep 24, 2002·27 cites·2 claims
- 1574US7801450B2Optical transmitter and optical communication systemMITSUBISHI ELECTRIC CORP·Filed 2004·Granted Sep 21, 2010·13 cites·4 claims
- 1672US6775482B1Light receiverMITSUBISHI ELECTRIC CORP·Filed 2000·Granted Aug 10, 2004·11 cites·26 claims
- 1770US8392958B2Communication system, transmission apparatus, transmission method, reception apparatus and reception methodHAYASHI TOSHIHIDE·Filed 2007·Granted Mar 5, 2013·1 cites·21 claims
- 1869US5455704AOptical-fiber light amplifierMITSUBISHI ELECTRIC CORP·Filed 1993·Granted Oct 3, 1995·43 cites·16 claims
- 1967US7239673B2Optical reception apparatusMITSUBISHI ELECTRIC CORP·Filed 2002·Granted Jul 3, 2007·7 cites·20 claims
- 2067US6362816B1Display control method and display control apparatusSONY CORP·Filed 1999·Granted Mar 26, 2002·36 cites·14 claims
- 2167US6028695AOptical modulating apparatusMITSUBISHI ELECTRIC CORP·Filed 1998·Granted Feb 22, 2000·36 cites·12 claims
- 2265US5367587AOptical amplifierMITSUBISHI ELECTRIC CORP·Filed 1994·Granted Nov 22, 1994·22 cites·26 claims
- 2364US7057802B2Optical amplifier deviceMITSUBISHI ELECTRIC CORP·Filed 2001·Granted Jun 6, 2006·6 cites·20 claims
- 2462US7058313B2Multi-value modulation apparatusMITSUBISHI ELECTRIC CORP·Filed 2001·Granted Jun 6, 2006·7 cites·15 claims
- 2561US12188678B2Air conditioner and control methodCARRIER JAPAN CORP·Filed 2022·Granted Jan 7, 2025·0 cites·9 claims
- 2661US6832048B2Dispersion compensation apparatus and a dispersion compensation systemMITSUBISHI ELECTRIC CORP·Filed 2001·Granted Dec 14, 2004·6 cites·16 claims
- 2759US9699403B2Communication system, transmission apparatus, transmission method, reception apparatus and reception methodSONY CORP·Filed 2016·Granted Jul 4, 2017·0 cites·2 claims
- 2859US7016614B1Optical wavelength division multiplexing transmission suppressing four-wave mixing and SPM-GVD effectsMITSUBISHI ELECTRIC CORP·Filed 2000·Granted Mar 21, 2006·4 cites·25 claims
- 2957US8208812B2Optical relay device and optical relay transmission systemTOKURA TOSHIYUKI·Filed 2006·Granted Jun 26, 2012·2 cites·19 claims
- 3057US7170673B2Optical amplifying repeater apparatus and optical amplifying/repeating transmission systemMITSUBISHI ELECTRIC CORP·Filed 2003·Granted Jan 30, 2007·3 cites·1 claims
- 3154US10876611B2Lock-up device and torque converterFCC KK·Filed 2014·Granted Dec 29, 2020·1 cites·14 claims
- 3252US8320771B2Optical transmission system and repeaterYOSHIDA TSUYOSHI·Filed 2008·Granted Nov 27, 2012·1 cites·10 claims
- 3351US6674481B1Display apparatus, marker signal making process, marker signal detector circuit, and control signal generator circuitSONY CORP·Filed 1999·Granted Jan 6, 2004·14 cites·7 claims
- 3448US7895498B2Apparatuses and method for error correction coding and error correction decodingMITSUBISHI ELECTRIC CORP·Filed 2004·Granted Feb 22, 2011·5 cites·10 claims
- 3546US7903982B2Optical receiverMITSUBISHI ELECTRIC CORP·Filed 2004·Granted Mar 8, 2011·1 cites·13 claims
- 3645US2012217823A1Display device and power-supply necessity determination method of branch device connected to display deviceSHIMIZU KATSUHIRO·Filed 2012·Application pending·0 cites
- 3743US2008144823A1Photon Detecting Device and Optical Communication SystemMITSUBISHI ELECTRIC CORP·Filed 2004·Application pending·0 cites
- 3840US8059971B2Optical reception deviceMITANI SHUNSUKE·Filed 2004·Granted Nov 15, 2011·1 cites·7 claims
- 3940US7501914B2Bias circuitMITSUBISHI ELECTRIC CORP·Filed 2004·Granted Mar 10, 2009·2 cites·11 claims
- 4040US6292216B1Control signal generating circuitSONY CORP·Filed 1999·Granted Sep 18, 2001·8 cites·4 claims
- 4139US2002001115A1Optical transmission apparatus, and output stabilization control method for an optical modulator used in the optical transmission apparatusFiled 2001·Application pending·0 cites
- 4238US2007229118A1Phase ComparatorMITSUBISHI ELECTRIC CORP·Filed 2006·Application pending·0 cites
- 4336US7236703B1Optical wavelength division multiplexing deviceKDDI SUBMARINE CABLE SYS INC·Filed 2000·Granted Jun 26, 2007·0 cites·13 claims
- 4436US2001008452A1Wavelength multiplexing optical transmission systemFiled 2001·Application pending·0 cites
- 4535US2013039643A1Optical communication systemMITSUBISHI ELECTRIC CORP·Filed 2010·Application pending·0 cites
- 4634US7768698B2Raman amplifier and optical communication systemINDEPENDENT ADMINISTRATIVE INSTITUTION JAPAN AGENCY FOR MARINE EARTH SCI & TECH·Filed 2004·Granted Aug 3, 2010·0 cites·14 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →