Akira HIRANO

Person

Yokosuka- shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Transmission apparatus, transmission system and delay adjustment me...
- Patent number 12,170,607
- Issue date Dec 17, 2024
- Nippon Telegraph and Telephone Corporation
- Kei Kitamura
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Transmission apparatus and transmission system
- Patent number 11,923,862
- Issue date Mar 5, 2024
- Nippon Telegraph and Telephone Corporation
- Fumikazu Inuzuka
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Transmission apparatus and transmission method
- Patent number 11,916,685
- Issue date Feb 27, 2024
- Nippon Telegraph and Telephone Corporation
- Kei Kitamura
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Service path failure location estimation method, apparatus, and pro...
- Patent number 11,902,137
- Issue date Feb 13, 2024
- Nippon Telegraph and Telephone Corporation
- Takuya Oda
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Diagnostic apparatus
- Patent number 11,876,670
- Issue date Jan 16, 2024
- Nippon Telegraph and Telephone Corporation
- Takuya Oda
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Adaptation apparatus
- Patent number 11,853,101
- Issue date Dec 26, 2023
- Nippon Telegraph and Telephone Corporation
- Takuya Oda
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Glass and laminated glass
- Patent number 11,731,900
- Issue date Aug 22, 2023
- AGC Inc.
- Shunsuke Sadakane
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Transmitting apparatus, receiving apparatus, and transmission system
- Patent number 11,581,988
- Issue date Feb 14, 2023
- Nippon Telegraph and Telephone Corporation
- Takafumi Tanaka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical transmission system and transmission mode selecting method
- Patent number 11,546,064
- Issue date Jan 3, 2023
- Nippon Telegraph and Telephone Corporation
- Tetsuro Inui
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Malfunction point estimation method and malfunction point estimatio...
- Patent number 11,516,073
- Issue date Nov 29, 2022
- Nippon Telegraph and Telephone Corporation
- Takuya Oda
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
State estimating device and communication system
- Patent number 11,342,990
- Issue date May 24, 2022
- Nippon Telegraph and Telephone Corporation
- Seiki Kuwabara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Nitride semiconductor ultraviolet light-emitting element
- Patent number 11,217,726
- Issue date Jan 4, 2022
- Soko Kagaku Co., Ltd.
- Akira Hirano
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Light-emitting device
- Patent number 11,165,002
- Issue date Nov 2, 2021
- SOKO KAGAU CO., LTD.
- Akira Hirano
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Optical transmission system and communication condition selection m...
- Patent number 11,165,497
- Issue date Nov 2, 2021
- Nippon Telegraph and Telephone Corporation
- Fumikazu Inuzuka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical transmitter
- Patent number 11,159,242
- Issue date Oct 26, 2021
- Nippon Telegraph and Telephone Corporation
- Hiroto Kawakami
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Nitride semiconductor light-emitting element
- Patent number 11,152,543
- Issue date Oct 19, 2021
- Soko Kagaku Co., Ltd.
- Akira Hirano
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Ultraviolet light-emitting device, method for manufacturing ultravi...
- Patent number 11,107,961
- Issue date Aug 31, 2021
- Soko Kagaku Co., Ltd.
- Akira Hirano
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Optical amplification system and optical amplification method
- Patent number 11,108,208
- Issue date Aug 31, 2021
- Nippon Telegraph and Telephone Corporation
- Takuya Oda
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Template, nitride semiconductor ultraviolet light-emitting element,...
- Patent number 11,049,999
- Issue date Jun 29, 2021
- Soko Kagaku Co., Ltd.
- Akira Hirano
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Bias control circuit and bias control method
- Patent number 10,823,989
- Issue date Nov 3, 2020
- Nippon Telegraph and Telephone Corporation
- Hiroto Kawakami
- G02 - OPTICS
Information Patent Grant
Optical receiver, optical transmission device, and method for optic...
- Patent number 10,742,354
- Issue date Aug 11, 2020
- Nippon Telegraph and Telephone Corporation
- Masanori Nakamura
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Transmission quality estimation system, transmission quality estima...
- Patent number 10,686,520
- Issue date Jun 16, 2020
- Nippon Telegraph and Telephone Corporation
- Takuya Oda
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Manufacturing method of nitride semiconductor ultraviolet light emi...
- Patent number 10,643,849
- Issue date May 5, 2020
- Soko Kagaku Co., Ltd.
- Akira Hirano
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Transmission quality estimation system, transmission quality estima...
- Patent number 10,637,568
- Issue date Apr 28, 2020
- Nippon Telegraph and Telephone Corporation
- Takuya Oda
- G02 - OPTICS
Information Patent Grant
Communication system and fault detection method
- Patent number 10,615,868
- Issue date Apr 7, 2020
- Nippon Telegraph and Telephone Corporation
- Takuya Oda
- G02 - OPTICS
Information Patent Grant
Highly reliable path accommodation design apparatus and method
- Patent number 10,587,472
- Issue date Mar 10, 2020
- Nippon Telegraph and Telephone Corporation
- Akihiro Kadohata
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Communication system and connector
- Patent number 10,527,781
- Issue date Jan 7, 2020
- Nippon Telegraph and Telephone Corporation
- Takuya Oda
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Communication system and fault location specifying method
- Patent number 10,511,381
- Issue date Dec 17, 2019
- Nippon Telegraph and Telephone Corporation
- Takuya Oda
- G02 - OPTICS
Information Patent Grant
Method for manufacturing nitride semiconductor ultraviolet light-em...
- Patent number 10,505,087
- Issue date Dec 10, 2019
- Soko Kagaku Co., Ltd.
- Akira Hirano
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Nitride semiconductor light-emitting element base and manufacturing...
- Patent number 10,412,829
- Issue date Sep 10, 2019
- Soko Kagaku Co., Ltd.
- Akira Hirano
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
OPTICAL TRANSMISSION SYSTEM AND TRANSMISSION MODE SELECTING METHOD
- Publication number 20240235690
- Publication date Jul 11, 2024
- Nippon Telegraph and Telephone Corporation
- Tetsuro Inui
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL TRANSMISSION SYSTEM AND TRANSMISSION MODE SELECTING METHOD
- Publication number 20240137128
- Publication date Apr 25, 2024
- Nippon Telegraph and Telephone Corporation
- Tetsuro Inui
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Nitride Semiconductor Ultraviolet Light Emitting Element
- Publication number 20230307578
- Publication date Sep 28, 2023
- Nikkiso Co., Ltd.
- Akira HIRANO
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Nitride Semiconductor Ultraviolet Light-Emitting Element and Manufa...
- Publication number 20230299232
- Publication date Sep 21, 2023
- Soko Kagaku Co., Ltd.
- Akira HIRANO
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Nitride Semiconductor Ultraviolet Light-Emitting Element
- Publication number 20230261139
- Publication date Aug 17, 2023
- Soko Kagaku Co., Ltd.
- Akira HIRANO
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
NITRIDE SEMICONDUCTOR ULTRAVIOLET LIGHT-EMITTING ELEMENT
- Publication number 20230207731
- Publication date Jun 29, 2023
- Nikkiso Co., Ltd.
- Akira HIRANO
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
NITRIDE SEMICONDUCTOR ULTRAVIOLET LIGHT-EMITTING ELEMENT AND PRODU...
- Publication number 20230197889
- Publication date Jun 22, 2023
- Nikkiso Co., Ltd.
- Akira HIRANO
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ADAPTATION APPARATUS
- Publication number 20220214889
- Publication date Jul 7, 2022
- Nippon Telegraph and Telephone Corporation
- Takuya ODA
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
TRANSMISSION APPARATUS AND TRANSMISSION SYSTEM
- Publication number 20220109449
- Publication date Apr 7, 2022
- Nippon Telegraph and Telephone Corporation
- Fumikazu INUZUKA
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
MALFUNCTION POINT ESTIMATION METHOD AND MALFUNCTION POINT ESTIMATIO...
- Publication number 20220045900
- Publication date Feb 10, 2022
- Nippon Telegraph and Telephone Corporation
- Takuya ODA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
TRANSMISSION APPARATUS AND TRANSMISSION METHOD
- Publication number 20220006577
- Publication date Jan 6, 2022
- Kei Kitamura
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
TRANSMISSION APPARATUS, TRANSMISSION SYSTEM AND DELAY ADJUSTMENT ME...
- Publication number 20220006722
- Publication date Jan 6, 2022
- Nippon Telegraph and Telephone Corporation
- Kei KITAMURA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
ESTIMATION METHOD, ESTIMATION APPARATUS, AND ESTIMATION PROGRAM
- Publication number 20210385146
- Publication date Dec 9, 2021
- Nippon Telegraph and Telephone Corporation
- Takuya ODA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
DIAGNOSTIC APPARATUS
- Publication number 20210328861
- Publication date Oct 21, 2021
- Nippon Telegraph and Telephone Corporation
- Takuya ODA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL TRANSMISSION SYSTEM AND TRANSMISSION MODE SELECTING METHOD
- Publication number 20210314067
- Publication date Oct 7, 2021
- Nippon Telegraph and Telephone Corporation
- Tetsuro Inui
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL TRANSMITTER
- Publication number 20210194594
- Publication date Jun 24, 2021
- Nippon Telegraph and Telephone Corporation
- Hiroto KAWAKAMI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
TRANSMITTING APPARATUS, RECEIVING APPARATUS, AND TRANSMISSION SYSTEM
- Publication number 20210160017
- Publication date May 27, 2021
- Nippon Telegraph and Telephone Corporation
- Takafumi TANAKA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
GLASS AND LAMINATED GLASS
- Publication number 20210155536
- Publication date May 27, 2021
- AGC Inc.
- Shunsuke SADAKANE
- B60 - VEHICLES IN GENERAL
Information Patent Application
NITRIDE SEMICONDUCTOR ULTRAVIOLET LIGHT-EMITTING ELEMENT
- Publication number 20210043804
- Publication date Feb 11, 2021
- Soko Kagaku Co., Ltd.
- Akira HIRANO
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
OPTICAL TRANSMISSION SYSTEM AND COMMUNICATION CONDITION SELECTION M...
- Publication number 20210028857
- Publication date Jan 28, 2021
- Nippon Telegraph and Telephone Corporation
- Fumikazu INUZUKA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
STATE ESTIMATING DEVICE AND COMMUNICATION SYSTEM
- Publication number 20210013963
- Publication date Jan 14, 2021
- Nippon Telegraph and Telephone Corporation
- Seiki KUWABARA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
TEMPLATE, NITRIDE SEMICONDUCTOR ULTRAVIOLET LIGHT-EMITTING ELEMENT,...
- Publication number 20200373463
- Publication date Nov 26, 2020
- Soko Kagaku Co., Ltd.
- Akira HIRANO
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
NITRIDE SEMICONDUCTOR LIGHT-EMITTING ELEMENT
- Publication number 20200357953
- Publication date Nov 12, 2020
- Soko Kagaku Co., Ltd.
- Akira HIRANO
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
NITRIDE SEMICONDUCTOR ULTRAVIOLET LIGHT EMITTING DEVICE AND METHOD...
- Publication number 20200321491
- Publication date Oct 8, 2020
- Soko Kagaku Co., Ltd.
- Akira HIRANO
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
UV LIGHT-EMITTING DEVICE, UV LIGHT-EMITTING DEVICE PRODUCTION METHO...
- Publication number 20200274040
- Publication date Aug 27, 2020
- Soko Kagaku Co., Ltd.
- Akira HIRANO
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
LIGHT-EMITTING DEVICE
- Publication number 20200168775
- Publication date May 28, 2020
- Soko Kagaku Co., Ltd.
- Akira HIRANO
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
BIAS CONTROL CIRCUIT AND BIAS CONTROL METHOD
- Publication number 20200133035
- Publication date Apr 30, 2020
- Nippon Telegraph and Telephone Corporation
- Hiroto KAWAKAMI
- G02 - OPTICS
Information Patent Application
OPTICAL RECEIVER, OPTICAL TRANSMISSION DEVICE, AND METHOD FOR OPTIC...
- Publication number 20190288793
- Publication date Sep 19, 2019
- Nippon Telegraph and Telephone Corporation
- Masanori NAKAMURA
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
MANUFACTURING METHOD OF NITRIDE SEMICONDUCTOR ULTRAVIOLET LIGHT EMI...
- Publication number 20190228972
- Publication date Jul 25, 2019
- Soko Kagaku Co., Ltd.
- Akira HIRANO
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ULTRAVIOLET LIGHT EMITTING DEVICE AND METHOD FOR MANUFACTURING SAME
- Publication number 20190148589
- Publication date May 16, 2019
- Soko Kagaku Co., Ltd.
- Kiho YAMADA
- H01 - BASIC ELECTRIC ELEMENTS

Akira HIRANO

Person

Patents Grantslast 30 patents

Transmission apparatus, transmission system and delay adjustment me...

Transmission apparatus and transmission system

Transmission apparatus and transmission method

Service path failure location estimation method, apparatus, and pro...

Diagnostic apparatus

Adaptation apparatus

Glass and laminated glass

Transmitting apparatus, receiving apparatus, and transmission system

Optical transmission system and transmission mode selecting method

Malfunction point estimation method and malfunction point estimatio...

State estimating device and communication system

Nitride semiconductor ultraviolet light-emitting element

Light-emitting device

Optical transmission system and communication condition selection m...

Optical transmitter

Nitride semiconductor light-emitting element

Ultraviolet light-emitting device, method for manufacturing ultravi...

Optical amplification system and optical amplification method

Template, nitride semiconductor ultraviolet light-emitting element,...

Bias control circuit and bias control method

Optical receiver, optical transmission device, and method for optic...

Transmission quality estimation system, transmission quality estima...

Manufacturing method of nitride semiconductor ultraviolet light emi...

Transmission quality estimation system, transmission quality estima...

Communication system and fault detection method

Highly reliable path accommodation design apparatus and method

Communication system and connector

Communication system and fault location specifying method

Method for manufacturing nitride semiconductor ultraviolet light-em...

Nitride semiconductor light-emitting element base and manufacturing...

Patents Applicationslast 30 patents

OPTICAL TRANSMISSION SYSTEM AND TRANSMISSION MODE SELECTING METHOD

OPTICAL TRANSMISSION SYSTEM AND TRANSMISSION MODE SELECTING METHOD

Nitride Semiconductor Ultraviolet Light Emitting Element

Nitride Semiconductor Ultraviolet Light-Emitting Element and Manufa...

Nitride Semiconductor Ultraviolet Light-Emitting Element

NITRIDE SEMICONDUCTOR ULTRAVIOLET LIGHT-EMITTING ELEMENT

NITRIDE SEMICONDUCTOR ULTRAVIOLET LIGHT-EMITTING ELEMENT AND PRODU...

ADAPTATION APPARATUS

TRANSMISSION APPARATUS AND TRANSMISSION SYSTEM

MALFUNCTION POINT ESTIMATION METHOD AND MALFUNCTION POINT ESTIMATIO...

TRANSMISSION APPARATUS AND TRANSMISSION METHOD

TRANSMISSION APPARATUS, TRANSMISSION SYSTEM AND DELAY ADJUSTMENT ME...

ESTIMATION METHOD, ESTIMATION APPARATUS, AND ESTIMATION PROGRAM

DIAGNOSTIC APPARATUS

OPTICAL TRANSMISSION SYSTEM AND TRANSMISSION MODE SELECTING METHOD

OPTICAL TRANSMITTER

TRANSMITTING APPARATUS, RECEIVING APPARATUS, AND TRANSMISSION SYSTEM

GLASS AND LAMINATED GLASS

NITRIDE SEMICONDUCTOR ULTRAVIOLET LIGHT-EMITTING ELEMENT

OPTICAL TRANSMISSION SYSTEM AND COMMUNICATION CONDITION SELECTION M...

STATE ESTIMATING DEVICE AND COMMUNICATION SYSTEM

TEMPLATE, NITRIDE SEMICONDUCTOR ULTRAVIOLET LIGHT-EMITTING ELEMENT,...

NITRIDE SEMICONDUCTOR LIGHT-EMITTING ELEMENT

NITRIDE SEMICONDUCTOR ULTRAVIOLET LIGHT EMITTING DEVICE AND METHOD...

UV LIGHT-EMITTING DEVICE, UV LIGHT-EMITTING DEVICE PRODUCTION METHO...

LIGHT-EMITTING DEVICE

BIAS CONTROL CIRCUIT AND BIAS CONTROL METHOD

OPTICAL RECEIVER, OPTICAL TRANSMISSION DEVICE, AND METHOD FOR OPTIC...

MANUFACTURING METHOD OF NITRIDE SEMICONDUCTOR ULTRAVIOLET LIGHT EMI...

ULTRAVIOLET LIGHT EMITTING DEVICE AND METHOD FOR MANUFACTURING SAME