Toshiki Sugawara

Person

Kokubunji, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Optical interconnection module and optical-electrical hybrid board
- Patent number 9,379,276
- Issue date Jun 28, 2016
- Hitachi, Ltd.
- Yasunobu Matsuoka
- G02 - OPTICS
Information Patent Grant
Large-capacity fiber optical switching device and optical transmiss...
- Patent number 9,154,220
- Issue date Oct 6, 2015
- Hitachi, Ltd.
- Toshiki Sugawara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical semiconductor device and optical waveguide
- Patent number 8,965,153
- Issue date Feb 24, 2015
- Hitachi Ltd.
- Makoto Takahashi
- G02 - OPTICS
Information Patent Grant
Optical waveguide board having guided structure and method of manuf...
- Patent number 8,942,520
- Issue date Jan 27, 2015
- Hitachi Chemical Company, Ltd.
- Yasunobu Matsuoka
- G02 - OPTICS
Information Patent Grant
Semiconductor optical device
- Patent number 8,909,021
- Issue date Dec 9, 2014
- Hitachi, Ltd.
- Shinichi Saito
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Optical module
- Patent number 8,902,947
- Issue date Dec 2, 2014
- Hitachi, Ltd.
- Shigeki Makino
- G02 - OPTICS
Information Patent Grant
Horizontal-cavity surface-emitting laser
- Patent number 8,855,160
- Issue date Oct 7, 2014
- Hitachi, Ltd.
- Koichiro Adachi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Surface emitting laser module and vertical illuminated photodiode m...
- Patent number 8,755,423
- Issue date Jun 17, 2014
- Hitachi, Ltd.
- Koichiro Adachi
- G02 - OPTICS
Information Patent Grant
Light-emitting device, light-receiving device and method of manufac...
- Patent number 8,680,553
- Issue date Mar 25, 2014
- Hitachi, Ltd.
- Shinichi Saito
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Light beam scanning image projection apparatus
- Patent number 8,569,727
- Issue date Oct 29, 2013
- Hitachi, Ltd.
- Etsuko Nomoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Network system and optical line terminal
- Patent number 8,488,965
- Issue date Jul 16, 2013
- Hitachi, Ltd.
- Masahiko Mizutani
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Network system, optical network unit and optical line terminal
- Patent number 8,457,495
- Issue date Jun 4, 2013
- Hitachi, Ltd.
- Masahiko Mizutani
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical I/O array module and its fabrication method
- Patent number 8,437,584
- Issue date May 7, 2013
- Hitachi, Ltd.
- Yasunobu Matsuoka
- G02 - OPTICS
Information Patent Grant
Photoelectric composite wiring module and method for manufacturing...
- Patent number 8,406,581
- Issue date Mar 26, 2013
- Hitachi, Ltd.
- Saori Hamamura
- G02 - OPTICS
Information Patent Grant
Photoelectric composite wiring module and method for manufacturing...
- Patent number 8,401,347
- Issue date Mar 19, 2013
- Hitachi, Ltd.
- Naoki Matsushima
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Network system and optical line terminal
- Patent number 8,331,784
- Issue date Dec 11, 2012
- Hitachi, Ltd.
- Masahiko Mizutani
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical transceiver module
- Patent number 8,303,195
- Issue date Nov 6, 2012
- Hitachi, Ltd.
- Koichiro Adachi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical communication system and optical line terminating apparatus
- Patent number 8,249,454
- Issue date Aug 21, 2012
- Hitachi, Ltd.
- Toshiki Sugawara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical communication system using WDMA and CDMA
- Patent number 8,224,135
- Issue date Jul 17, 2012
- Hitachi, Ltd.
- Masahiko Mizutani
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
PON system method for receiving optical signal and OLT
- Patent number 8,116,627
- Issue date Feb 14, 2012
- Hitachi, Ltd.
- Hiroki Ikeda
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Network system, optical line terminating apparatus, and optical net...
- Patent number 8,090,261
- Issue date Jan 3, 2012
- Hitachi, Ltd.
- Toshiki Sugawara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical transmitter/receiver module
- Patent number 8,036,533
- Issue date Oct 11, 2011
- Hitachi, Ltd.
- Kazuhiko Hosomi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Passive optical network system and optical line terminating apparatus
- Patent number 8,027,586
- Issue date Sep 27, 2011
- Hitachi, Ltd.
- Hiroki Ikeda
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical prism and optical transceiver module for optical communicat...
- Patent number 7,991,290
- Issue date Aug 2, 2011
- Hitachi, Ltd.
- Ken'ichi Tanaka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical line terminating apparatus and optical communication system
- Patent number 7,936,991
- Issue date May 3, 2011
- Hitachi, Ltd.
- Toshiki Sugawara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical communication system using WDMA and CDMA
- Patent number 7,676,127
- Issue date Mar 9, 2010
- Hitachi Communication Technologies, Ltd.
- Masahiko Mizutani
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Variable dispersion compensator
- Patent number 7,590,356
- Issue date Sep 15, 2009
- Hitachi Metals Ltd.
- Toshiki Sugawara
- G02 - OPTICS
Information Patent Grant
IP packet communication apparatus
- Patent number 7,518,998
- Issue date Apr 14, 2009
- Hitachi, Ltd.
- Kenichi Sakamoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Communication apparatus and communication system
- Patent number 7,518,985
- Issue date Apr 14, 2009
- Hitachi Communication Technologies, Ltd.
- Toshiki Sugawara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Variable dispersion compensator
- Patent number 7,512,344
- Issue date Mar 31, 2009
- Hitachi Metals Ltd.
- Toshiki Sugawara
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
Optical Path Converting Optical Coupling Device Connected with Opti...
- Publication number 20150234134
- Publication date Aug 20, 2015
- Hitachi, Ltd
- Toshiki Sugawara
- G02 - OPTICS
Information Patent Application
OPTICAL INTERCONNECTION MODULE AND OPTICAL-ELECTRICAL HYBRID BOARD
- Publication number 20150155423
- Publication date Jun 4, 2015
- Hitachi, Ltd.
- Yasunobu MATSUOKA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
LARGE-CAPACITY FIBER OPTICAL SWITCHING DEVICE AND OPTICAL TRANSMISS...
- Publication number 20140241712
- Publication date Aug 28, 2014
- Hitachi, Ltd
- Toshiki SUGAWARA
- G02 - OPTICS
Information Patent Application
Semiconductor Laser Device
- Publication number 20130322478
- Publication date Dec 5, 2013
- Koichiro ADACHI
- B82 - NANO-TECHNOLOGY
Information Patent Application
Optical Module and Multilayer Substrate
- Publication number 20130101251
- Publication date Apr 25, 2013
- Daichi KAWAMURA
- G02 - OPTICS
Information Patent Application
GERMANIUM LIGHT-EMITTING ELEMENT
- Publication number 20120287959
- Publication date Nov 15, 2012
- Kazuki Tani
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
OPTICAL ELEMENT
- Publication number 20120288228
- Publication date Nov 15, 2012
- Shinichi Saito
- G02 - OPTICS
Information Patent Application
Optical Module
- Publication number 20120250711
- Publication date Oct 4, 2012
- Hitachi, Ltd
- Shigeki MAKINO
- G02 - OPTICS
Information Patent Application
OPTICAL INTERCONNECTION MODULE AND OPTICAL-ELECTRICAL HYBRID BOARD
- Publication number 20120251033
- Publication date Oct 4, 2012
- Hitachi, Ltd.
- Yasunobu MATSUOKA
- G02 - OPTICS
Information Patent Application
SURFACE EMISSION LASER
- Publication number 20120230361
- Publication date Sep 13, 2012
- Koichiro Adachi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
OPTICAL WAVEGUIDE SUBSTRATE HAVING POSITIONING STRUCTURE, METHOD FO...
- Publication number 20120213470
- Publication date Aug 23, 2012
- Yasunobu Matsuoka
- G02 - OPTICS
Information Patent Application
HORIZONTAL CAVITY SURFACE EMITTING LASER DIODES, VERTICAL ILLUMINAT...
- Publication number 20120183009
- Publication date Jul 19, 2012
- Hitachi, Ltd.
- Koichiro ADACHI
- G02 - OPTICS
Information Patent Application
Photoelectric Composite Wiring Module and Method for Manufacturing...
- Publication number 20120128292
- Publication date May 24, 2012
- HITACHI LTD.
- Saori Hamamura
- G02 - OPTICS
Information Patent Application
Optical Waveguide and Optical Waveguide Module
- Publication number 20110299808
- Publication date Dec 8, 2011
- Yasunobu Matsuoka
- G02 - OPTICS
Information Patent Application
LIGHT BEAM SCANNING IMAGE PROJECTION APPARATUS
- Publication number 20110096383
- Publication date Apr 28, 2011
- Etsuko Nomoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical I/O Array Module and Its Fabrication Method
- Publication number 20110026878
- Publication date Feb 3, 2011
- Hitachi, Ltd
- Yasunobu MATSUOKA
- G02 - OPTICS
Information Patent Application
Optical Transceiver Module
- Publication number 20100278482
- Publication date Nov 4, 2010
- Hitachi, Ltd
- Koichiro Adachi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SURFACE EMITTING LASER MODULE AND VERTICAL ILLUMINATED PHOTODIODE M...
- Publication number 20100265983
- Publication date Oct 21, 2010
- Hitachi, Ltd
- Koichiro ADACHI
- G02 - OPTICS
Information Patent Application
OPTICAL MODULE AND WAVELENGTH DIVISION MULTIPLEXING OPTICAL MODULE
- Publication number 20100247043
- Publication date Sep 30, 2010
- Hitachi, Ltd
- Toshiki SUGAWARA
- G02 - OPTICS
Information Patent Application
OPTICAL INTERCONNECTION ASSEMBLED CIRCUIT
- Publication number 20100215313
- Publication date Aug 26, 2010
- Hitachi, Ltd.
- YASUNOBU MATSUOKA
- G02 - OPTICS
Information Patent Application
PHOTOELECTRIC COMPOSITE WIRING MODULE AND METHOD FOR MANUFACTURING...
- Publication number 20100209041
- Publication date Aug 19, 2010
- Hitachi, Ltd
- Naoki MATSUSHIMA
- G02 - OPTICS
Information Patent Application
OPTICAL COMMUNICATIONS SYSTEMS AND OPTICAL LINE TERMINALS
- Publication number 20100178053
- Publication date Jul 15, 2010
- Hitachi, Ltd
- Misuzu SAGAWA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL COMMUNICATION SYSTEM USING WDMA AND CDMA
- Publication number 20100158527
- Publication date Jun 24, 2010
- Hitachi, Ltd
- Masahiko Mizutani
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL MODULE
- Publication number 20090316745
- Publication date Dec 24, 2009
- Hitachi, Ltd.
- Toshihiko Fukamachi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Optical communication system and optical line terminating apparatus
- Publication number 20090310964
- Publication date Dec 17, 2009
- Hitachi Communication Technologies, Ltd.
- Toshiki Sugawara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical Branching Apparatus and Passive Optical Network System
- Publication number 20090304388
- Publication date Dec 10, 2009
- Kazuyori UMEMATSU
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical device
- Publication number 20090263078
- Publication date Oct 22, 2009
- Hitachi, Ltd.
- Kazuhiko Hosomi
- G02 - OPTICS
Information Patent Application
Network system, optical line terminating apparatus, and optical net...
- Publication number 20090169209
- Publication date Jul 2, 2009
- Hitachi Communication Technologies, Ltd.
- Toshiki Sugawara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
PON system method for receiving optical signal and OLT
- Publication number 20090162053
- Publication date Jun 25, 2009
- Hitachi Communication Technologies, Ltd.
- Hiroki Ikeda
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
NETWORK SYSTEM AND OPTICAL LINE TERMINAL
- Publication number 20090162064
- Publication date Jun 25, 2009
- Masahiko Mizutani
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Toshiki Sugawara

Person

Patents Grantslast 30 patents

Optical interconnection module and optical-electrical hybrid board

Large-capacity fiber optical switching device and optical transmiss...

Optical semiconductor device and optical waveguide

Optical waveguide board having guided structure and method of manuf...

Semiconductor optical device

Optical module

Horizontal-cavity surface-emitting laser

Surface emitting laser module and vertical illuminated photodiode m...

Light-emitting device, light-receiving device and method of manufac...

Light beam scanning image projection apparatus

Network system and optical line terminal

Network system, optical network unit and optical line terminal

Optical I/O array module and its fabrication method

Photoelectric composite wiring module and method for manufacturing...

Photoelectric composite wiring module and method for manufacturing...

Network system and optical line terminal

Optical transceiver module

Optical communication system and optical line terminating apparatus

Optical communication system using WDMA and CDMA

PON system method for receiving optical signal and OLT

Network system, optical line terminating apparatus, and optical net...

Optical transmitter/receiver module

Passive optical network system and optical line terminating apparatus

Optical prism and optical transceiver module for optical communicat...

Optical line terminating apparatus and optical communication system

Optical communication system using WDMA and CDMA

Variable dispersion compensator

IP packet communication apparatus

Communication apparatus and communication system

Variable dispersion compensator

Patents Applicationslast 30 patents

Optical Path Converting Optical Coupling Device Connected with Opti...

OPTICAL INTERCONNECTION MODULE AND OPTICAL-ELECTRICAL HYBRID BOARD

LARGE-CAPACITY FIBER OPTICAL SWITCHING DEVICE AND OPTICAL TRANSMISS...

Semiconductor Laser Device

Optical Module and Multilayer Substrate

GERMANIUM LIGHT-EMITTING ELEMENT

OPTICAL ELEMENT

Optical Module

OPTICAL INTERCONNECTION MODULE AND OPTICAL-ELECTRICAL HYBRID BOARD

SURFACE EMISSION LASER

OPTICAL WAVEGUIDE SUBSTRATE HAVING POSITIONING STRUCTURE, METHOD FO...

HORIZONTAL CAVITY SURFACE EMITTING LASER DIODES, VERTICAL ILLUMINAT...

Photoelectric Composite Wiring Module and Method for Manufacturing...

Optical Waveguide and Optical Waveguide Module

LIGHT BEAM SCANNING IMAGE PROJECTION APPARATUS

Optical I/O Array Module and Its Fabrication Method

Optical Transceiver Module

SURFACE EMITTING LASER MODULE AND VERTICAL ILLUMINATED PHOTODIODE M...

OPTICAL MODULE AND WAVELENGTH DIVISION MULTIPLEXING OPTICAL MODULE

OPTICAL INTERCONNECTION ASSEMBLED CIRCUIT

PHOTOELECTRIC COMPOSITE WIRING MODULE AND METHOD FOR MANUFACTURING...

OPTICAL COMMUNICATIONS SYSTEMS AND OPTICAL LINE TERMINALS

OPTICAL COMMUNICATION SYSTEM USING WDMA AND CDMA

OPTICAL MODULE

Optical communication system and optical line terminating apparatus

Optical Branching Apparatus and Passive Optical Network System

Optical device

Network system, optical line terminating apparatus, and optical net...

PON system method for receiving optical signal and OLT

NETWORK SYSTEM AND OPTICAL LINE TERMINAL