Inventor · disambiguated record
Haruyoshi Uchiyama
Also filed as: UCHIYAMA HARUYOSHI
17 granted patents·2 pending applications·202 citations·filing 1994–2022
94Inventor score
Top patents by PatentIndex Score
19 records- 0182US6700655B2Optical fiber characteristic measuring deviceANDO ELECTRIC·Filed 2002·Granted Mar 2, 2004·29 cites·6 claims
- 0274US6335788B1Optical-fiber characteristics measuring apparatusANDO ELECTRIC·Filed 2000·Granted Jan 1, 2002·17 cites·3 claims
- 0359US5500762ALight frequency control apparatusANDO ELECTRIC·Filed 1994·Granted Mar 19, 1996·29 cites·1 claims
- 0455US12025530B2Optical pulse testerYOKOGAWA ELECTRIC CORP·Filed 2022·Granted Jul 2, 2024·0 cites·10 claims
- 0553US5821426AOptical fiber strain measuring apparatusANDO ELECTRIC·Filed 1997·Granted Oct 13, 1998·18 cites·9 claims
- 0651US6366348B1Optical fiber distortion measuring apparatus and optical fiber distortion measuring methodANDO ELECTRIC·Filed 2000·Granted Apr 2, 2002·5 cites·6 claims
- 0751US5561551AMethod and apparatus for determining noise factor of optical amplifierANDO ELECTRIC·Filed 1995·Granted Oct 1, 1996·19 cites·4 claims
- 0851US2022341812A1Optical pulse testerYOKOGAWA ELECTRIC CORP·Filed 2022·Application pending·0 cites
- 0949US6055044AApparatus for measuring characteristics of optical fiberANDO ELECTRIC·Filed 1998·Granted Apr 25, 2000·17 cites·14 claims
- 1049US5880463AOptical fiber strain-measuring apparatusANDO ELECTRIC·Filed 1997·Granted Mar 9, 1999·15 cites·5 claims
- 1143US5777727AOTDR measurement deviceANDO ELECTRIC·Filed 1997·Granted Jul 7, 1998·12 cites·5 claims
- 1242US5949533AOptical fiber distortion measurement device and method thereofANDO ELECTRIC·Filed 1998·Granted Sep 7, 1999·11 cites·10 claims
- 1339US5781322AMethod and apparatus for measuring the noise figure of an optical amplifierANDO ELECTRIC·Filed 1996·Granted Jul 14, 1998·11 cites·4 claims
- 1438US5880824AOptical fiber strain measuring apparatusANDO ELECTRIC·Filed 1997·Granted Mar 9, 1999·8 cites·8 claims
- 1532US5581389ALight frequency control apparatusANDO ELECTRIC·Filed 1994·Granted Dec 3, 1996·4 cites·2 claims
- 1632US5438578ALight-frequency control apparatusANDO ELECTRIC·Filed 1994·Granted Aug 1, 1995·5 cites·3 claims
- 1732US2001050768A1Optical fiber distortion measurement deviceANDO ELECTRIC·Filed 2001·Application pending·0 cites
- 1829US5493110ALight frequency synthesizerANDO ELECTRIC·Filed 1994·Granted Feb 20, 1996·2 cites·2 claims
- 1926US9255861B2Method of measuring optical loss and apparatus for measuring optical lossUCHIYAMA HARUYOSHI·Filed 2010·Granted Feb 9, 2016·0 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →