Inventor · disambiguated record
Takayuki Miyakawa
Also filed as: MIYAKAWA TAKAYUKI
8 granted patents·237 citations·filing 1996–2019
88Inventor score
Top patents by PatentIndex Score
8 records- 0189US5822095AOptical add-drop multiplexerKOKUSAI DENSHIN DENWA CO LTD·Filed 1996·Granted Oct 13, 1998·115 cites·5 claims
- 0286US11667184B2Hybrid electric vehicleNISSAN MOTOR·Filed 2019·Granted Jun 6, 2023·6 cites·3 claims
- 0373US5912750AOptical transmission lineKOKUSAI DENSHIN DENWA CO LTD·Filed 1997·Granted Jun 15, 1999·40 cites·4 claims
- 0469US6748178B2Optical transmission lineDDI CORP·Filed 2001·Granted Jun 8, 2004·11 cites·3 claims
- 0569US5926300AOptical add-drop multiplexerKOKUSAI DENSHIN DENWA CO LTD·Filed 1997·Granted Jul 20, 1999·33 cites·10 claims
- 0668US6519078B2Raman amplifierKDD SUBMARINE CABLE SYS INC·Filed 2001·Granted Feb 11, 2003·9 cites·10 claims
- 0760US5920413AMethod and device for optical add/drop multiplexing using high speed polarization scramblerKOKUSAI DENSHIN DENWA CO LTD·Filed 1997·Granted Jul 6, 1999·23 cites·18 claims
- 0844US7050220B2Raman gain measuring method and apparatusKDDI CORP·Filed 2004·Granted May 23, 2006·0 cites·20 claims
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