Inventor · disambiguated record
Naokatsu Ohkawa
Also filed as: OHKAWA NAOKATSU
2 granted patents·4 pending applications·7 citations·filing 2001–2008
45Inventor score
Technology areasH04J
Files withFUJITSU LTD6
Top patents by PatentIndex Score
6 records- 0162US7162544B2Message transfer method and apparatusFUJITSU LTD·Filed 2001·Granted Jan 9, 2007·7 cites·8 claims
- 0237US7720380B2Optical transmission apparatus in ring transmission systemFUJITSU LTD·Filed 2007·Granted May 18, 2010·0 cites·5 claims
- 0334US2006067211A1Node device, communication system and method for redundancy configurationFUJITSU LTD·Filed 2004·Application pending·0 cites
- 0432US2008181606A1Optical bi-directional line-switched ring transmission system, transmission apparatus, and through cross-connect setting methodFUJITSU LTD·Filed 2008·Application pending·0 cites
- 0529US2007217330A1Ring network system, node device, and protection band testing method for the ring network systemFUJITSU LTD·Filed 2006·Application pending·0 cites
- 0629US2007070884A1Signal transmission method and deviceFUJITSU LTD·Filed 2005·Application pending·0 cites
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →