Assignee
KAZAWA TOHRU
JP·8 granted patents·45 citations·filing 2009–2011
Top patents by PatentIndex Score
8 records- 0190US8811819B2Optical multiplexing terminal device, wavelength multiplexing passive optical network system and downlink wavelength transmission methodKAZAWA TOHRU·Filed 2009·Granted Aug 19, 2014·16 cites·7 claims
- 0286US8184977B2Optical line terminal capable of active bandwidth allocation for passive optical network systemKAZAWA TOHRU·Filed 2010·Granted May 22, 2012·6 cites·4 claims
- 0384US8260135B2Passive optical network system and wavelength assignment methodKAZAWA TOHRU·Filed 2010·Granted Sep 4, 2012·6 cites·4 claims
- 0478US8477800B2Passive optical network system and operation method thereofKAZAWA TOHRU·Filed 2010·Granted Jul 2, 2013·5 cites·9 claims
- 0573US8249455B2Passive optical network system and ranging methodKAZAWA TOHRU·Filed 2011·Granted Aug 21, 2012·3 cites·8 claims
- 0672US8467684B2Apparatus of adjusting optical signal transmission timingKAZAWA TOHRU·Filed 2011·Granted Jun 18, 2013·2 cites·7 claims
- 0771US8184976B2Passive optical network system and operating method thereofKAZAWA TOHRU·Filed 2009·Granted May 22, 2012·4 cites·5 claims
- 0868US8724995B2Passive optical network system and operating method thereofKAZAWA TOHRU·Filed 2009·Granted May 13, 2014·3 cites·7 claims
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