Toshikazu Hashimoto

Person

Shinjuku-ku, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Optical element having both color filter function and lens function...
- Patent number 12,364,042
- Issue date Jul 15, 2025
- Nippon Telegraph and Telephone Corporation
- Masashi Miyata
- G02 - OPTICS
Information Patent Grant
Image-capture element and image capture device
- Patent number 12,294,013
- Issue date May 6, 2025
- Nippon Telegraph and Telephone Corporation
- Masashi Miyata
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Image capturing element and image capturing apparatus having spectr...
- Patent number 12,211,872
- Issue date Jan 28, 2025
- Nippon Telegraph and Telephone Corporation
- Masashi Miyata
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Optical multiplexing circuit and light source
- Patent number 12,197,006
- Issue date Jan 14, 2025
- Nippon Telegraph and Telephone Corporation
- Junji Sakamoto
- G02 - OPTICS
Information Patent Grant
Optical switching apparatus
- Patent number 12,181,737
- Issue date Dec 31, 2024
- Nippon Telegraph and Telephone Corporation
- Yusuke Muranaka
- G02 - OPTICS
Information Patent Grant
Image sensor and imaging device
- Patent number 12,155,915
- Issue date Nov 26, 2024
- NIPPON TELEGRAPH AND TELEPHONE CORPORATION TOKYO
- Masashi Miyata
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Tunable laser
- Patent number 12,119,607
- Issue date Oct 15, 2024
- Nippon Telegraph and Telephone Corporation
- Yusuke Muranaka
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Tunable laser
- Patent number 12,119,608
- Issue date Oct 15, 2024
- Nippon Telegraph and Telephone Corporation
- Yusuke Muranaka
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
1 x N optical switch
- Patent number 12,117,712
- Issue date Oct 15, 2024
- Nippon Telegraph and Telephone Corporation
- Yusuke Muranaka
- G02 - OPTICS
Information Patent Grant
Optical switch
- Patent number 12,111,559
- Issue date Oct 8, 2024
- Nippon Telegraph and Telephone Corporation
- Yusuke Muranaka
- G02 - OPTICS
Information Patent Grant
Spectral element array, image sensor and image apparatus
- Patent number 12,087,783
- Issue date Sep 10, 2024
- Nippon Telegraph and Telephone Corporation
- Masashi Miyata
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Optical multiplexing circuit
- Patent number 12,072,528
- Issue date Aug 27, 2024
- Nippon Telegraph and Telephone Corporation
- Junji Sakamoto
- G02 - OPTICS
Information Patent Grant
Optical network with optical core and node using time-slotted recep...
- Patent number 12,040,835
- Issue date Jul 16, 2024
- Nippon Telegraph and Telephone Corporation
- Ibrahim Salah
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical signal processing device
- Patent number 11,982,884
- Issue date May 14, 2024
- Nippon Telegraph and Telephone Corporation
- Mitsumasa Nakajima
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Image-capture element and image capture device
- Patent number 11,967,603
- Issue date Apr 23, 2024
- Nippon Telegraph and Telephone Corporation
- Masashi Miyata
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Optical switch element
- Patent number 11,921,397
- Issue date Mar 5, 2024
- Nippon Telegraph and Telephone Corporation
- Yusuke Muranaka
- G02 - OPTICS
Information Patent Grant
Optical circuit
- Patent number 11,921,320
- Issue date Mar 5, 2024
- Nippon Telegraph and Telephone Corporation
- Junji Sakamoto
- G02 - OPTICS
Information Patent Grant
Optical multiplexing circuit and light source
- Patent number 11,886,002
- Issue date Jan 30, 2024
- Nippon Telegraph and Telephone Corporation
- Junji Sakamoto
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Planer lightwave circuit
- Patent number 11,886,004
- Issue date Jan 30, 2024
- Nippon Telegraph and Telephone Corporation
- Junji Sakamoto
- G02 - OPTICS
Information Patent Grant
Optical multiplexing circuit and light source
- Patent number 11,886,005
- Issue date Jan 30, 2024
- Nippon Telegraph and Telephone Corporation
- Junji Sakamoto
- G02 - OPTICS
Information Patent Grant
Mode multiplexing/demultiplexing optical circuit
- Patent number 11,852,863
- Issue date Dec 26, 2023
- Nippon Telegraph and Telephone Corporation
- Junji Sakamoto
- G02 - OPTICS
Information Patent Grant
Wavelength conversion apparatus
- Patent number 11,855,701
- Issue date Dec 26, 2023
- Nippon Telegraph and Telephone Corporation
- Mitsumasa Nakajima
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical multiplexing circuit and light source
- Patent number 11,822,124
- Issue date Nov 21, 2023
- Nippon Telegraph and Telephone Corporation
- Junji Sakamoto
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Optical signal processing device
- Patent number 11,822,206
- Issue date Nov 21, 2023
- Nippon Telegraph and Telephone Corporation
- Mitsumasa Nakajima
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Node apparatus
- Patent number 11,824,584
- Issue date Nov 21, 2023
- Nippon Telegraph and Telephone Corporation
- Yusuke Muranaka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical signal processor
- Patent number 11,777,632
- Issue date Oct 3, 2023
- Nippon Telegraph and Telephone Corporation
- Shiori Konisho
- G02 - OPTICS
Information Patent Grant
Optical multiplexing circuit and optical source
- Patent number 11,768,342
- Issue date Sep 26, 2023
- Nippon Telegraph and Telephone Corporation
- Junji Sakamoto
- G02 - OPTICS
Information Patent Grant
Optical multiplexing circuit and light source
- Patent number 11,740,405
- Issue date Aug 29, 2023
- Nippon Telegraph and Telephone Corporation
- Junji Sakamoto
- G02 - OPTICS
Information Patent Grant
Polarization imaging system
- Patent number 11,733,100
- Issue date Aug 22, 2023
- Nippon Telegraph and Telephone Corporation
- Masashi Miyata
- G01 - MEASURING TESTING
Information Patent Grant
Optical network, optical transport system, and optical node include...
- Patent number 11,736,193
- Issue date Aug 22, 2023
- Nippon Telegraph and Telephone Corporation
- Ibrahim Salah
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
IMAGE CAPTURING ELEMENT AND IMAGE CAPTURING APPARATUS HAVING SPECTR...
- Publication number 20250120207
- Publication date Apr 10, 2025
- Nippon Telegraph and Telephone Corporation
- Masashi Miyata
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Spectral Element Array, Image Sensor and Image Apparatus
- Publication number 20250040267
- Publication date Jan 30, 2025
- Nippon Telegraph and Telephone Corporation
- Masashi Miyata
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Optical Multiplex/Demultiplex Circuit and RGB Coupler
- Publication number 20240353616
- Publication date Oct 24, 2024
- Nippon Telegraph and Telephone Corporation
- Junji Sakamoto
- G02 - OPTICS
Information Patent Application
OPTICAL ELEMENT, IMAGE SENSOR AND IMAGING DEVICE
- Publication number 20240347566
- Publication date Oct 17, 2024
- Nippon Telegraph and Telephone Corporation
- Masashi MIYATA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Coherent Optical Receiver
- Publication number 20240250755
- Publication date Jul 25, 2024
- Nippon Telegraph and Telephone Corporation
- Mitsumasa Nakajima
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical Modulator and Digital Signal Processing Method
- Publication number 20240219754
- Publication date Jul 4, 2024
- Nippon Telegraph and Telephone Corporation
- Hiroshi Yamazaki
- G02 - OPTICS
Information Patent Application
IMAGE-CAPTURE ELEMENT AND IMAGE CAPTURE DEVICE
- Publication number 20240222414
- Publication date Jul 4, 2024
- Nippon Telegraph and Telephone Corporation
- Masashi Miyata
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
IMAGING DEVICE AND OPTICAL ELEMENT
- Publication number 20240147032
- Publication date May 2, 2024
- Nippon Telegraph and Telephone Corporation
- Masashi MIYATA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
IMAGING DEVICE AND OPTICAL ELEMENT
- Publication number 20240121488
- Publication date Apr 11, 2024
- Nippon Telegraph and Telephone Corporation
- Masashi MIYATA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical Network and Node Using Timeslotted Reception
- Publication number 20240089641
- Publication date Mar 14, 2024
- Nippon Telegraph and Telephone Corporation
- Ibrahim Salah
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL ELEMENT, IMAGE SENSOR AND IMAGING DEVICE
- Publication number 20240014237
- Publication date Jan 11, 2024
- Nippon Telegraph and Telephone Corporation
- Masashi MIYATA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
OPTICAL ELEMENT, IMAGE SENSOR AND IMAGING DEVICE
- Publication number 20240006440
- Publication date Jan 4, 2024
- Nippon Telegraph and Telephone Corporation
- Masashi MIYATA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
OPTICAL ELEMENT, IMAGE SENSOR AND IMAGING DEVICE
- Publication number 20240006441
- Publication date Jan 4, 2024
- Nippon Telegraph and Telephone Corporation
- Masashi MIYATA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
IMAGE SENSOR AND IMAGING DEVICE
- Publication number 20230411420
- Publication date Dec 21, 2023
- Nippon Telegraph and Telephone Corporation
- Masashi MIYATA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
OPTICAL ELEMENT, IMAGE SENSOR AND IMAGING DEVICE
- Publication number 20230387165
- Publication date Nov 30, 2023
- Nippon Telegraph and Telephone Corporation
- Masashi MIYATA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
IMAGE SENSOR AND IMAGING DEVICE
- Publication number 20230378210
- Publication date Nov 23, 2023
- Nippon Telegraph and Telephone Corporation
- Masashi MIYATA
- G02 - OPTICS
Information Patent Application
OPTICAL ELEMENT, IMAGE SENSOR AND IMAGING DEVICE
- Publication number 20230378211
- Publication date Nov 23, 2023
- Nippon Telegraph and Telephone Corporation
- Masashi MIYATA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
IMAGE SENSOR AND IMAGING DEVICE
- Publication number 20230239552
- Publication date Jul 27, 2023
- Nippon Telegraph and Telephone Corporation
- Masashi MIYATA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
1 x N Optical Switch
- Publication number 20230194952
- Publication date Jun 22, 2023
- Nippon Telegraph and Telephone Corporation
- Yusuke Muranaka
- G02 - OPTICS
Information Patent Application
Mobile Terminal and Distributed Deep Learning System
- Publication number 20230162017
- Publication date May 25, 2023
- Nippon Telegraph and Telephone Corporation
- Kenji Tanaka
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Optical Multiplexing Circuit and Optical Source
- Publication number 20230152541
- Publication date May 18, 2023
- Nippon Telegraph and Telephone Corporation
- Junji Sakamoto
- G02 - OPTICS
Information Patent Application
Optical Signal Processing Device
- Publication number 20230135236
- Publication date May 4, 2023
- Nippon Telegraph and Telephone Corporation
- Mitsumasa Nakajima
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
IMAGE-CAPTURE ELEMENT AND IMAGE CAPTURE DEVICE
- Publication number 20230119792
- Publication date Apr 20, 2023
- Nippon Telegraph and Telephone Corporation
- Masashi Miyata
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Optical Network with Optical Core and Node Using Time-Slotted Recep...
- Publication number 20230104943
- Publication date Apr 6, 2023
- Nippon Telegraph and Telephone Corporation
- Ibrahim Salah
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Spectral Element Array, Image Sensor and Image Apparatus
- Publication number 20230096263
- Publication date Mar 30, 2023
- Nippon Telegraph and Telephone Corporation
- Masashi Miyata
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Optical Switch
- Publication number 20230095427
- Publication date Mar 30, 2023
- Nippon Telegraph and Telephone Corporation
- Yusuke Muranaka
- G02 - OPTICS
Information Patent Application
Optical Switching Apparatus
- Publication number 20230097851
- Publication date Mar 30, 2023
- Nippon Telegraph and Telephone Corporation
- Yusuke Muranaka
- G02 - OPTICS
Information Patent Application
Optical Multiplexing Circuit
- Publication number 20220373737
- Publication date Nov 24, 2022
- Nippon Telegraph and Telephone Corporation
- Junji Sakamoto
- G02 - OPTICS
Information Patent Application
Node Apparatus
- Publication number 20220376790
- Publication date Nov 24, 2022
- Nippon Telegraph and Telephone Corporation
- Yusuke Muranaka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Wavelength Conversion Apparatus
- Publication number 20220360340
- Publication date Nov 10, 2022
- Nippon Telegraph and Telephone Corporation
- Mitsumasa Nakajima
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Toshikazu Hashimoto

Person

Patents Grantslast 30 patents

Optical element having both color filter function and lens function...

Image-capture element and image capture device

Image capturing element and image capturing apparatus having spectr...

Optical multiplexing circuit and light source

Optical switching apparatus

Image sensor and imaging device

Tunable laser

Tunable laser

1 x N optical switch

Optical switch

Spectral element array, image sensor and image apparatus

Optical multiplexing circuit

Optical network with optical core and node using time-slotted recep...

Optical signal processing device

Image-capture element and image capture device

Optical switch element

Optical circuit

Optical multiplexing circuit and light source

Planer lightwave circuit

Optical multiplexing circuit and light source

Mode multiplexing/demultiplexing optical circuit

Wavelength conversion apparatus

Optical multiplexing circuit and light source

Optical signal processing device

Node apparatus

Optical signal processor

Optical multiplexing circuit and optical source

Optical multiplexing circuit and light source

Polarization imaging system

Optical network, optical transport system, and optical node include...

Patents Applicationslast 30 patents

IMAGE CAPTURING ELEMENT AND IMAGE CAPTURING APPARATUS HAVING SPECTR...

Spectral Element Array, Image Sensor and Image Apparatus

Optical Multiplex/Demultiplex Circuit and RGB Coupler

OPTICAL ELEMENT, IMAGE SENSOR AND IMAGING DEVICE

Coherent Optical Receiver

Optical Modulator and Digital Signal Processing Method

IMAGE-CAPTURE ELEMENT AND IMAGE CAPTURE DEVICE

IMAGING DEVICE AND OPTICAL ELEMENT

IMAGING DEVICE AND OPTICAL ELEMENT

Optical Network and Node Using Timeslotted Reception

OPTICAL ELEMENT, IMAGE SENSOR AND IMAGING DEVICE

OPTICAL ELEMENT, IMAGE SENSOR AND IMAGING DEVICE

OPTICAL ELEMENT, IMAGE SENSOR AND IMAGING DEVICE

IMAGE SENSOR AND IMAGING DEVICE

OPTICAL ELEMENT, IMAGE SENSOR AND IMAGING DEVICE

IMAGE SENSOR AND IMAGING DEVICE

OPTICAL ELEMENT, IMAGE SENSOR AND IMAGING DEVICE

IMAGE SENSOR AND IMAGING DEVICE

1 x N Optical Switch

Mobile Terminal and Distributed Deep Learning System

Optical Multiplexing Circuit and Optical Source

Optical Signal Processing Device

IMAGE-CAPTURE ELEMENT AND IMAGE CAPTURE DEVICE

Optical Network with Optical Core and Node Using Time-Slotted Recep...

Spectral Element Array, Image Sensor and Image Apparatus

Optical Switch

Optical Switching Apparatus

Optical Multiplexing Circuit

Node Apparatus

Wavelength Conversion Apparatus