Inventor · disambiguated record
Takashi Toyomaki
Also filed as: TOYOMAKI TAKASHI
11 granted patents·49 citations·filing 2001–2012
87Inventor score
Top patents by PatentIndex Score
11 records- 0183US7831118B2Coarse wavelength division multiplexing optical transmission system, and coarse wavelength division multiplexing optical transmission methodFUJITSU LTD·Filed 2005·Granted Nov 9, 2010·11 cites·17 claims
- 0279US7684713B2Phase control apparatus and optical DQPSK receiverFUJITSU LTD·Filed 2006·Granted Mar 23, 2010·9 cites·15 claims
- 0372US8670665B2Optical apparatus using polarized orthogonal controlTOYOMAKI TAKASHI·Filed 2007·Granted Mar 11, 2014·5 cites·5 claims
- 0469US7991301B2Detecting abnormality in an optical receiverFUJITSU LTD·Filed 2008·Granted Aug 2, 2011·5 cites·5 claims
- 0568US8873972B2Optical transmission apparatus and optical transmission systemMIYASHITA TAKUYA·Filed 2012·Granted Oct 28, 2014·3 cites·11 claims
- 0667US8891961B2Optical communication device, wavelength number measurement device, optical repeater, and wavelength number measurement methodFUJITSU LTD·Filed 2012·Granted Nov 18, 2014·2 cites·6 claims
- 0764US8699884B2Optical transmission system and optical transmission methodTOYOMAKI TAKASHI·Filed 2011·Granted Apr 15, 2014·2 cites·3 claims
- 0864US7039325B2Communication systemFUJITSU LTD·Filed 2001·Granted May 2, 2006·8 cites·8 claims
- 0961US8121481B2Chromatic dispersion compensation designing method in optical network and a system thereofKATAGIRI TORU·Filed 2009·Granted Feb 21, 2012·2 cites·20 claims
- 1059US8078701B2Network design and determination of the arrangement of optical transmission devices in respective network stationsHASHIGUCHI TOMOHIRO·Filed 2008·Granted Dec 13, 2011·2 cites·14 claims
- 1142US8805194B2Optical transmission device and optical switch deviceTOYOMAKI TAKASHI·Filed 2012·Granted Aug 12, 2014·0 cites·10 claims
Join the waitlist — get patent alerts
Get an alert when Takashi Toyomaki files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →