Naoki ITABASHI

Person

Yokohama-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Optical module and manufacturing method of the same
- Patent number 11,799,267
- Issue date Oct 24, 2023
- Sumitomo Electric Industries, Ltd.
- Kosuke Okawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Optical receiver and transimpedance amplifier circuit
- Patent number 11,595,010
- Issue date Feb 28, 2023
- Sumitomo Electric Industries, Ltd.
- Naoki Itabashi
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Differential amplifier circuit having variable gain
- Patent number 11,437,962
- Issue date Sep 6, 2022
- Sumitomo Electric Industries, Ltd.
- Naoki Itabashi
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Transimpedance amplifier circuit
- Patent number 11,362,629
- Issue date Jun 14, 2022
- Sumitomo Electric Industries, Ltd.
- Naoki Itabashi
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Amplifier and optical transmitter using the same
- Patent number 10,644,653
- Issue date May 5, 2020
- Sumitomo Electric Industries, Ltd.
- Naoki Itabashi
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Variable gain circuit and transimpedance amplifier using the same
- Patent number 10,608,599
- Issue date Mar 31, 2020
- Sumitomo Electric Industries, Ltd.
- Yoshiyuki Sugimoto
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Laser driver circuit and optical transmitter using the same
- Patent number 10,574,027
- Issue date Feb 25, 2020
- Sumitomo Electric Industries, Ltd.
- Naoki Itabashi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Integrated circuit device
- Patent number 10,396,719
- Issue date Aug 27, 2019
- Sumitomo Electric Industries, Ltd.
- Naoki Itabashi
- G01 - MEASURING TESTING
Information Patent Grant
Variable gain amplifier
- Patent number 10,263,583
- Issue date Apr 16, 2019
- Sumitomo Electric Industries, Ltd.
- Naoki Itabashi
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Amplifier
- Patent number 9,825,602
- Issue date Nov 21, 2017
- Sumitomo Electric Industries, Ltd.
- Naoki Itabashi
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Traveling-wave amplifier
- Patent number 9,698,023
- Issue date Jul 4, 2017
- Sumitomo Electric Industries, Ltd.
- Naoki Itabashi
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Differential amplifier
- Patent number 9,608,581
- Issue date Mar 28, 2017
- Sumitomo Electric Industries, Ltd.
- Naoki Itabashi
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Amplifier circuit
- Patent number 9,419,574
- Issue date Aug 16, 2016
- Sumitomo Electric Industries, Ltd.
- Naoki Itabashi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Differential amplifier
- Patent number 9,246,440
- Issue date Jan 26, 2016
- Sumitomo Electric Industries, Ltd.
- Naoki Itabashi
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Optical modulator module and semiconductor optical modulator
- Patent number 9,046,703
- Issue date Jun 2, 2015
- Sumitomo Electric Industries, Ltd.
- Chie Fukuda
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Differential circuit compensated with self-heating effect of active...
- Patent number 9,030,257
- Issue date May 12, 2015
- Sumitomo Electric Industries, Ltd.
- Naoki Itabashi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Driver circuit powered by two power supplies sequentially activated
- Patent number 8,957,709
- Issue date Feb 17, 2015
- Sumitomo Electric Industries, Ltd.
- Naoki Itabashi
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
OPTICAL TRANSMISSION MODULE
- Publication number 20230077958
- Publication date Mar 16, 2023
- Sumitomo Electric Industries, Ltd.
- Kosuke OKAWA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
OPTICAL MODULE AND MANUFACTURING METHOD OF THE SAME
- Publication number 20230036701
- Publication date Feb 2, 2023
- Sumitomo Electric Industries, Ltd.
- Kosuke OKAWA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
OPTICAL SEMICONDUCTOR MODULE
- Publication number 20220149590
- Publication date May 12, 2022
- Sumitomo Electric Industries, Ltd.
- Naoki ITABASHI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
OPTICAL SEMICONDUCTOR MODULE
- Publication number 20220149592
- Publication date May 12, 2022
- Sumitomo Electric Industries, Ltd.
- Naoki ITABASHI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
LIGHT SEMICONDUCTOR DEVICE
- Publication number 20220085568
- Publication date Mar 17, 2022
- Sumitomo Electric Industries, Ltd.
- Naoki ITABASHI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
TRANSIMPEDANCE AMPLIFIER CIRCUIT
- Publication number 20210126603
- Publication date Apr 29, 2021
- SUMITOMO ELECTRIC INDUSTRIES, LTD., Osaka, JAPAN
- Naoki ITABASHI
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
OPTICAL RECEIVER AND TRANSIMPEDANCE AMPLIFIER CIRCUIT
- Publication number 20210126602
- Publication date Apr 29, 2021
- Sumitomo Electric Industries, Ltd.
- Naoki Itabashi
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
DIFFERENTIAL AMPLIFIER CIRCUIT HAVING VARIABLE GAIN
- Publication number 20210126604
- Publication date Apr 29, 2021
- Sumitomo Electric Industries, Ltd.
- Naoki Itabashi
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
LASER DRIVER CIRCUIT AND OPTICAL TRANSMITTER USING THE SAME
- Publication number 20190245324
- Publication date Aug 8, 2019
- Sumitomo Electric Industries, Ltd.
- Naoki Itabashi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
VARIABLE GAIN CIRCUIT AND TRANSIMPEDANCE AMPLIFIER USING THE SAME
- Publication number 20190052236
- Publication date Feb 14, 2019
- Sumitomo Electric Industries, Ltd.
- Yoshiyuki SUGIMOTO
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
INTEGRATED CIRCUIT DEVICE
- Publication number 20180342987
- Publication date Nov 29, 2018
- SUMITOMO ELECTRIC INDUSTRIES, LTD,
- Naoki Itabashi
- G01 - MEASURING TESTING
Information Patent Application
VARIABLE GAIN AMPLIFIER
- Publication number 20180198431
- Publication date Jul 12, 2018
- Sumitomo Electric Industries, Ltd.
- Naoki ITABASHI
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
AMPLIFIER AND OPTICAL TRANSMITTER USING THE SAME
- Publication number 20180131330
- Publication date May 10, 2018
- Sumitomo Electric Industries, Ltd.
- Naoki ITABASHI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
AMPLIFIER
- Publication number 20170117860
- Publication date Apr 27, 2017
- Sumitomo Electric Industries, Ltd.
- Naoki ITABASHI
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
DIFFERENTIAL AMPLIFIER
- Publication number 20160285427
- Publication date Sep 29, 2016
- Sumitomo Electric Industries, Ltd.
- Naoki ITABASHI
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
TRAVELING-WAVE AMPLIFIER
- Publication number 20160072462
- Publication date Mar 10, 2016
- Sumitomo Electric Industries, Ltd.
- Naoki ITABASHI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
AMPLIFIER CIRCUIT
- Publication number 20150097622
- Publication date Apr 9, 2015
- Sumitomo Electric Industries, Ltd.
- Naoki ITABASHI
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
DRIVER CIRCUIT POWERED BY TWO POWER SUPPLIES SEQUENTIALLY ACTIVATED
- Publication number 20140245051
- Publication date Aug 28, 2014
- Sumitomo Electric Industries, Ltd.
- Naoki ITABASHI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
OPTICAL MODULATOR MODULE AND SEMICONDUCTOR OPTICAL MODULATOR
- Publication number 20140241659
- Publication date Aug 28, 2014
- Sumitomo Electric Industries, Ltd.
- Chie FUKUDA
- G02 - OPTICS
Information Patent Application
Differential Amplifier
- Publication number 20140132348
- Publication date May 15, 2014
- Sumitomo Electric Industries, Ltd.
- Naoki ITABASHI
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
DIFFERENTIAL CIRCUIT COMPENSATED WITH SELF-HEATING EFFECT OF ACTIVE...
- Publication number 20130142522
- Publication date Jun 6, 2013
- Sumitomo Electric Industries, Ltd.
- Naoki ITABASHI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Naoki ITABASHI

Person

Patents Grantslast 30 patents

Optical module and manufacturing method of the same

Optical receiver and transimpedance amplifier circuit

Differential amplifier circuit having variable gain

Transimpedance amplifier circuit

Amplifier and optical transmitter using the same

Variable gain circuit and transimpedance amplifier using the same

Laser driver circuit and optical transmitter using the same

Integrated circuit device

Variable gain amplifier

Amplifier

Traveling-wave amplifier

Differential amplifier

Amplifier circuit

Differential amplifier

Optical modulator module and semiconductor optical modulator

Differential circuit compensated with self-heating effect of active...

Driver circuit powered by two power supplies sequentially activated

Patents Applicationslast 30 patents

OPTICAL TRANSMISSION MODULE

OPTICAL MODULE AND MANUFACTURING METHOD OF THE SAME

OPTICAL SEMICONDUCTOR MODULE

OPTICAL SEMICONDUCTOR MODULE

LIGHT SEMICONDUCTOR DEVICE

TRANSIMPEDANCE AMPLIFIER CIRCUIT

OPTICAL RECEIVER AND TRANSIMPEDANCE AMPLIFIER CIRCUIT

DIFFERENTIAL AMPLIFIER CIRCUIT HAVING VARIABLE GAIN

LASER DRIVER CIRCUIT AND OPTICAL TRANSMITTER USING THE SAME

VARIABLE GAIN CIRCUIT AND TRANSIMPEDANCE AMPLIFIER USING THE SAME

INTEGRATED CIRCUIT DEVICE

VARIABLE GAIN AMPLIFIER

AMPLIFIER AND OPTICAL TRANSMITTER USING THE SAME

AMPLIFIER

DIFFERENTIAL AMPLIFIER

TRAVELING-WAVE AMPLIFIER

AMPLIFIER CIRCUIT

DRIVER CIRCUIT POWERED BY TWO POWER SUPPLIES SEQUENTIALLY ACTIVATED

OPTICAL MODULATOR MODULE AND SEMICONDUCTOR OPTICAL MODULATOR

Differential Amplifier

DIFFERENTIAL CIRCUIT COMPENSATED WITH SELF-HEATING EFFECT OF ACTIVE...