Inventor · disambiguated record
Yoshito Kachita
Also filed as: KACHITA YOSHITO
12 granted patents·3 pending applications·8 citations·filing 2008–2024
82Inventor score
Top patents by PatentIndex Score
15 records- 0182US12199741B2Optical transmission system, optical transmission device, and optical transmission methodFUJITSU LTD·Filed 2022·Granted Jan 14, 2025·1 cites·12 claims
- 0277US9391421B2Optical amplification apparatus, optical transmission apparatus, and optical transmission systemFUJITSU LTD·Filed 2015·Granted Jul 12, 2016·2 cites·10 claims
- 0375US9742500B2Optical transmission apparatus and optical signal processing methodFUJITSU LTD·Filed 2016·Granted Aug 22, 2017·3 cites·6 claims
- 0465US9699531B2Switchable optical amplifier and optical transmission apparatusFUJITSU LTD·Filed 2015·Granted Jul 4, 2017·1 cites·6 claims
- 0565US9520694B2Optical amplifier with loss adjustment unit based on gainFUJITSU LTD·Filed 2015·Granted Dec 13, 2016·1 cites·4 claims
- 0660US11909515B2Optical transmission system and receiving deviceFUJITSU LTD·Filed 2022·Granted Feb 20, 2024·0 cites·9 claims
- 0758US2025184001A1Optical transmission apparatus and optical transmission methodFUJITSU LTD·Filed 2024·Application pending·0 cites
- 0856US2024405869A1Raman amplification device and raman amplification methodFUJITSU LTD·Filed 2024·Application pending·0 cites
- 0949US11990988B2Optical transmission system and optical transmission deviceFUJITSU LTD·Filed 2022·Granted May 21, 2024·0 cites·8 claims
- 1047US9813183B2Optical transmission device and optical transmission systemFUJITSU LTD·Filed 2015·Granted Nov 7, 2017·0 cites·7 claims
- 1143US11228375B2Transmission system, transmission device, and transmission methodFUJITSU LTD·Filed 2019·Granted Jan 18, 2022·0 cites·18 claims
- 1240US8068730B2Wavelength division multiplex signal monitoring system and wavelength division multiplex transmission device equipped with the sameKACHITA YOSHITO·Filed 2008·Granted Nov 29, 2011·0 cites·11 claims
- 1335US9887778B2Optical amplifier, optical transmission apparatus, and optical repeating apparatusFUJITSU LTD·Filed 2016·Granted Feb 6, 2018·0 cites·15 claims
- 1432US2017005727A1Transmission loss measurement device, transmission loss measurement method, and optical transmission systemFUJITSU LTD·Filed 2016·Application pending·0 cites
- 1527US8599693B2Packet transmission device and packet transmission methodNOGUCHI TSUTOMU·Filed 2010·Granted Dec 3, 2013·0 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →