Inventor · disambiguated record
Haruki Ogoshi
Also filed as: OGOSHI HARUKI
12 granted patents·4 pending applications·457 citations·filing 1990–2024
93Inventor score
Files withFURUKAWA ELECTRIC CO LTD15
Top patents by PatentIndex Score
16 records- 0191US6411430B1Optical amplifierFURUKAWA ELECTRIC CO LTD·Filed 2000·Granted Jun 25, 2002·38 cites·17 claims
- 0291US5883736AEr-doped optical fiber amplifierFURUKAWA ELECTRIC CO LTD·Filed 1997·Granted Mar 16, 1999·118 cites·4 claims
- 0390US5965874AMethod and apparatus for measuring the polarization characteristics of optical transmission mediumFURUKAWA ELECTRIC CO LTD·Filed 1997·Granted Oct 12, 1999·69 cites·19 claims
- 0489US10938175B2Light source for Raman amplification, light source system for Raman amplification, Raman amplifier, and Raman amplifying systemFURUKAWA ELECTRIC CO LTD·Filed 2017·Granted Mar 2, 2021·4 cites·15 claims
- 0579US6333803B1Optical transmitterFURUKAWA ELECTRIC CO LTD·Filed 1998·Granted Dec 25, 2001·79 cites·8 claims
- 0678US5379357AMethod and apparatus for polarized optical telecommunications using ultrasonic modulation meansFURUKAWA ELECTRIC CO LTD·Filed 1993·Granted Jan 3, 1995·58 cites·4 claims
- 0772US11652329B2Light source for Raman amplification, light source system for Raman amplification, Raman amplifier, and Raman amplifying systemFURUKAWA ELECTRIC CO LTD·Filed 2021·Granted May 16, 2023·0 cites·18 claims
- 0870US2025023316A1Raman amplifier and method for designing raman amplifierFURUKAWA ELECTRIC CO LTD·Filed 2024·Application pending·0 cites
- 0965US2024332884A1Light source, light source device, method of driving light source, raman amplifier, and raman amplification systemFURUKAWA ELECTRIC CO LTD·Filed 2024·Application pending·0 cites
- 1064US5202746AMethod and apparatus for identifying an optical transmission mediumFURUKAWA ELECTRIC CO LTD·Filed 1990·Granted Apr 13, 1993·33 cites·8 claims
- 1164US2023231629A1Light source, light source device, method of driving light source, raman amplifier, and raman amplification systemFURUKAWA ELECTRIC CO LTD·Filed 2023·Application pending·0 cites
- 1262US5933552AOptical filter, manufacturing method thereof and optical amplifier equipped with said optical filterFURUKAWA ELECTRIC CO LTD·Filed 1997·Granted Aug 3, 1999·33 cites·4 claims
- 1340US6198570B1Optical filter, manufacturing method thereof, and optical amplifier equipped with said optical filterFURUKAWA ELECTRIC CO LTD·Filed 1999·Granted Mar 6, 2001·9 cites·8 claims
- 1440US5808768AOptical telecommunications systemFURUKAWA ELECTRIC CO LTD·Filed 1995·Granted Sep 15, 1998·10 cites·1 claims
- 1538US2003108283A1Optical demultiplexer moduleFiled 2002·Application pending·0 cites
- 1629US6028698AHigh-output and low-noise optical fiber amplifierFURUKAWA ELECTRIC CO LTD·Filed 1997·Granted Feb 22, 2000·6 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →