Inventor · disambiguated record

Hiroaki Sanjoh

Also filed as: SANJOH HIROAKI

2 granted patents·20 citations·filing 2002–2018

53Inventor score

Technology areasH03F H04B

Files withNIPPON TELEGRAPH & TELEPHONE2

Top patents by PatentIndex Score

2 records

0173US7113702B2Wavelength division multiplexing optical transmission system and transmission methodNIPPON TELEGRAPH & TELEPHONE·Filed 2002·Granted Sep 26, 2006·20 cites·19 claims
0246US10804857B2AmplifierNIPPON TELEGRAPH & TELEPHONE·Filed 2018·Granted Oct 13, 2020·0 cites·18 claims

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