Inventor · disambiguated record
Hironao Hakogi
Also filed as: HAKOGI HIRONAO
22 granted patents·1 pending application·811 citations·filing 1989–2001
97Inventor score
Top patents by PatentIndex Score
23 records- 0191US5359449AOptical modulator for an optical transmitterFUJITSU LTD·Filed 1992·Granted Oct 25, 1994·127 cites·23 claims
- 0285US5802230AOptical semiconductor moduleFUJITSU LTD·Filed 1997·Granted Sep 1, 1998·71 cites·12 claims
- 0383US6181854B1Optical module packaged with molded resinFUJITSU LTD·Filed 1999·Granted Jan 30, 2001·65 cites·6 claims
- 0483US5784509AWaveguide-optical fiber connection structure and waveguide-optical fiber connection methodFUJITSU LTD·Filed 1996·Granted Jul 21, 1998·64 cites·13 claims
- 0583US5557695AWaveguide-optical fiber connection structure and waveguide-optical fiber connection methodFUJITSU LTD·Filed 1994·Granted Sep 17, 1996·58 cites·35 claims
- 0682US5784513AFiber-detachable-type optical moduleFUJITSU LTD·Filed 1997·Granted Jul 21, 1998·58 cites·10 claims
- 0781US5940563AReceptacle optical moduleFUJITSU LTD·Filed 1997·Granted Aug 17, 1999·57 cites·8 claims
- 0881US5076675APolarizing separating device and optical isolator employing the sameFUJITSU LTD·Filed 1989·Granted Dec 31, 1991·45 cites·15 claims
- 0977US5814871AOptical semiconductor assembly having a conductive float padFUJITSU LTD·Filed 1997·Granted Sep 29, 1998·56 cites·8 claims
- 1071US5263102APolarization-independent optical switches/modulatorsFUJITSU LTD·Filed 1991·Granted Nov 16, 1993·36 cites·6 claims
- 1165US6086265AFiber-detachable-type optical moduleFUJITSU LTD·Filed 1998·Granted Jul 11, 2000·28 cites·2 claims
- 1263US5473711ADielectric optical waveguide deviceFUJITSU LTD·Filed 1994·Granted Dec 5, 1995·22 cites·6 claims
- 1361US6135644AStructures for optical semiconductor module, optical connector, and shape adapting optical connectorFUJITSU LTD·Filed 1999·Granted Oct 24, 2000·25 cites·9 claims
- 1454US6227721B1Optical connectorOKI ELECTRIC IND CO LTD·Filed 1999·Granted May 8, 2001·19 cites·6 claims
- 1551US5679291AMethod of fabricating optical waveguide deviceFUJITSU LTD·Filed 1995·Granted Oct 21, 1997·17 cites·8 claims
- 1645US5598490ADielectric optical waveguide deviceFUJITSU LTD·Filed 1995·Granted Jan 28, 1997·11 cites·7 claims
- 1743US5107535AConnecting method between waveguide substrate and optical fiberFUJITSU LTD·Filed 1990·Granted Apr 21, 1992·10 cites·10 claims
- 1842US5283842AOperating point trimming method for optical waveguide modulator and switchFUJITSU LTD·Filed 1991·Granted Feb 1, 1994·10 cites·12 claims
- 1942US5185842AOptical waveguide type wavelength filterFUJITSU LTD·Filed 1991·Granted Feb 9, 1993·9 cites·5 claims
- 2041US5612086AMethod of manufacturing an optical waveguide deviceFUJITSU LTD·Filed 1993·Granted Mar 18, 1997·9 cites·15 claims
- 2139US5721426AOptical transmitting/receiving module having communication lines coupled by a single lensFUJITSU LTD·Filed 1997·Granted Feb 24, 1998·8 cites·18 claims
- 2236US2001028770A1Optical moduleFiled 2001·Application pending·0 cites
- 2334US5841927AOptical waveguide device and optical waveguide apparatusFUJITSU LTD·Filed 1994·Granted Nov 24, 1998·6 cites·16 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →