Inventor · disambiguated record
Chihiro Ohshima
Also filed as: OHSHIMA CHIHIRO
8 granted patents·1 pending application·185 citations·filing 1998–2008
89Inventor score
Top patents by PatentIndex Score
9 records- 0192US6462861B2Optical amplifying apparatus and optical communication systemFUJITSU LTD·Filed 2001·Granted Oct 8, 2002·45 cites·40 claims
- 0291US6373623B1Optical amplifier for use in optical communications equipmentFUJITSU LTD·Filed 2000·Granted Apr 16, 2002·39 cites·10 claims
- 0386US6335823B2Optical amplifier for use in optical communications equipmentFUJITSU LTD·Filed 2001·Granted Jan 1, 2002·25 cites·6 claims
- 0483US6411429B1Optical amplifying apparatus, wide-band optical amplifying apparatus, and optical communication systemFUJITSU LTD·Filed 2000·Granted Jun 25, 2002·28 cites·48 claims
- 0577US7119950B2Amplification method and optical amplifier for wavelength division multiplexed signal lightFUJITSU LTD·Filed 2005·Granted Oct 10, 2006·7 cites·18 claims
- 0663US8958695B2Optical adding and dropping device and optical transmission apparatusOOI HIROKI·Filed 2008·Granted Feb 17, 2015·2 cites·17 claims
- 0758US6320694B1Optical amplifier for use in optical communications equipmentFUJITSU LTD·Filed 1998·Granted Nov 20, 2001·19 cites·20 claims
- 0857US6496300B2Optical amplifierFUJITSU LTD·Filed 1998·Granted Dec 17, 2002·20 cites·6 claims
- 0936US2001050805A1Optical amplifier for use in optical communications equipmentFiled 2001·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →