Tokutaka Hara

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Positioning member having cutout portion and polarization beam comb...
- Patent number 11,204,507
- Issue date Dec 21, 2021
- Sumitomo Osaka Cement Co., Ltd.
- Tokutaka Hara
- G02 - OPTICS
Information Patent Grant
Optical modulation device
- Patent number 11,163,118
- Issue date Nov 2, 2021
- Sumitomo Osaka Cement Co., Ltd.
- Makoto Shimada
- G02 - OPTICS
Information Patent Grant
Optical module
- Patent number 11,022,763
- Issue date Jun 1, 2021
- Sumitomo Osaka Cement Co., Ltd.
- Tokutaka Hara
- G02 - OPTICS
Information Patent Grant
Optical modulator
- Patent number 10,409,136
- Issue date Sep 10, 2019
- Sumitomo Osaka Cement Co., Ltd.
- Tokutaka Hara
- G02 - OPTICS
Information Patent Grant
Optical element module
- Patent number 10,126,505
- Issue date Nov 13, 2018
- Sumitomo Osaka Cement Co., Ltd.
- Tokutaka Hara
- G02 - OPTICS
Information Patent Grant
Polarization-combining module
- Patent number 10,001,602
- Issue date Jun 19, 2018
- Sumitomo Osaka Cement Co., Ltd.
- Tokutaka Hara
- G02 - OPTICS
Information Patent Grant
Optical modulator
- Patent number 9,864,216
- Issue date Jan 9, 2018
- Sumitomo Osaka Cement Co., Ltd.
- Norikazu Miyazaki
- G02 - OPTICS
Information Patent Grant
Optical modulator
- Patent number 9,817,293
- Issue date Nov 14, 2017
- Sumitomo Osaka Cement Co., Ltd.
- Tokutaka Hara
- G02 - OPTICS
Information Patent Grant
Optical modulator
- Patent number 9,703,169
- Issue date Jul 11, 2017
- Sumitomo Osaka Cement Co., Ltd.
- Miki Okamura
- G02 - OPTICS
Information Patent Grant
Optical element
- Patent number 9,618,713
- Issue date Apr 11, 2017
- Sumitomo Osaka Cement Co., Ltd.
- Miki Okamura
- G02 - OPTICS
Information Patent Grant
Optical pulse-generator and optical pulse-generating method
- Patent number 9,570,879
- Issue date Feb 14, 2017
- Sumitomo Osaka Cement Co., Ltd.
- Tokutaka Hara
- G02 - OPTICS
Information Patent Grant
Optical pulse-generator
- Patent number 9,366,937
- Issue date Jun 14, 2016
- Sumitomo Osaka Cement Co., Ltd.
- Masaaki Sudo
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical modulator
- Patent number 8,437,068
- Issue date May 7, 2013
- Sumitomo Osaka Cement Co., Ltd.
- Takuji Maie
- G02 - OPTICS
Information Patent Grant
External cavity semiconductor laser
- Patent number 7,936,803
- Issue date May 3, 2011
- Sumitomo Osaka Cement Co., Ltd.
- Miki Yatsuki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Apparatus and method of generating laser beam
- Patent number 7,760,775
- Issue date Jul 20, 2010
- Sumitomo Osaka Cement Co., Ltd.
- Hitoshi Oguri
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Optical waveguide modulator equipped with an output light monitor
- Patent number 7,532,778
- Issue date May 12, 2009
- Sumitomo Osaka Cement Co., Ltd.
- Manabu Yamada
- G02 - OPTICS
Information Patent Grant
Optical waveguide modulator with output light monitor
- Patent number 7,359,581
- Issue date Apr 15, 2008
- Sumitomo Osaka Cement Co., Ltd.
- Norikazu Miyazaki
- G02 - OPTICS
Information Patent Grant
Optical modulator
- Patent number 7,310,453
- Issue date Dec 18, 2007
- Sumitomo Osaka Cement Co., Ltd.
- Junichiro Ichikawa
- G02 - OPTICS
Information Patent Grant
Optical waveguide modulator with output light monitor
- Patent number 7,200,289
- Issue date Apr 3, 2007
- Sumitomo Osaka Cement Co., Ltd.
- Manabu Yamada
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
OPTICAL MODULE
- Publication number 20190302378
- Publication date Oct 3, 2019
- Sumitomo Osaka Cement Co., Ltd.
- Tokutaka HARA
- G02 - OPTICS
Information Patent Application
POSITIONING MEMBER AND POLARIZATION BEAM COMBINING MODULE USING POS...
- Publication number 20190302471
- Publication date Oct 3, 2019
- Sumitomo Osaka Cement Co., Ltd.
- Tokutaka HARA
- G02 - OPTICS
Information Patent Application
OPTICAL MODULATION DEVICE
- Publication number 20190004249
- Publication date Jan 3, 2019
- Sumitomo Osaka Cement Co., Ltd.
- Tokutaka HARA
- G02 - OPTICS
Information Patent Application
OPTICAL MODULATOR
- Publication number 20180307116
- Publication date Oct 25, 2018
- Sumitomo Osaka Cement Co., Ltd.
- Tokutaka HARA
- G02 - OPTICS
Information Patent Application
OPTICAL ELEMENT MODULE
- Publication number 20180284349
- Publication date Oct 4, 2018
- Sumitomo Osaka Cement Co., Ltd.
- Tokutaka HARA
- G02 - OPTICS
Information Patent Application
OPTICAL MODULATOR
- Publication number 20170343837
- Publication date Nov 30, 2017
- Sumitomo Osaka Cement Co., Ltd.
- Norikazu MIYAZAKI
- G02 - OPTICS
Information Patent Application
POLARIZATION-COMBINING MODULE
- Publication number 20170299813
- Publication date Oct 19, 2017
- Sumitomo Osaka Cement Co., Ltd.
- Tokutaka HARA
- G02 - OPTICS
Information Patent Application
OPTICAL MODULATOR
- Publication number 20170123287
- Publication date May 4, 2017
- Tokutaka HARA
- G02 - OPTICS
Information Patent Application
OPTICAL DEVICE
- Publication number 20160011377
- Publication date Jan 14, 2016
- Miki OKAMURA
- G02 - OPTICS
Information Patent Application
Optical Modulator
- Publication number 20150378237
- Publication date Dec 31, 2015
- Sumitomo Osaka Cement Co., Ltd.
- Miki OKAMURA
- G02 - OPTICS
Information Patent Application
Optical Element
- Publication number 20150362687
- Publication date Dec 17, 2015
- SUMITOMO OSAKA CEMENT CO., LTD.
- Miki OKAMURA
- G02 - OPTICS
Information Patent Application
OPITCAL PULSE-GENERATOR
- Publication number 20150043864
- Publication date Feb 12, 2015
- Sumitomo Osaka Cement Co., Ltd.
- Masaaki Sudo
- G02 - OPTICS
Information Patent Application
OPTICAL PULSE-GENERATOR AND OPTICAL PULSE-GENERATING METHOD
- Publication number 20150029575
- Publication date Jan 29, 2015
- Tokutaka Hara
- G02 - OPTICS
Information Patent Application
OPTICAL MODULATOR
- Publication number 20120250136
- Publication date Oct 4, 2012
- Sumitomo Osaka Cement Co., Ltd.
- Takuji Maie
- G02 - OPTICS
Information Patent Application
External Cavity semiconductor laser
- Publication number 20090059990
- Publication date Mar 5, 2009
- Miki Yatsuki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Light Monitoring Method and Light Monitoring Apparatus
- Publication number 20090040508
- Publication date Feb 12, 2009
- Sumitomo Osaka Cement Co., Ltd.
- Tokutaka Hara
- G02 - OPTICS
Information Patent Application
Apparatus and Method of Generating Laser Beam
- Publication number 20080310466
- Publication date Dec 18, 2008
- Sumitomo Osaka Cement Co., Ltd.
- Hitoshi Oguri
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Optical waveguide modulator with output light monitor
- Publication number 20070076999
- Publication date Apr 5, 2007
- Norikazu Miyazaki
- G02 - OPTICS
Information Patent Application
Optical waveguide modulator equipped with an output light monitor
- Publication number 20060133713
- Publication date Jun 22, 2006
- Manabu Yamada
- G02 - OPTICS
Information Patent Application
Optical modulator
- Publication number 20060110089
- Publication date May 25, 2006
- Junichiro Ichikawa
- G02 - OPTICS
Information Patent Application
Optical waveguide modulator with output light monitor
- Publication number 20050105848
- Publication date May 19, 2005
- Manabu Yamada
- G02 - OPTICS
Information Patent Application
Wavelength stabilized module, stable wavelength laser beam generati...
- Publication number 20040033021
- Publication date Feb 19, 2004
- Hitoshi Oguri
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Tokutaka Hara

Person

Patents Grantslast 30 patents

Positioning member having cutout portion and polarization beam comb...

Optical modulation device

Optical module

Optical modulator

Optical element module

Polarization-combining module

Optical modulator

Optical modulator

Optical modulator

Optical element

Optical pulse-generator and optical pulse-generating method

Optical pulse-generator

Optical modulator

External cavity semiconductor laser

Apparatus and method of generating laser beam

Optical waveguide modulator equipped with an output light monitor

Optical waveguide modulator with output light monitor

Optical modulator

Optical waveguide modulator with output light monitor

Patents Applicationslast 30 patents

OPTICAL MODULE

POSITIONING MEMBER AND POLARIZATION BEAM COMBINING MODULE USING POS...

OPTICAL MODULATION DEVICE

OPTICAL MODULATOR

OPTICAL ELEMENT MODULE

OPTICAL MODULATOR

POLARIZATION-COMBINING MODULE

OPTICAL MODULATOR

OPTICAL DEVICE

Optical Modulator

Optical Element

OPITCAL PULSE-GENERATOR

OPTICAL PULSE-GENERATOR AND OPTICAL PULSE-GENERATING METHOD

OPTICAL MODULATOR

External Cavity semiconductor laser

Light Monitoring Method and Light Monitoring Apparatus

Apparatus and Method of Generating Laser Beam

Optical waveguide modulator with output light monitor

Optical waveguide modulator equipped with an output light monitor

Optical modulator

Optical waveguide modulator with output light monitor

Wavelength stabilized module, stable wavelength laser beam generati...