Mikitaka Itoh

Person

Atsugi-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Semiconductor laser device
- Patent number 10,333,280
- Issue date Jun 25, 2019
- Nippon Telegraph and Telephone Corporation
- Hiroyuki Ishii
- G02 - OPTICS
Information Patent Grant
Optical waveguide device and module
- Patent number 10,126,502
- Issue date Nov 13, 2018
- NTT Electronics Corporation
- Takanori Ishikawa
- G02 - OPTICS
Information Patent Grant
Multi-stage interferometer circuit with waveform shaping function
- Patent number 10,050,717
- Issue date Aug 14, 2018
- Nippon Telegraph and Telephone Corporation
- Takashi Goh
- G02 - OPTICS
Information Patent Grant
Optical waveguide device and module
- Patent number 9,684,129
- Issue date Jun 20, 2017
- NTT Electronics Corporation
- Takanori Ishikawa
- G02 - OPTICS
Information Patent Grant
Arrayed waveguide grating, optical module provided with said arraye...
- Patent number 9,116,305
- Issue date Aug 25, 2015
- Nippon Telegraph and Telephone Corporation
- Hirotaka Nakamura
- G02 - OPTICS
Information Patent Grant
Optical waveguide device and module
- Patent number 9,020,307
- Issue date Apr 28, 2015
- NTT Electronics Corporation
- Takanori Ishikawa
- G02 - OPTICS
Information Patent Grant
Arrayed waveguide grating
- Patent number 8,867,873
- Issue date Oct 21, 2014
- Nippon Telegraph and Telephone Corporation
- Shin Kamei
- G02 - OPTICS
Information Patent Grant
Optical wavelength multiplexing/ de-multiplexing circuit
- Patent number 8,369,666
- Issue date Feb 5, 2013
- Nippon Telegraph and Telephone Corporation
- Shin Kamei
- G02 - OPTICS
Information Patent Grant
Planar lightwave circuit and optical circuit
- Patent number 6,937,797
- Issue date Aug 30, 2005
- Nippon Telegraph and Telephone Corporation
- Takayuki Mizuno
- G02 - OPTICS
Information Patent Grant
Silica-based optical waveguide circuit and fabrication method thereof
- Patent number 6,775,454
- Issue date Aug 10, 2004
- Nippon Telegraph and Telephone Corporation
- Mikitaka Itoh
- G02 - OPTICS
Information Patent Grant
Optical waveguide and fabricating method thereof, and optical waveg...
- Patent number 6,625,370
- Issue date Sep 23, 2003
- Nippon Telegraph and Telephone Corporation
- Mikitaka Itoh
- G02 - OPTICS
Information Patent Grant
Optical waveguide circuit
- Patent number 6,580,862
- Issue date Jun 17, 2003
- Nippon Telegraph and Telephone Corporation
- Toshimi Kominato
- G02 - OPTICS
Information Patent Grant
Planar lightwave circuit
- Patent number 6,304,706
- Issue date Oct 16, 2001
- Nippon Telegraph and Telephone Corporation
- Akio Sugita
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
SEMICONDUCTOR LASER DEVICE
- Publication number 20180269659
- Publication date Sep 20, 2018
- Nippon Telegraph and Telephone Corporation
- Hiroyuki Ishii
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
MULTI-STAGE INTERFEROMETER CIRCUIT WITH WAVEFORM SHAPING FUNCTION
- Publication number 20180034555
- Publication date Feb 1, 2018
- Nippon Telegraph and Telephone Corporation
- Takashi Goh
- G02 - OPTICS
Information Patent Application
OPTICAL WAVEGUIDE DEVICE AND MODULE
- Publication number 20170146742
- Publication date May 25, 2017
- NTT Electronics Corporation
- Takanori Ishikawa
- G02 - OPTICS
Information Patent Application
OPTICAL WAVEGUIDE DEVICE AND MODULE
- Publication number 20150205043
- Publication date Jul 23, 2015
- NTT Electronics Corporation
- Takanori Ishikawa
- G02 - OPTICS
Information Patent Application
ARRAYED WAVEGUIDE GRATING, OPTICAL MODULE PROVIDED WITH SAID ARRAYE...
- Publication number 20140376861
- Publication date Dec 25, 2014
- Hirotaka Nakamura
- G02 - OPTICS
Information Patent Application
OPTICAL WAVEGUIDE DEVICE AND MODULE
- Publication number 20120251041
- Publication date Oct 4, 2012
- Nippon Telegraph and Telephone Corporation
- Takanori Ishikawa
- G02 - OPTICS
Information Patent Application
Optical Wavelength Multiplexing/ De-multiplexing Circuit
- Publication number 20110116802
- Publication date May 19, 2011
- Nippon Telegraph and Telephone Corporation
- Shin Kamei
- G02 - OPTICS
Information Patent Application
ARRAYE WAVEGUIDE DIFFRACTION GRATING
- Publication number 20110110624
- Publication date May 12, 2011
- Nippon Telegraph and Telephone Corporation
- Shin Kamei
- G02 - OPTICS
Information Patent Application
OPTICAL SIGNAL MONITORING APPARATUS, OPTICAL SYSTEM AND OPTICAL SIG...
- Publication number 20080226290
- Publication date Sep 18, 2008
- Nippon Telegraph and Telephone Corporation
- Takaharu Ohyama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Silica-based optical waveguide circuit and fabrication method thereof
- Publication number 20020168166
- Publication date Nov 14, 2002
- Nippon Telegraph and Telephone Corporation
- Mikitaka Itoh
- G02 - OPTICS
Information Patent Application
Planar lightwave circuit and optical circuit
- Publication number 20020154863
- Publication date Oct 24, 2002
- Takayuki Mizuno
- G02 - OPTICS
Information Patent Application
Optical waveguide circuit
- Publication number 20020122650
- Publication date Sep 5, 2002
- Toshimi Kominato
- G02 - OPTICS
Information Patent Application
Optical waveguide and fabricating method thereof, and optical waveg...
- Publication number 20020048443
- Publication date Apr 25, 2002
- Nippon Telegraph and Telephone Corporation
- Mikitaka Itoh
- G02 - OPTICS

Mikitaka Itoh

Person

Patents Grantslast 30 patents

Semiconductor laser device

Optical waveguide device and module

Multi-stage interferometer circuit with waveform shaping function

Optical waveguide device and module

Arrayed waveguide grating, optical module provided with said arraye...

Optical waveguide device and module

Arrayed waveguide grating

Optical wavelength multiplexing/ de-multiplexing circuit

Planar lightwave circuit and optical circuit

Silica-based optical waveguide circuit and fabrication method thereof

Optical waveguide and fabricating method thereof, and optical waveg...

Optical waveguide circuit

Planar lightwave circuit

Patents Applicationslast 30 patents

SEMICONDUCTOR LASER DEVICE

MULTI-STAGE INTERFEROMETER CIRCUIT WITH WAVEFORM SHAPING FUNCTION

OPTICAL WAVEGUIDE DEVICE AND MODULE

OPTICAL WAVEGUIDE DEVICE AND MODULE

ARRAYED WAVEGUIDE GRATING, OPTICAL MODULE PROVIDED WITH SAID ARRAYE...

OPTICAL WAVEGUIDE DEVICE AND MODULE

Optical Wavelength Multiplexing/ De-multiplexing Circuit

ARRAYE WAVEGUIDE DIFFRACTION GRATING

OPTICAL SIGNAL MONITORING APPARATUS, OPTICAL SYSTEM AND OPTICAL SIG...

Silica-based optical waveguide circuit and fabrication method thereof

Planar lightwave circuit and optical circuit

Optical waveguide circuit

Optical waveguide and fabricating method thereof, and optical waveg...