Assignee
SEDI INC
JP264 patents
Top patents by PatentIndex Score
US8054136B2Nov 8, 2011
Electronic circuit
SEDI INC12 citations84
US8350351B2Jan 8, 2013
Semiconductor light receiving device
SEDI INC8 citations83
US10943821B2Mar 9, 2021
Method of manufacturing semiconductor device
SEDI INC6 citations81
US9089084B2Jul 21, 2015
Method to produce optical transceiver
SEDI INC9 citations81
US8846520B2Sep 30, 2014
Semiconductor device and method for manufacturing semiconductor device
SEDI INC8 citations81
US11784716B2Oct 10, 2023
Communication system, optical transceiver, control method by communication system, and control method by optical transceiver
SEDI INC6 citations74
US10707834B2Jul 7, 2020
Variable attenuator
SEDI INC2 citations73
US10541322B2Jan 21, 2020
Semiconductor device
SEDI INC2 citations73
US10319634B2Jun 11, 2019
Semiconductor device having MIM capacitor
SEDI INC2 citations73
US9791646B2Oct 17, 2017
Optical module having latching mechanism of cover with bush
SEDI INC2 citations73
US9673094B2Jun 6, 2017
Semiconductor device having via hole coated in side surfaces with heat treated nitride metal and method to form the same
SEDI INC2 citations73
US9640429B2May 2, 2017
Method of fabricating semiconductor device
SEDI INC3 citations73
US9620409B2Apr 11, 2017
Semiconductor device and method of manufacturing the same
SEDI INC3 citations73
US10985525B2Apr 20, 2021
Transmitter module
SEDI INC2 citations72
US10750621B2Aug 18, 2020
Process of assembling semiconductor device
SEDI INC2 citations72
US10416400B2Sep 17, 2019
Semiconductor module
SEDI INC4 citations72
US10331007B2Jun 25, 2019
Functional optical device that integrates optical waveguide with light-receiving element on semiconductor substrate
SEDI INC4 citations72
US10177529B2Jan 8, 2019
Optical transmitter providing coplanar line on carrier
SEDI INC5 citations72
US9819147B2Nov 14, 2017
Method to tune emission wavelength of wavelength tunable laser apparatus and laser apparatus
SEDI INC3 citations72
US9673496B2Jun 6, 2017
Signal transmission line
SEDI INC3 citations72
US9502745B2Nov 22, 2016
Flexible substrate having a microstrip line connected to a connection portion with a specified conductor pattern
SEDI INC3 citations72
US10797653B2Oct 6, 2020
Consecutive Doherty amplifier
SEDI INC2 citations71
US10601375B2Mar 24, 2020
Modified three-stage doherty amplifier
SEDI INC2 citations71
US8354312B2Jan 15, 2013
Semiconductor device fabrication method
SEDI INC5 citations71
US9614349B2Apr 4, 2017
Method for switching output wavelength of tunable wavelength laser, method for switching wavelength of tunable wavelength laser, and tunable wavelength laser device
SEDI INC4 citations70
US10348399B2Jul 9, 2019
Optical transmitter device
SEDI INC4 citations69
US10281665B2May 7, 2019
Optical transceiver
SEDI INC2 citations69
US9640950B2May 2, 2017
Optical apparatus providing optical amplifier unit pluggably receiving external optical fiber
SEDI INC2 citations69
US11961948B2Apr 16, 2024
Optical semiconductor device
SEDI INC2 citations68
US11398800B2Jul 26, 2022
High frequency amplifier
SEDI INC2 citations68
US11152342B2Oct 19, 2021
Receiver optical module and process of assembling the same
SEDI INC2 citations66
US9577142B2Feb 21, 2017
Process for forming semiconductor laser diode implemented with sampled grating
SEDI INC5 citations66
US10727950B2Jul 28, 2020
Method of controlling optical transmitter operable for pulse-amplitude modulation signal
SEDI INC2 citations65
US10171172B2Jan 1, 2019
Optical transmitter operable for pulse-amplitude modulation signal
SEDI INC2 citations65
US11081452B2Aug 3, 2021
Field effect transistor and semiconductor device
SEDI INC2 citations64
US10903323B2Jan 26, 2021
Semiconductor device
SEDI INC3 citations64
US11495671B2Nov 8, 2022
Nitride semiconductor device
SEDI INC0 citations63
US11476110B2Oct 18, 2022
Semiconductor device
SEDI INC0 citations63
US11302817B2Apr 12, 2022
Semiconductor device and process of forming the same
SEDI INC0 citations63
US11011370B2May 18, 2021
Method for manufacturing semiconductor device
SEDI INC1 citations63
US10978569B2Apr 13, 2021
Process of forming nitride semiconductor device
SEDI INC0 citations63
US10896970B2Jan 19, 2021
Process of forming high electron mobility transistor (HEMT) and HEMT formed by the same
SEDI INC0 citations63
US10749314B2Aug 18, 2020
Method of evaluating initial parameters and target values for feedback control loop of wavelength tunable system
SEDI INC1 citations63
US10658251B2May 19, 2020
Process of forming semiconductor substrate by use of normalized reflectivity
SEDI INC1 citations63
US10298332B2May 21, 2019
Method of controlling semiconductor optical device that includes semiconductor optical amplifier
SEDI INC2 citations63
US10199467B2Feb 5, 2019
Semiconductor device having plated metal in electrode and process to form the same
SEDI INC1 citations63
US8926195B2Jan 6, 2015
Optical module having optical assembly precisely aligned with optical fiber
SEDI INC2 citations63
US8457166B2Jun 4, 2013
Method of controlling wavelength-tunable laser
SEDI INC2 citations63
US7974323B2Jul 5, 2011
Semiconductor laser
SEDI INC2 citations63
US12094840B2Sep 17, 2024
Semiconductor device capable of realizing a wide band impedance matching
SEDI INC0 citations62
Showing the top 50 of 264 patents by PatentIndex Score.