Inventor · disambiguated record
Hiroyuki Koshi
Also filed as: KOSHI HIROYUKI
16 granted patents·2 pending applications·185 citations·filing 1984–2023
93Inventor score
Top patents by PatentIndex Score
18 records- 0180US4798463ASpectrofluorophotometerHITACHI LTD·Filed 1987·Granted Jan 17, 1989·43 cites·8 claims
- 0274US4699512ADevice for measuring fluorescence polarizationHITACHI LTD·Filed 1985·Granted Oct 13, 1987·38 cites·4 claims
- 0369US6539158B2Optical waveguide circuitFURUKAWA ELECTRIC CO LTD·Filed 2001·Granted Mar 25, 2003·11 cites·2 claims
- 0464US6195481B1Array waveguide diffraction grating optical multiplexer/demultiplexerFURUKAWA ELECTRIC CO LTD·Filed 1999·Granted Feb 27, 2001·29 cites·4 claims
- 0563US8743920B2Wavelength variable light source systemKOSHI HIROYUKI·Filed 2010·Granted Jun 3, 2014·3 cites·17 claims
- 0659US12424848B2Power systemUNIV TOHOKU·Filed 2023·Granted Sep 23, 2025·0 cites·8 claims
- 0756US5112646AApparatus for bioluminescence measurementHITACHI LTD·Filed 1991·Granted May 12, 1992·22 cites·11 claims
- 0853US10456767B2Cytometric mechanism, cell culture device comprising same, and cytometric methodHITACHI HIGH TECH CORP·Filed 2014·Granted Oct 29, 2019·0 cites·4 claims
- 0952US6415072B1Optical wavelength multiplexing and dividing deviceFURUKAWA ELECTRIC CO LTD·Filed 2000·Granted Jul 2, 2002·4 cites·8 claims
- 1051US6804430B2Optical multiplexer/demultiplexerFURUKAWA ELECTRIC CO LTD·Filed 2002·Granted Oct 12, 2004·5 cites·18 claims
- 1151US6618521B2Wavelength multiplexing module with polarization maintaining fibers as depolarizersFURUKAWA ELECTRIC CO LTD·Filed 2001·Granted Sep 9, 2003·4 cites·3 claims
- 1249US6480642B1Hybrid optical waveguide circuit chip, and method for predicting the characteristics thereofFURUKAWA ELECTRIC CO LTD·Filed 2000·Granted Nov 12, 2002·3 cites·5 claims
- 1347US6728447B2Optical multiplexer/demultiplexerFURUKAWA ELECTRIC CO LTD·Filed 2002·Granted Apr 27, 2004·2 cites·16 claims
- 1439US4779982ASpectrofluorophotometer with monitor detector for light sourceHITACHI LTD·Filed 1985·Granted Oct 25, 1988·9 cites·6 claims
- 1537US4957366AFluorescence spectrophotometer and wavelength setting method thereforHITACHI LTD·Filed 1989·Granted Sep 18, 1990·7 cites·11 claims
- 1637US2013201477A1Elementary analysis apparatus and methodKURITA KOJI·Filed 2011·Application pending·0 cites
- 1736US2002015561A1Optical waveguide type directional coupler and optical waveguide circuit using the sameFiled 2001·Application pending·0 cites
- 1835US4647202ASpectrophosphorimetryHITACHI LTD·Filed 1984·Granted Mar 3, 1987·5 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →