Inventor · disambiguated record
Masanobu Kawamura
Also filed as: KAWAMURA MASANOBU
23 granted patents·7 pending applications·63 citations·filing 1993–2025
94Inventor score
Top patents by PatentIndex Score
30 records- 0191US10090934B2Optical receiver module that receives wavelength-multiplexed signalSUMITOMO ELECTRIC INDUSTRIES·Filed 2016·Granted Oct 2, 2018·9 cites·19 claims
- 0284US10432339B2Process of assembling optical receiver moduleSUMITOMO ELECTRIC INDUSTRIES·Filed 2018·Granted Oct 1, 2019·4 cites·8 claims
- 0380US8756357B2Data processor and control systemRENESAS ELECTRONICS CORP·Filed 2013·Granted Jun 17, 2014·3 cites·4 claims
- 0476US10484121B2Receiver optical module implementing optical attenuatorSUMITOMO ELECTRIC INDUSTRIES·Filed 2018·Granted Nov 19, 2019·2 cites·13 claims
- 0575US10128974B2Optical receiver module and process to assemble optical receiver moduleSUMITOMO ELECTRIC INDUSTRIES·Filed 2015·Granted Nov 13, 2018·3 cites·9 claims
- 0674US10048458B2Optical moduleSUMITOMO ELECTRIC INDUSTRIES·Filed 2017·Granted Aug 14, 2018·2 cites·10 claims
- 0774US9116318B2Optical module with device unit electrically isolated from optical receptacleFUJIMURA YASUSHI·Filed 2012·Granted Aug 25, 2015·4 cites·11 claims
- 0868US7822899B2Data processor and control systemRENESAS ELECTRONICS CORP·Filed 2008·Granted Oct 26, 2010·2 cites·36 claims
- 0966US6820179B2Semiconductor device and data processing systemHITACHI HOKKAI SEMICONDUCTOR·Filed 2001·Granted Nov 16, 2004·16 cites·14 claims
- 1065US10324875B2Data processor and control systemRENESAS ELECTRONICS CORP·Filed 2018·Granted Jun 18, 2019·0 cites·3 claims
- 1164US10281653B2Optical receiver module and process to assemble optical receiver moduleSUMITOMO ELECTRIC INDUSTRIES·Filed 2015·Granted May 7, 2019·1 cites·11 claims
- 1263US10261273B2Bi-directional optical module communicating with single optical fiber and optical transceiver implementing the sameSUMITOMO ELECTRIC INDUSTRIES·Filed 2016·Granted Apr 16, 2019·1 cites·20 claims
- 1362US2025300421A1Optical semiconductor deviceSEDI INC·Filed 2025·Application pending·0 cites
- 1462US2025300425A1Optical moduleSEDI INC·Filed 2025·Application pending·0 cites
- 1561US11901946B2Optical transmitterSUMITOMO ELECTRIC INDUSTRIES·Filed 2021·Granted Feb 13, 2024·0 cites·7 claims
- 1661US10007623B2Data processor and control systemRENESAS ELECTRONICS CORP·Filed 2016·Granted Jun 26, 2018·0 cites·6 claims
- 1760US9052912B2Data processor and control systemRENESAS ELECTRONICS CORP·Filed 2014·Granted Jun 9, 2015·0 cites·6 claims
- 1859US9367494B2Data processor and control systemRENESAS ELECTRONICS CORP·Filed 2015·Granted Jun 14, 2016·0 cites·5 claims
- 1954US8489788B2Data processor and control systemOYAMA HIDEMI·Filed 2012·Granted Jul 16, 2013·0 cites·10 claims
- 2053US8219731B2Data processor and control systemOYAMA HIDEMI·Filed 2011·Granted Jul 10, 2012·0 cites·8 claims
- 2151US12429657B2Optical device and manufacturing method for optical deviceSEDI INC·Filed 2021·Granted Sep 30, 2025·0 cites·5 claims
- 2251US8074005B2Data processor and control systemOYAMA HIDEMI·Filed 2010·Granted Dec 6, 2011·0 cites·5 claims
- 2350US2022107475A1Method of manufacturing optical module and optical moduleSUMITOMO ELECTRIC INDUSTRIES·Filed 2021·Application pending·0 cites
- 2449US2023258889A1Optical device, base, and base manufacturing methodSEDI INC·Filed 2021·Application pending·0 cites
- 2547US11169329B2Optical receiver and optical blockSUMITOMO ELECTRIC INDUSTRIES·Filed 2020·Granted Nov 9, 2021·0 cites·11 claims
- 2647US2024154386A1Optical transmitterSUMITOMO ELECTRIC INDUSTRIES·Filed 2021·Application pending·0 cites
- 2745US2014133862A1Receiver optical module installing optical demultiplexer and method to produce optical demultiplexerSUMITOMO ELECTRIC INDUSTRIES·Filed 2013·Application pending·0 cites
- 2842US5524087AMethod of forming a signal wave from first and second waveform dataHITACHI LTD·Filed 1995·Granted Jun 4, 1996·14 cites·8 claims
- 2936US2015365176A1Process to assemble optical receiver moduleSUMITOMO ELECTRIC INDUSTRIES·Filed 2015·Application pending·0 cites
- 3029US5418734AFinely adjustable signal wave forming circuit including complementary clock signal countersHITACHI LTD·Filed 1993·Granted May 23, 1995·2 cites·14 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →