Inventor · disambiguated record
Norihiro Sakamoto
Also filed as: SAKAMOTO NORIHIRO
14 granted patents·1 pending application·96 citations·filing 1998–2011
91Inventor score
Top patents by PatentIndex Score
15 records- 0191US7620325B2Transmission apparatus with function of multi-step bandwidth assignment to other communication apparatusesHITACHI COMM TECH LTD·Filed 2006·Granted Nov 17, 2009·28 cites·3 claims
- 0290US8811819B2Optical 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
- 0385US7725031B2Passive optical network system and ranging system thereofHITACHI LTD·Filed 2008·Granted May 25, 2010·7 cites·7 claims
- 0485US7489869B2Passive optical network system and ranging system thereofHITACHI COMM TECH LTD·Filed 2007·Granted Feb 10, 2009·7 cites·4 claims
- 0583US8786804B2Surface light source device and LCD unitSAKAMOTO NORIHIRO·Filed 2011·Granted Jul 22, 2014·10 cites·14 claims
- 0680US7711268B2Passive optical network system and ranging system thereofHITACHI LTD·Filed 2008·Granted May 4, 2010·5 cites·7 claims
- 0779US8005362B2Passive optical network system and optical line terminalHITACHI LTD·Filed 2008·Granted Aug 23, 2011·6 cites·3 claims
- 0878US8477800B2Passive optical network system and operation method thereofKAZAWA TOHRU·Filed 2010·Granted Jul 2, 2013·5 cites·9 claims
- 0977US7512341B2Passive optical network system and ranging system thereofHITACHI COMM TECH LTD·Filed 2008·Granted Mar 31, 2009·4 cites·3 claims
- 1068US8724995B2Passive optical network system and operating method thereofKAZAWA TOHRU·Filed 2009·Granted May 13, 2014·3 cites·7 claims
- 1168US8532491B2Optical multiplexing terminating device, passive optical network system and method for allocating wavelengthSAKAMOTO NORIHIRO·Filed 2009·Granted Sep 10, 2013·4 cites·6 claims
- 1252US2011052112A1Sliding member for thrust bearingTAIHO KOGYO CO LTD·Filed 2008·Application pending·0 cites
- 1350US8374503B2Passive optical network system and optical line terminalHITACHI LTD·Filed 2011·Granted Feb 12, 2013·0 cites·2 claims
- 1447US8675870B2Encryption apparatusOHIRA MASAKI·Filed 2007·Granted Mar 18, 2014·0 cites·8 claims
- 1528US6140631APhotosensor for use in electrophotographySTANLEY ELECTRIC CO LTD·Filed 1998·Granted Oct 31, 2000·1 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →