TREA

Toshikazu Hashimoto

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  • Shinjuku-ku, JP
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Patents Grantslast 30 patents

  • 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

    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

    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

    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

    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

    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
  • Information Patent Grant

    Optical multiplexer and RGB coupler
    • Patent number 11,543,591
    • Issue date Jan 3, 2023
    • Nippon Telegraph and Telephone Corporation
    • Junji Sakamoto
    • G02 - OPTICS
  • Information Patent Grant

    Image-capture element and image capture device
    • Patent number 11,515,352
    • Issue date Nov 29, 2022
    • Nippon Telegraph and Telephone Corporation
    • Masashi Miyata
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Optical multiplexing circuit
    • Patent number 11,112,563
    • Issue date Sep 7, 2021
    • Nippon Telegraph and Telephone Corporation
    • Junji Sakamoto
    • G02 - OPTICS
  • Information Patent Grant

    Optical spectrum shaper and optical signal monitor using same
    • Patent number 11,054,575
    • Issue date Jul 6, 2021
    • Nippon Telegraph and Telephone Corporation
    • Mitsumasa Nakajima
    • G02 - OPTICS

Patents Applicationslast 30 patents

  • 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

    Optical Switch
    • Publication number 20230095427
    • Publication date Mar 30, 2023
    • Nippon Telegraph and Telephone Corporation
    • Yusuke Muranaka
    • G02 - OPTICS
  • 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 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
  • Information Patent Application

    Image Sensor and Image Apparatus
    • Publication number 20220360759
    • Publication date Nov 10, 2022
    • Nippon Telegraph and Telephone Corporation
    • Masashi Miyata
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Optical Information Processing Device
    • Publication number 20220292336
    • Publication date Sep 15, 2022
    • Nippon Telegraph and Telephone Corporation
    • Hirotaka Ono
    • G06 - COMPUTING CALCULATING COUNTING