Inventor · disambiguated record
Katsumi Uesaka
Also filed as: UESAKA KATSUMI
23 granted patents·11 pending applications·162 citations·filing 1992–2024
94Inventor score
Files withSUMITOMO ELECTRIC INDUSTRIES24UESAKA KATSUMI3INNOVATION CORE SEI INC2KATO TAKATOSHI1MOTO AKIHIRO1
Top patents by PatentIndex Score
34 records- 0185US9274399B2Optical modulatorSUMITOMO ELECTRIC INDUSTRIES·Filed 2014·Granted Mar 1, 2016·4 cites·4 claims
- 0284US8620116B2Optical modulation apparatus, method for controlling optical modulation apparatusUESAKA KATSUMI·Filed 2012·Granted Dec 31, 2013·5 cites·12 claims
- 0384US7483459B2Laser driver with selectable output impedanceSUMITOMO ELECTRIC INDUSTRIES·Filed 2006·Granted Jan 27, 2009·8 cites·11 claims
- 0480US7912380B2Optical receiverSUMITOMO ELECTRIC INDUSTRIES·Filed 2006·Granted Mar 22, 2011·7 cites·5 claims
- 0579US8121160B2Driver circuit for semiconductor laser diode driven in differential modeMOTO AKIHIRO·Filed 2009·Granted Feb 21, 2012·6 cites·6 claims
- 0679US5600472ADistortion generating circuitSUMITOMO ELECTRIC INDUSTRIES·Filed 1994·Granted Feb 4, 1997·64 cites·24 claims
- 0777US9395504B2System to control wavelength and method to control wavelengthSUMITOMO ELECTRIC INDUSTRIES·Filed 2014·Granted Jul 19, 2016·4 cites·15 claims
- 0873US7418018B2Driver circuit for semiconductor laser diodeSUMITOMO ELECTRIC INDUSTRIES·Filed 2006·Granted Aug 26, 2008·4 cites·14 claims
- 0972US11128104B2Wavelength-tunable light source and wavelength control method for the sameSUMITOMO ELECTRIC INDUSTRIES·Filed 2019·Granted Sep 21, 2021·1 cites·6 claims
- 1071US9395487B2Wavelength monitorSUMITOMO ELECTRIC INDUSTRIES·Filed 2014·Granted Jul 19, 2016·2 cites·5 claims
- 1170US12066669B2Optical deviceSUMITOMO ELECTRIC INDUSTRIES·Filed 2021·Granted Aug 20, 2024·0 cites·19 claims
- 1270US5329173ASignal detecting circuit apparatusSUMITOMO ELECTRIC INDUSTRIES·Filed 1993·Granted Jul 12, 1994·23 cites·5 claims
- 1368US7492797B2Laser driver circuitSUMITOMO ELECTRIC INDUSTRIES·Filed 2005·Granted Feb 17, 2009·3 cites·8 claims
- 1467US2024429676A1Optical moduleSUMITOMO ELECTRIC INDUSTRIES·Filed 2024·Application pending·0 cites
- 1565US8216866B2Method to manufacture semiconductor device with optical gratingUESAKA KATSUMI·Filed 2010·Granted Jul 10, 2012·2 cites·10 claims
- 1664US2025201735A1Optical semiconductor device and method for manufacturing optical semiconductor deviceSUMITOMO ELECTRIC INDUSTRIES·Filed 2024·Application pending·0 cites
- 1764US2025105157A1Bridge chip and semiconductor integrated moduleSUMITOMO ELECTRIC INDUSTRIES·Filed 2024·Application pending·0 cites
- 1861US2025199238A1Optical module and optoelectronic substrateSUMITOMO ELECTRIC INDUSTRIES·Filed 2024·Application pending·0 cites
- 1960US8660388B2Optical modulation apparatus, method for controlling optical modulator, and control device for optical modulatorSEKI MORIHIRO·Filed 2011·Granted Feb 25, 2014·1 cites·11 claims
- 2059US7358818B2Optical receiver for an optical communicationSUMITOMO ELECTRIC INDUSTRIES·Filed 2004·Granted Apr 15, 2008·10 cites·13 claims
- 2159US5224112ASemiconductor laser device driving circuitSUMITOMO ELECTRIC INDUSTRIES·Filed 1992·Granted Jun 29, 1993·18 cites·7 claims
- 2255US2023341593A1Light deviceSUMITOMO ELECTRIC INDUSTRIES·Filed 2023·Application pending·0 cites
- 2349US9444221B2Laser apparatus and method to re-tune emission wavelength tunable LDSUMITOMO ELECTRIC INDUSTRIES·Filed 2015·Granted Sep 13, 2016·0 cites·16 claims
- 2448US7978741B2Optical transmitter with a shunt driving configuration and a load transistor operated in common gate modeSUMITOMO ELECTRIC INDUSTRIES·Filed 2007·Granted Jul 12, 2011·0 cites·7 claims
- 2546US9686018B2Optical transmitter emitting light with narrowed linewidthSUMITOMO ELECTRIC INDUSTRIES·Filed 2016·Granted Jun 20, 2017·0 cites·12 claims
- 2646US2006197008A1Light-receiving device having an optical fuseKATO TAKATOSHI·Filed 2006·Application pending·0 cites
- 2745US8781263B2Optical modulatorYAMAJI KAZUHIRO·Filed 2011·Granted Jul 15, 2014·0 cites·16 claims
- 2845US2010209100A1Optical receiverSUMITOMO ELECTRIC INDUSTRIES·Filed 2010·Application pending·0 cites
- 2944US9819149B2Optical transmitter implementing wavelength tunable diodeSUMITOMO ELECTRIC INDUSTRIES·Filed 2016·Granted Nov 14, 2017·0 cites·15 claims
- 3043US2007230526A1Semiconductor laser module driven in shunt-driving configurationSUMITOMO ELECTRIC INDUSTRIES·Filed 2007·Application pending·0 cites
- 3140US8218976B2Optical receiver with trans-impedance responding in bit-by-bit to input signalUESAKA KATSUMI·Filed 2010·Granted Jul 10, 2012·0 cites·6 claims
- 3240US2004057735A1Optical transmitter using highly nonlinear fiber and methodFiled 2002·Application pending·0 cites
- 3340US2004067065A1Optical transmitter using nonlinear material and methodINNOVATION CORE SEI INC·Filed 2002·Application pending·0 cites
- 3440US2004067066A1Optical transmission system using nonlinear materialINNOVATION CORE SEI INC·Filed 2002·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →