Fumihiko YAMAMOTO

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Optical fiber design method
- Patent number 10,871,648
- Issue date Dec 22, 2020
- Nippon Telegraph and Telephone Corporation
- Takashi Matsui
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Optical fiber design method
- Patent number 10,816,722
- Issue date Oct 27, 2020
- Nippon Telegraph and Telephone Corporation
- Takashi Matsui
- G02 - OPTICS
Information Patent Grant
Photonic crystal fiber and high-power light transmission system
- Patent number 10,545,333
- Issue date Jan 28, 2020
- Nippon Telegraph and Telephone Corporation
- Takashi Matsui
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Photonic crystal fiber and high-power light transmission system
- Patent number 10,539,784
- Issue date Jan 21, 2020
- Nippon Telegraph and Telephone Corporation
- Takashi Matsui
- G02 - OPTICS
Information Patent Grant
Optical fiber and optical transmission system
- Patent number 10,444,428
- Issue date Oct 15, 2019
- Nippon Telegraph and Telephone Corporation
- Takashi Matsui
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Photonic crystal fiber
- Patent number 10,310,177
- Issue date Jun 4, 2019
- Nippon Telegraph and Telephone Corporation
- Takashi Matsui
- G02 - OPTICS
Information Patent Grant
Cascaded core multicore fiber and manufacturing method for same
- Patent number 9,891,378
- Issue date Feb 13, 2018
- Furukawa Electric Co., Ltd.
- Katsunori Imamura
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Integrated optical waveguide circuit and optical branch line test s...
- Patent number 5,546,483
- Issue date Aug 13, 1996
- Nippon Telegraph & Telephone Corporation
- Yasuyuki Inoue
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
PHOTONIC CRYSTAL FIBER AND HIGH-POWER LIGHT TRANSMISSION SYSTEM
- Publication number 20190339513
- Publication date Nov 7, 2019
- Nippon Telegraph and Telephone Corporation
- Takashi MATSUI
- G02 - OPTICS
Information Patent Application
OPTICAL FIBER AND OPTICAL TRANSMISSION SYSTEM
- Publication number 20190004246
- Publication date Jan 3, 2019
- Nippon Telegraph and Telephone Corporation
- Takashi MATSUI
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
OPTICAL FIBER DESIGN METHOD
- Publication number 20180341104
- Publication date Nov 29, 2018
- Nippon Telegraph and Telephone Corporation
- Takashi MATSUI
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
PHOTONIC CRYSTAL FIBER AND HIGH-POWER LIGHT TRANSMISSION SYSTEM
- Publication number 20180321439
- Publication date Nov 8, 2018
- Nippon Telegraph and Telephone Corporation
- Takashi MATSUI
- G02 - OPTICS
Information Patent Application
PHOTONIC CRYSTAL FIBER
- Publication number 20180172902
- Publication date Jun 21, 2018
- Nippon Telegraph and Telephone Corporation
- Takashi MATSUI
- G02 - OPTICS
Information Patent Application
OPTICAL FIBER DESIGN METHOD
- Publication number 20180052278
- Publication date Feb 22, 2018
- Nippon Telegraph and Telephone Corporation
- Takashi Matsui
- G02 - OPTICS
Information Patent Application
MULTICORE FIBER AND MANUFACTURING METHOD OF MULTICORE FIBER
- Publication number 20170160466
- Publication date Jun 8, 2017
- FURUKAWA ELECTRIC CO., LTD.
- Katsunori IMAMURA
- G02 - OPTICS

Fumihiko YAMAMOTO

Person

Patents Grantslast 30 patents

Optical fiber design method

Optical fiber design method

Photonic crystal fiber and high-power light transmission system

Photonic crystal fiber and high-power light transmission system

Optical fiber and optical transmission system

Photonic crystal fiber

Cascaded core multicore fiber and manufacturing method for same

Integrated optical waveguide circuit and optical branch line test s...

Patents Applicationslast 30 patents

PHOTONIC CRYSTAL FIBER AND HIGH-POWER LIGHT TRANSMISSION SYSTEM

OPTICAL FIBER AND OPTICAL TRANSMISSION SYSTEM

OPTICAL FIBER DESIGN METHOD

PHOTONIC CRYSTAL FIBER AND HIGH-POWER LIGHT TRANSMISSION SYSTEM

PHOTONIC CRYSTAL FIBER

OPTICAL FIBER DESIGN METHOD

MULTICORE FIBER AND MANUFACTURING METHOD OF MULTICORE FIBER