Inventor · disambiguated record
Naohiro Sakakida
Also filed as: SAKAKIDA NAOHIRO
15 granted patents·348 citations·filing 1993–2008
94Inventor score
Technology areasH04J
Top patents by PatentIndex Score
15 records- 0195US5500756AOptical fiber transmission system and supervision method of the sameHITACHI LTD·Filed 1993·Granted Mar 19, 1996·183 cites·13 claims
- 0286US5555477AOptical transmission system constructing method and systemHITACHI LTD·Filed 1993·Granted Sep 10, 1996·48 cites·5 claims
- 0371US6728489B2Optical transmission system constructing method and systemHITACHI LTD·Filed 2001·Granted Apr 27, 2004·6 cites·5 claims
- 0471US5812289AOptical repeater and optical transmitterHITACHI LTD·Filed 1996·Granted Sep 22, 1998·23 cites·26 claims
- 0567US7292785B2Optical transmission system constructing method and systemHITACHI LTD·Filed 2006·Granted Nov 6, 2007·2 cites·2 claims
- 0667US6266169B1Optical transmission equipment which transmits an amplified optical data signal and an optical surveillance signalHITACHI LTD·Filed 1999·Granted Jul 24, 2001·21 cites·4 claims
- 0766US7769257B2Optical transmission system and signal speed converting apparatusHITACHI LTD·Filed 2008·Granted Aug 3, 2010·3 cites·22 claims
- 0858US6005699AOptical wavelength multiplexing systemHITACHI LTD·Filed 1997·Granted Dec 21, 1999·21 cites·17 claims
- 0958US5861972AOptical multiplex transmission equipment and methodHITACHI LTD·Filed 1996·Granted Jan 19, 1999·12 cites·37 claims
- 1054US7167652B2Optical transmission system constructing method and systemHITACHI LTD·Filed 2004·Granted Jan 23, 2007·1 cites·3 claims
- 1151US5875046AOptical repeater and optical transmitterHITACHI LTD·Filed 1996·Granted Feb 23, 1999·9 cites·12 claims
- 1249US5739932AOptical transmission system constructing method and systemHITACHI LTD·Filed 1996·Granted Apr 14, 1998·8 cites·6 claims
- 1348US6018405AOptical transmission equipment which transmits an amplified optical data signal and an optical surveillance signalHITACHI LTD·Filed 1999·Granted Jan 25, 2000·7 cites·2 claims
- 1438US5671074AOptical multiplex transmission equipment and methodHITACHI LTD·Filed 1996·Granted Sep 23, 1997·4 cites·8 claims
- 1537US8634426B2Transmission device with function of packetizing and transmittingNOGI YOSHIO·Filed 2008·Granted Jan 21, 2014·0 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →