Hiroshi Hamada

Person

Komoro, JP

People

Patents Grantslast 30 patents

Information Patent Grant
High-frequency antenna measurement system
- Patent number 12,265,110
- Issue date Apr 1, 2025
- Nippon Telegraph and Telephone Corporation
- Go Itami
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Circuit integrated antenna
- Patent number 12,206,188
- Issue date Jan 21, 2025
- Nippon Telegraph and Telephone Corporation
- Go Itami
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Circuit integrated antenna
- Patent number 12,095,182
- Issue date Sep 17, 2024
- Nippon Telegraph and Telephone Corporation
- Go Itami
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Dielectric constant measurement method, dielectric measurement devi...
- Patent number 12,025,642
- Issue date Jul 2, 2024
- Nippon Telegraph and Telephone Corporation
- Teruo Jo
- G01 - MEASURING TESTING
Information Patent Grant
Variable gain amplifier
- Patent number 11,942,913
- Issue date Mar 26, 2024
- Nippon Telegraph and Telephone Corporation
- Hiroshi Hamada
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor light-receiving element
- Patent number 11,916,161
- Issue date Feb 27, 2024
- Lumentum Japan, Inc.
- Takashi Toyonaka
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Edge extraction method and edge extraction device
- Patent number 11,879,718
- Issue date Jan 23, 2024
- Nippon Telegraph and Telephone Corporation
- Teruo Jo
- G01 - MEASURING TESTING
Information Patent Grant
High-frequency module
- Patent number 11,749,873
- Issue date Sep 5, 2023
- Nippon Telegraph and Telephone Corporation
- Hiroshi Hamada
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Multilayer piezoelectric element, piezoelectric vibration apparatus...
- Patent number 11,744,156
- Issue date Aug 29, 2023
- Taiyo Yuden Co., Ltd.
- Hiroshi Hamada
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Semiconductor light-receiving element and manufacturing method of s...
- Patent number 11,705,528
- Issue date Jul 18, 2023
- Lumentum Japan, Inc.
- Ryu Washino
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Vibration panel and electronic apparatus
- Patent number 11,571,712
- Issue date Feb 7, 2023
- Taiyo Yuden Co., Ltd.
- Shigeo Ishii
- B06 - GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
Information Patent Grant
Vibration generating device and electronic equipment
- Patent number 11,557,712
- Issue date Jan 17, 2023
- Taiyo Yuden Co., Ltd.
- Hiroshi Hamada
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
High-frequency module
- Patent number 11,490,549
- Issue date Nov 1, 2022
- Nippon Telegraph and Telephone Corporation
- Hiroshi Hamada
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Vibration generating device
- Patent number 11,478,821
- Issue date Oct 25, 2022
- Taiyo Yuden Co., Ltd.
- Hiroshi Hamada
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Semiconductor light-receiving element
- Patent number 11,476,382
- Issue date Oct 18, 2022
- Lumentum Japan, Inc.
- Takashi Toyonaka
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Signal generator and signal generation method
- Patent number 11,451,253
- Issue date Sep 20, 2022
- Nippon Telegraph and Telephone Corporation
- Teruo Jo
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Multilayer piezoelectric element, piezoelectric vibration apparatus...
- Patent number 11,430,940
- Issue date Aug 30, 2022
- Taiyo Yuden Co., Ltd.
- Sumiaki Kishimoto
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Analog/digital converter
- Patent number 11,394,390
- Issue date Jul 19, 2022
- Nippon Telegraph and Telephone Corporation
- Teruo Jo
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
High-frequency connection including an inductance adjustment block...
- Patent number 11,335,986
- Issue date May 17, 2022
- Nippon Telegraph and Telephone Corporation
- Hiroshi Hamada
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Mixer
- Patent number 11,303,265
- Issue date Apr 12, 2022
- Nippon Telegraph and Telephone Corporation
- Teruo Jo
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Distribution mixer
- Patent number 11,239,798
- Issue date Feb 1, 2022
- Nippon Telegraph and Telephone Corporation
- Hiroshi Hamada
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Panel and electronic apparatus
- Patent number 11,209,905
- Issue date Dec 28, 2021
- Taiyo Yuden Co., Ltd.
- Hiroshi Hamada
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Photoelectric conversion element, optical subassembly, and method f...
- Patent number 11,194,105
- Issue date Dec 7, 2021
- Lumentum Japan, Inc.
- Hiroshi Hamada
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Source injection mixer
- Patent number 11,171,607
- Issue date Nov 9, 2021
- Nippon Telegraph and Telephone Corporation
- Hiroshi Hamada
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Semiconductor light-receiving element and manufacturing method of s...
- Patent number 11,121,268
- Issue date Sep 14, 2021
- Lumentum Japan, Inc.
- Ryu Washino
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Mixer circuit
- Patent number 11,101,772
- Issue date Aug 24, 2021
- Nippon Telegraph and Telephone Corporation
- Hiroshi Hamada
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Semiconductor photodiode, optical receiver module, optical module,...
- Patent number 10,978,605
- Issue date Apr 13, 2021
- Lumentum Japan, Inc.
- Takashi Toyonaka
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electroacoustic transducer
- Patent number 10,897,674
- Issue date Jan 19, 2021
- Taiyo Yuden Co., Ltd.
- Shigeo Ishii
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Electroacoustic transducer
- Patent number 10,433,073
- Issue date Oct 1, 2019
- Taiyo Yuden Co., Ltd.
- Shigeo Ishii
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Electroacoustic transducer with dual vibration plate
- Patent number 10,412,502
- Issue date Sep 10, 2019
- Taiyo Yuden Co., Ltd.
- Shigeo Ishii
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
BEAMFORMER
- Publication number 20240347886
- Publication date Oct 17, 2024
- Nippon Telegraph and Telephone Corporation
- Adam Pander
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
MIXER CIRCUIT
- Publication number 20240291435
- Publication date Aug 29, 2024
- Nippon Telegraph and Telephone Corporation
- Hiroshi Hamada
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
DIFFERENTIAL AMPLIFIER CIRCUIT
- Publication number 20240080006
- Publication date Mar 7, 2024
- Nippon Telegraph and Telephone Corporation
- Hiroshi Hamada
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
SEMICONDUCTOR PHOTODETECTOR
- Publication number 20230411542
- Publication date Dec 21, 2023
- Lumentum Japan, Inc.
- Takashi TOYONAKA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
On-Chip Antenna and Phased Array Antenna
- Publication number 20230369780
- Publication date Nov 16, 2023
- Nippon Telegraph and Telephone Corporation
- Go Itami
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
HIGH-FREQUENCY ANTENNA MEASUREMENT SYSTEM
- Publication number 20230358796
- Publication date Nov 9, 2023
- Nippon Telegraph and Telephone Corporation
- Go Itami
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Thin Film Resistance Element and High-Frequency Circuit
- Publication number 20230274862
- Publication date Aug 31, 2023
- Nippon Telegraph and Telephone Corporation
- Hiroshi Hamada
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Amplifier Circuit
- Publication number 20230198472
- Publication date Jun 22, 2023
- Nippon Telegraph and Telephone Corporation
- Hiroshi Hamada
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Circuit Integrated Antenna
- Publication number 20230130741
- Publication date Apr 27, 2023
- Nippon Telegraph and Telephone Corporation
- Go Itami
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SEMICONDUCTOR LIGHT-RECEIVING ELEMENT
- Publication number 20230072390
- Publication date Mar 9, 2023
- Lumentum Japan, Inc.
- Takashi TOYONAKA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Dielectric Constant Measurement Method, Dielectric Measurement Devi...
- Publication number 20230038341
- Publication date Feb 9, 2023
- Nippon Telegraph and Telephone Corporation
- Teruo Jo
- G01 - MEASURING TESTING
Information Patent Application
Circuit Integrated Antenna
- Publication number 20220393357
- Publication date Dec 8, 2022
- Nippon Telegraph and Telephone Corporation
- Go Itami
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SEMICONDUCTOR LIGHT-RECEIVING ELEMENT
- Publication number 20220238745
- Publication date Jul 28, 2022
- Lumentum Japan, Inc.
- Takashi TOYONAKA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Edge Extraction Method and Edge Extraction Device
- Publication number 20220214160
- Publication date Jul 7, 2022
- Nippon Telegraph and Telephone Corporation
- Teruo Jo
- G01 - MEASURING TESTING
Information Patent Application
High-Frequency Module
- Publication number 20220029259
- Publication date Jan 27, 2022
- Hiroshi Hamada
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SEMICONDUCTOR LIGHT-RECEIVING ELEMENT AND MANUFACTURING METHOD OF S...
- Publication number 20210408303
- Publication date Dec 30, 2021
- Lumentum Japan, Inc.
- Ryu WASHINO
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Analog/Digital Converter
- Publication number 20210320667
- Publication date Oct 14, 2021
- Nippon Telegraph and Telephone Corporation
- Teruo Jo
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Signal Generator and Signal Generation Method
- Publication number 20210194523
- Publication date Jun 24, 2021
- Nippon Telegraph and Telephone Corporation
- Teruo Jo
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Mixer
- Publication number 20210175874
- Publication date Jun 10, 2021
- Nippon Telegraph and Telephone Corporation
- Teruo Jo
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Source Injection Mixer
- Publication number 20210111674
- Publication date Apr 15, 2021
- Nippon Telegraph and Telephone Corporation
- Hiroshi Hamada
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
VIBRATION PANEL AND ELECTRONIC APPARATUS
- Publication number 20210060611
- Publication date Mar 4, 2021
- Taiyo Yuden Co., Ltd.
- Shigeo ISHII
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
PANEL AND ELECTRONIC APPARATUS
- Publication number 20210048888
- Publication date Feb 18, 2021
- Taiyo Yuden Co., Ltd.
- Hiroshi HAMADA
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Variable Gain Amplifier
- Publication number 20210021248
- Publication date Jan 21, 2021
- Nippon Telegraph and Telephone Corporation
- Hiroshi Hamada
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
High-Frequency Connection Structure
- Publication number 20210013576
- Publication date Jan 14, 2021
- Nippon Telegraph and Telephone Corporation
- Hiroshi Hamada
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Mixer Circuit
- Publication number 20200412300
- Publication date Dec 31, 2020
- Nippon Telegraph and Telephone Corporation
- Hiroshi Hamada
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
High-Frequency Module
- Publication number 20200404816
- Publication date Dec 24, 2020
- Nippon Telegraph and Telephone Corporation
- Hiroshi Hamada
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Distribution Mixer
- Publication number 20200395893
- Publication date Dec 17, 2020
- Nippon Telegraph and Telephone Corporation
- Hiroshi Hamada
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
SEMICONDUCTOR LIGHT-RECEIVING ELEMENT AND MANUFACTURING METHOD OF S...
- Publication number 20200357937
- Publication date Nov 12, 2020
- Lumentum Japan, Inc.
- Ryu WASHINO
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
PHOTOELECTRIC CONVERSION ELEMENT, OPTICAL SUBASSEMBLY, AND METHOD F...
- Publication number 20200278507
- Publication date Sep 3, 2020
- Lumentum Japan, Inc.
- Hiroshi HAMADA
- G02 - OPTICS
Information Patent Application
SEMICONDUCTOR PHOTODIODE, OPTICAL RECEIVER MODULE, OPTICAL MODULE,...
- Publication number 20190280147
- Publication date Sep 12, 2019
- OCLARO JAPAN, INC.
- Takashi TOYONAKA
- H01 - BASIC ELECTRIC ELEMENTS

Hiroshi Hamada

Person

Patents Grantslast 30 patents

High-frequency antenna measurement system

Circuit integrated antenna

Circuit integrated antenna

Dielectric constant measurement method, dielectric measurement devi...

Variable gain amplifier

Semiconductor light-receiving element

Edge extraction method and edge extraction device

High-frequency module

Multilayer piezoelectric element, piezoelectric vibration apparatus...

Semiconductor light-receiving element and manufacturing method of s...

Vibration panel and electronic apparatus

Vibration generating device and electronic equipment

High-frequency module

Vibration generating device

Semiconductor light-receiving element

Signal generator and signal generation method

Multilayer piezoelectric element, piezoelectric vibration apparatus...

Analog/digital converter

High-frequency connection including an inductance adjustment block...

Mixer

Distribution mixer

Panel and electronic apparatus

Photoelectric conversion element, optical subassembly, and method f...

Source injection mixer

Semiconductor light-receiving element and manufacturing method of s...

Mixer circuit

Semiconductor photodiode, optical receiver module, optical module,...

Electroacoustic transducer

Electroacoustic transducer

Electroacoustic transducer with dual vibration plate

Patents Applicationslast 30 patents

BEAMFORMER

MIXER CIRCUIT

DIFFERENTIAL AMPLIFIER CIRCUIT

SEMICONDUCTOR PHOTODETECTOR

On-Chip Antenna and Phased Array Antenna

HIGH-FREQUENCY ANTENNA MEASUREMENT SYSTEM

Thin Film Resistance Element and High-Frequency Circuit

Amplifier Circuit

Circuit Integrated Antenna

SEMICONDUCTOR LIGHT-RECEIVING ELEMENT

Dielectric Constant Measurement Method, Dielectric Measurement Devi...

Circuit Integrated Antenna

SEMICONDUCTOR LIGHT-RECEIVING ELEMENT

Edge Extraction Method and Edge Extraction Device

High-Frequency Module

SEMICONDUCTOR LIGHT-RECEIVING ELEMENT AND MANUFACTURING METHOD OF S...

Analog/Digital Converter

Signal Generator and Signal Generation Method

Mixer

Source Injection Mixer

VIBRATION PANEL AND ELECTRONIC APPARATUS

PANEL AND ELECTRONIC APPARATUS

Variable Gain Amplifier

High-Frequency Connection Structure

Mixer Circuit

High-Frequency Module

Distribution Mixer

SEMICONDUCTOR LIGHT-RECEIVING ELEMENT AND MANUFACTURING METHOD OF S...

PHOTOELECTRIC CONVERSION ELEMENT, OPTICAL SUBASSEMBLY, AND METHOD F...

SEMICONDUCTOR PHOTODIODE, OPTICAL RECEIVER MODULE, OPTICAL MODULE,...