Inventor · disambiguated record
Takeharu Yamaguchi
Also filed as: YAMAGUCHI TAKEHARU
18 granted patents·1 pending application·113 citations·filing 1997–2016
93Inventor score
Top patents by PatentIndex Score
19 records- 0189US9541645B2Detecting device, fish finder and detecting methodFURUNO ELECTRIC CO·Filed 2015·Granted Jan 10, 2017·10 cites·11 claims
- 0289US6545296B1Semiconductor light emitting deviceFURUKAWA ELECTRIC CO LTD·Filed 2000·Granted Apr 8, 2003·30 cites·7 claims
- 0381US6524016B1Semiconductor laser moduleFURUKAWA ELECTRIC CO LTD·Filed 2000·Granted Feb 25, 2003·18 cites·38 claims
- 0471US9722406B2Undersea cable, undersea cable installation structure, and method for installing undersea cableFURUKAWA ELECTRIC CO LTD·Filed 2016·Granted Aug 1, 2017·1 cites·9 claims
- 0568US6683902B1Semiconductor laser moduleFURUKAWA ELECTRIC CO LTD·Filed 2000·Granted Jan 27, 2004·9 cites·20 claims
- 0661US6911713B2Optical device having a carrier-depleted layerFURUKAWA ELECTRIC CO LTD·Filed 2003·Granted Jun 28, 2005·9 cites·20 claims
- 0758US6821798B2Semiconductor optical device and method for fabricating sameFURUKAWA ELECTRIC CO LTD·Filed 2002·Granted Nov 23, 2004·6 cites·18 claims
- 0853US6738405B1Semiconductor laserFURUKAWA ELECTRIC CO LTD·Filed 2000·Granted May 18, 2004·3 cites·3 claims
- 0952US6532107B2Optical amplifier, light source module and optical systemFURUKAWA ELECTRIC CO LTD·Filed 2001·Granted Mar 11, 2003·3 cites·18 claims
- 1049US7760586B2Bottom-sediment classification device and methodUNIV TOKYO·Filed 2008·Granted Jul 20, 2010·3 cites·16 claims
- 1145US9857467B2Detection deviceFURUNO ELECTRIC CO·Filed 2015·Granted Jan 2, 2018·0 cites·16 claims
- 1241US5973339ASemiconductor photodetector having an optical attenuatorFURUKAWA ELECTRIC CO LTD·Filed 1997·Granted Oct 26, 1999·10 cites·6 claims
- 1339US7443081B2Multi-frequency transmission/reception apparatusFURUNO ELECTRIC CO·Filed 2002·Granted Oct 28, 2008·4 cites·5 claims
- 1436US6810063B1Semiconductor laser deviceFURUKAWA ELECTRIC CO LTD·Filed 2000·Granted Oct 26, 2004·0 cites·30 claims
- 1535US9310483B2Device and method for transceiving ultrasonic waveFURUNO ELECTRIC CO·Filed 2013·Granted Apr 12, 2016·0 cites·10 claims
- 1635US2002100911A1Semiconductor optical device having reduced parasitic capacitanceFURUKAWA ELECTRIC CO LTD·Filed 2001·Application pending·0 cites
- 1734US5929461AOptical semiconductor device having a semiconductor laminate mirrorFURUKAWA ELECTRIC CO LTD·Filed 1997·Granted Jul 27, 1999·4 cites·6 claims
- 1832US6115116AWaveguide-type variable-sensitivity semiconductor photodetectorFURUKAWA ELECTRIC CO LTD·Filed 1998·Granted Sep 5, 2000·3 cites·4 claims
- 1928US9268022B2Underwater detection device and underwater detecting methodYAMAGUCHI TAKEHARU·Filed 2012·Granted Feb 23, 2016·0 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →