Inventor · disambiguated record
Yasuyuki Fukashiro
Also filed as: FUKASHIRO YASUYUKI
33 granted patents·4 pending applications·212 citations·filing 1998–2011
97Inventor score
Top patents by PatentIndex Score
37 records- 0193US7526200B2Wavelength-division multiplexing optical transmitterHITACHI COMM TECH LTD·Filed 2005·Granted Apr 28, 2009·21 cites·7 claims
- 0285US7215843B2Optical switching apparatus and optical switching methodHITACHI LTD·Filed 2005·Granted May 8, 2007·9 cites·16 claims
- 0383US7877011B2Optical switch and optical crossconnect apparatusHITACHI LTD·Filed 2007·Granted Jan 25, 2011·10 cites·4 claims
- 0482US6933852B2Optical switching apparatus and optical communication network systemHITACHI LTD·Filed 2002·Granted Aug 23, 2005·18 cites·12 claims
- 0577US6987899B2Optical switching apparatus and optical switching methodHITACHI LTD·Filed 2003·Granted Jan 17, 2006·11 cites·4 claims
- 0676US7447398B2Optical crossconnect apparatusHITACHI COMM TECH LTD·Filed 2006·Granted Nov 4, 2008·6 cites·14 claims
- 0775US7447430B2Optical cross connect apparatus and optical transmission systemHITACHI COMM TECH LTD·Filed 2005·Granted Nov 4, 2008·6 cites·3 claims
- 0874US6778725B1Optical switching apparatus, optical transmission system and method of setting up for optical signal routeHITACHI LTD·Filed 2002·Granted Aug 17, 2004·9 cites·13 claims
- 0974US6362905B1Optical crossconnect apparatus and optical transmission systemHITACHI LTD·Filed 1998·Granted Mar 26, 2002·36 cites·8 claims
- 1073US7356257B2Optical switching apparatus and optical communication network systemHITACHI LTD·Filed 2005·Granted Apr 8, 2008·4 cites·12 claims
- 1171US6714697B2Optical switching apparatus and optical switching methodHITACHI LTD·Filed 2001·Granted Mar 30, 2004·7 cites·12 claims
- 1269US7848646B2Optical, network, node apparatus and method for recovery path faultHITACHI LTD·Filed 2006·Granted Dec 7, 2010·4 cites·8 claims
- 1368US6839480B2Optical switching apparatus, optical transmission system and method of setting up for optical signal routeHITACHI LTD·Filed 2003·Granted Jan 4, 2005·6 cites·2 claims
- 1465US8165467B2Optical transmission system and optical nodeFUKASHIRO YASUYUKI·Filed 2008·Granted Apr 24, 2012·3 cites·10 claims
- 1565US7542672B2Optical switching apparatus with optical reflection monitor and reflection monitoring systemHITACHI LTD·Filed 2007·Granted Jun 2, 2009·4 cites·4 claims
- 1664US8693869B2Optical transport apparatus and optical transport systemFUKASHIRO YASUYUKI·Filed 2011·Granted Apr 8, 2014·2 cites·12 claims
- 1764US6813445B2Optical crossconnect apparatus and optical transmission systemHITACHI LTD·Filed 2002·Granted Nov 2, 2004·6 cites·6 claims
- 1862US6341032B1Method and system for reducing optical surgeHITACHI LTD·Filed 1999·Granted Jan 22, 2002·24 cites·31 claims
- 1961US7435013B2Variable dispersion compensation equipment, optical transmission system using it and method of setting dispersion compensation quantityHITACHI COMM TECH LTD·Filed 2005·Granted Oct 14, 2008·2 cites·9 claims
- 2061US6985649B2Optical switching apparatus and optical switching methodHITACHI LTD·Filed 2001·Granted Jan 10, 2006·3 cites·14 claims
- 2158US8638823B2Sending apparatus, receiving apparatus, and transmission systemTAKEUCHI HIROSHI·Filed 2011·Granted Jan 28, 2014·1 cites·8 claims
- 2258US8626001B2Optical communication card and optical transmission deviceKAMAKURA MASAFUMI·Filed 2011·Granted Jan 7, 2014·2 cites·5 claims
- 2357US7206475B2Optical switching apparatus, optical transmission system and method of setting up for optical signal routeHITACHI LTD·Filed 2004·Granted Apr 17, 2007·2 cites·2 claims
- 2456US7218818B2Dispersion compensation device and dispersion compensation methodHITACHI COMM TECH LTD·Filed 2005·Granted May 15, 2007·1 cites·8 claims
- 2556US6970614B2Optical switching equipment, optical transport network, and methods of using themHITACHI LTD·Filed 2002·Granted Nov 29, 2005·3 cites·12 claims
- 2647US7272314B2Optical crossconnect apparatus and optical transmission systemHITACHI LTD·Filed 2004·Granted Sep 18, 2007·0 cites·2 claims
- 2747US6229932B1Optical signal switching apparatusHITACHI LTD·Filed 1998·Granted May 8, 2001·12 cites·15 claims
- 2847US2009317078A1Optical transmission device and optical transmission methodHITACHI COMM TECH LTD·Filed 2009·Application pending·0 cites
- 2944US7415177B2Dispersion compensation device and dispersion compensation methodHITACHI COMM TECH LTD·Filed 2007·Granted Aug 19, 2008·0 cites·8 claims
- 3043US8131155B2Optical signal transmission apparatusFUKASHIRO YASUYUKI·Filed 2008·Granted Mar 6, 2012·0 cites·4 claims
- 3138US8498537B2Optical cross-connect apparatusUCHIYAMA YASUHIRO·Filed 2010·Granted Jul 30, 2013·0 cites·6 claims
- 3238US6334009B1Optical signal switching apparatusHITACHI LTD·Filed 2000·Granted Dec 25, 2001·0 cites·15 claims
- 3337US8712255B2Optical receiver and optical transfer apparatusTAKEUCHI HIROSHI·Filed 2011·Granted Apr 29, 2014·0 cites·6 claims
- 3436US2008056159A1Method for setting path and node apparatusSUZUKI MOTOKI·Filed 2007·Application pending·0 cites
- 3536US2007274224A1Path setting method, node device, and monitoring/control deviceSUZUKI MOTOKI·Filed 2007·Application pending·0 cites
- 3631US8588615B2Optical communication card and communication deviceKAMAKURA MASAFUMI·Filed 2011·Granted Nov 19, 2013·0 cites·9 claims
- 3729US2003026524A1Optical switching apparatus with optical reflection monitor and reflection monitoring systemFiled 2002·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →