Inventor · disambiguated record
Masaru Takechi
Also filed as: TAKECHI MASARU
10 granted patents·10 pending applications·52 citations·filing 1998–2022
85Inventor score
Files withSUMITOMO ELECTRIC INDUSTRIES7MITSUYA SHIGEAKI3FUJISAWA HIROSHI2TAKECHI MASARU2BABA AKITSUGU1
Top patents by PatentIndex Score
20 records- 0188US11604369B2Bias control method of optical modulator and optical transmission moduleSUMITOMO ELECTRIC INDUSTRIES·Filed 2022·Granted Mar 14, 2023·2 cites·6 claims
- 0273US9780885B2Optical receiver and optical axis alignment method thereofSUMITOMO ELECTRIC INDUSTRIES·Filed 2017·Granted Oct 3, 2017·2 cites·5 claims
- 0369US9780884B2Optical receiver and optical axis alignment method thereofSUMITOMO ELECTRIC INDUSTRIES·Filed 2014·Granted Oct 3, 2017·2 cites·3 claims
- 0469US6490010B1AFC circuit, carrier recovery circuit and receiver device capable of regenerating a carrier reliably even at the time of low C/N ratioFiled 1998·Granted Dec 3, 2002·39 cites·10 claims
- 0567US9684126B2Optical module having multi-mode coupler formed on semiconductor substrateSUMITOMO ELECTRIC INDUSTRIES·Filed 2016·Granted Jun 20, 2017·1 cites·11 claims
- 0666US9419723B2Optical receiver and method for manufacturing the sameSUMITOMO ELECTRIC INDUSTRIES·Filed 2014·Granted Aug 16, 2016·2 cites·8 claims
- 0760US8997141B2Cooperative communication/broadcasting system, application management server, receiver, reception method for receiver, and application management method for application management serverMITSUYA SHIGEAKI·Filed 2012·Granted Mar 31, 2015·2 cites·8 claims
- 0852US9163982B2Optical receiver deviceTAKECHI MASARU·Filed 2011·Granted Oct 20, 2015·2 cites·11 claims
- 0944US2008217236A1Cartridge type oil filter and engine cleaning deviceJAPAN CERAMIC DEVICE CO LTD·Filed 2007·Application pending·0 cites
- 1042US10476602B2Optical circuitSUMITOMO ELECTRIC INDUSTRIES·Filed 2018·Granted Nov 12, 2019·0 cites·14 claims
- 1139US10056977B2Method of measuring frequency response of optical coherent receiverSUMITOMO ELECTRIC INDUSTRIES·Filed 2017·Granted Aug 21, 2018·0 cites·6 claims
- 1238US2014157319A1Program switching control device and programKIMURA TORU·Filed 2012·Application pending·0 cites
- 1337US2014143802A1Signal processing device and programHAMADA HIROYUKI·Filed 2012·Application pending·0 cites
- 1436US2014089994A1Integrated broadcasting communications receiverFUJISAWA HIROSHI·Filed 2012·Application pending·0 cites
- 1536US2014090005A1Integrated broadcasting communications receiverFUJISAWA HIROSHI·Filed 2012·Application pending·0 cites
- 1635US2014150015A1ReceiverMATSUMURA KINJI·Filed 2012·Application pending·0 cites
- 1731US2014090000A1Integrated broadcasting communications receiverTAKECHI MASARU·Filed 2012·Application pending·0 cites
- 1831US2014304732A1Broadcast equipmentMITSUYA SHIGEAKI·Filed 2012·Application pending·0 cites
- 1931US2014214967A1Receiver and reception methodBABA AKITSUGU·Filed 2012·Application pending·0 cites
- 2031US2014040437A1Receiver and reception methodMITSUYA SHIGEAKI·Filed 2012·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Masaru Takechi files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →