Inventor · disambiguated record
Toshio Kawazawa
Also filed as: KAWAZAWA TOSHIO
13 granted patents·1 pending application·254 citations·filing 1996–2003
93Inventor score
Files withKOKUSAI DENSHIN DENWA CO LTD4KDDI SUBMARINE CABLE SYS INC3ADVANTEST CORP2KDD CORP2MITSUBISHI ELECTRIC CORP2
Top patents by PatentIndex Score
14 records- 0184US6594003B1Measuring system of transmission characteristicsKDD CORP·Filed 2000·Granted Jul 15, 2003·28 cites·13 claims
- 0284US6327060B1Optical transmission system, optically branching apparatus and optical signal processing apparatusKOKUSAI DENSHIN DENWA CO LTD·Filed 1998·Granted Dec 4, 2001·83 cites·9 claims
- 0370US6804469B2Supervisory system of optical amplifier repeater system and supervisory method of optical amplifier repeater systemMITSUBISHI ELECTRIC CORP·Filed 2001·Granted Oct 12, 2004·13 cites·8 claims
- 0470US6115156ADemultiplexer device for wavelength-division multiplexed optical fiber communicationKOKUSAI DENSHIN DENWA CO LTD·Filed 1997·Granted Sep 5, 2000·34 cites·4 claims
- 0569US7009693B2Gain profile measuring method and system and gain profile controlling method and systemMITSUBISHI ELECTRIC CORP·Filed 2003·Granted Mar 7, 2006·14 cites·25 claims
- 0659US6377373B1Optical transmission systemKOKUSAI DENSHIN DENWA CO LTD·Filed 1998·Granted Apr 23, 2002·26 cites·28 claims
- 0758US7130544B2Optical repeating system and optical amplifying repeater control methodKDDI SUBMARINE CABLE SYS INC·Filed 2002·Granted Oct 31, 2006·6 cites·7 claims
- 0858US6654104B2Apparatus and method for measuring optical characteristics and recording mediumADVANTEST CORP·Filed 2001·Granted Nov 25, 2003·8 cites·4 claims
- 0956US7158728B2Optical repeating system and optical amplifying repeater control methodKDDI SUBMARINE CABLE SYS INC·Filed 2002·Granted Jan 2, 2007·5 cites·3 claims
- 1050US6433865B1Apparatus and method for measuring optical characteristics and recording mediumADVANTEST CORP·Filed 2001·Granted Aug 13, 2002·5 cites·5 claims
- 1148US6914718B2Optical repeating system and optical amplifying repeater control methodKDDI SUBMARINE CABLE SYS INC·Filed 2002·Granted Jul 5, 2005·2 cites·3 claims
- 1245US5978122ANoise suppression method for wavelength division multiplexing transmission systemKOKUSAI DENSHIN DENWA CO LTD·Filed 1996·Granted Nov 2, 1999·16 cites·3 claims
- 1341US6157098AFeed line connection circuit and optical transmission systemKDD CORP·Filed 1998·Granted Dec 5, 2000·14 cites·12 claims
- 1439US2002009253A1Gain equalizerFiled 2001·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →