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Daisuke Umeda
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Osaka, JP
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Patents Grants
last 30 patents
Information
Patent Grant
PON system, optical network unit, optical line terminal, method of...
Patent number
11,070,295
Issue date
Jul 20, 2021
Sumitomo Electric Industries, Ltd.
Tomoyuki Funada
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Host board, optical receiver, optical transmitter, optical transcei...
Patent number
10,746,946
Issue date
Aug 18, 2020
Sumitomo Electric Industries, Ltd.
Tomoyuki Funada
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical transceiver and method for estimating temperature of same
Patent number
10,594,403
Issue date
Mar 17, 2020
Sumitomo Electric Industries, Ltd.
Daisuke Kawase
G01 - MEASURING TESTING
Information
Patent Grant
Data receiving apparatus
Patent number
10,103,814
Issue date
Oct 16, 2018
Sumitomo Electric Industries, Ltd.
Tomoyuki Funada
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Burst signal receiving apparatus and method, PON optical line termi...
Patent number
9,490,932
Issue date
Nov 8, 2016
Sumitomo Electric Industries, Ltd.
Daisuke Umeda
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Transimpedance amplifier, integrated circuit and system
Patent number
8,466,741
Issue date
Jun 18, 2013
Sumitomo Electric Industries, Ltd.
Daisuke Umeda
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Amplifier and optical module performing gain control
Patent number
8,248,165
Issue date
Aug 21, 2012
Sumitomo Electric Industries, Ltd.
Daisuke Umeda
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Trans-impedance amplifier
Patent number
7,944,290
Issue date
May 17, 2011
Sumitomo Electric Industries, Ltd.
Pak-Ho Yeung
H03 - BASIC ELECTRONIC CIRCUITRY
Patents Applications
last 30 patents
Information
Patent Application
RELAY SYSTEM, TRANSMISSION DEVICE, RECEPTION DEVICE, AND SWITCHING...
Publication number
20240154714
Publication date
May 9, 2024
Sumitomo Electric Industries, Ltd.
Daisuke UMEDA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
PON SYSTEM, OPTICAL NETWORK UNIT, OPTICAL LINE TERMINAL, METHOD OF...
Publication number
20200295845
Publication date
Sep 17, 2020
Sumitomo Electric Industries, Ltd.
Tomoyuki FUNADA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
PLUGGABLE OPTICAL MODULE AND HOST BOARD
Publication number
20200200986
Publication date
Jun 25, 2020
Sumitomo Electric Industries, Ltd.
Tomoyuki FUNADA
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Application
OPTICAL TRANSCEIVER AND METHOD FOR ESTIMATING TEMPERATURE OF SAME
Publication number
20190181954
Publication date
Jun 13, 2019
Sumitomo Electric Industries, Ltd.
Daisuke KAWASE
G01 - MEASURING TESTING
Information
Patent Application
HOST BOARD, OPTICAL RECEIVER, OPTICAL TRANSMITTER, OPTICAL TRANSCEI...
Publication number
20190170951
Publication date
Jun 6, 2019
Sumitomo Electric Industries, Ltd.
Tomoyuki FUNADA
G02 - OPTICS
Information
Patent Application
DATA RECEIVING APPARATUS
Publication number
20180041278
Publication date
Feb 8, 2018
Sumitomo Electric Industries, Ltd.
Tomoyuki FUNADA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
BURST SIGNAL RECEIVING APPARATUS AND METHOD, PON OPTICAL LINE TERMI...
Publication number
20150163010
Publication date
Jun 11, 2015
Sumitomo Electric Industries, Ltd.
Daisuke Umeda
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
AMPLIFIER AND OPTICAL MODULE PERFORMING GAIN CONTROL
Publication number
20110129224
Publication date
Jun 2, 2011
Sumitomo Electric Industries, Ltd.
Daisuke Umeda
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
Trans-impedance amplifier
Publication number
20100188154
Publication date
Jul 29, 2010
Sumitomo Electric Industries, Ltd.
Pak-Ho Yeung
H03 - BASIC ELECTRONIC CIRCUITRY