Hisayuki Ojima

Person

Yokohama, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Optical transmission apparatus and wavelength control method
- Patent number 9,768,906
- Issue date Sep 19, 2017
- Fujitsu Limited
- Hisayuki Ojima
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical transmission system and optical transmission device
- Patent number 9,479,249
- Issue date Oct 25, 2016
- Fujitsu Limited
- Taketo Endo
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical transmission apparatus and optical transmission method
- Patent number 9,191,119
- Issue date Nov 17, 2015
- Fujitsu Limited
- Hisayuki Ojima
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Jitter control apparatus
- Patent number 8,488,622
- Issue date Jul 16, 2013
- Fujitsu Limited
- Yuichiro Sakamoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical transmission apparatus with clock selector
- Patent number 8,139,947
- Issue date Mar 20, 2012
- Fujitsu Limited
- Hisayuki Ojima
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical reception apparatus and controlling method thereof
- Patent number 7,711,218
- Issue date May 4, 2010
- Fujitsu Limited
- Hisayuki Ojima
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical-level control method, optical-level control apparatus and w...
- Patent number 7,466,478
- Issue date Dec 16, 2008
- Fujitsu Limited
- Takuji Maeda
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical transmission system
- Patent number 7,430,372
- Issue date Sep 30, 2008
- Fujitsu Limited
- Mamoru Suematsu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Circuit for varying read timing
- Patent number 5,608,343
- Issue date Mar 4, 1997
- Fujitsu Limited
- Hisayuki Ojima
- H03 - BASIC ELECTRONIC CIRCUITRY

Patents Applicationslast 30 patents

Information Patent Application
OPTICAL TRANSMISSION SYSTEM AND APPARATUS AND TRANSMISSION METHOD
- Publication number 20200169324
- Publication date May 28, 2020
- Fujitsu Limited
- Kunihiko YANAGIKUIDA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
TRANSMISSION AND RECEPTION APPARATUS, OPTICAL TRANSMISSION APPARATU...
- Publication number 20190149258
- Publication date May 16, 2019
- Fujitsu Limited
- Hirofumi Araki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL TRANSMISSION APPARATUS AND WAVELENGTH CONTROL METHOD
- Publication number 20160261362
- Publication date Sep 8, 2016
- Fujitsu Limited
- Hisayuki Ojima
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL TRANSMISSION SYSTEM AND OPTICAL TRANSMISSION DEVICE
- Publication number 20160065305
- Publication date Mar 3, 2016
- Fujitsu Limited
- Taketo ENDO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL TRANSMISSION APPARATUS AND OPTICAL TRANSMISSION METHOD
- Publication number 20140314427
- Publication date Oct 23, 2014
- Fujitsu Limited
- Hisayuki OJIMA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
JITTER CONTROL APPARATUS
- Publication number 20100074386
- Publication date Mar 25, 2010
- FUJITSU LIMITED
- Yuichiro SAKAMOTO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical transmission apparatus with clock selector
- Publication number 20090297161
- Publication date Dec 3, 2009
- FUJITSU LIMITED
- Hisayuki Ojima
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical reception apparatus and controlling method thereof
- Publication number 20090028580
- Publication date Jan 29, 2009
- FUJITSU LIMITED
- Hisayuki Ojima
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method and apparatus for controlling level of each signal included...
- Publication number 20070047960
- Publication date Mar 1, 2007
- FUJITSU LIMITED
- Takeshi Noma
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical transmission system
- Publication number 20060188262
- Publication date Aug 24, 2006
- FUJITSU LIMITED
- Mamoru Suematsu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical-level control method, optical-level control apparatus and w...
- Publication number 20050168806
- Publication date Aug 4, 2005
- FUJITSU LIMITED
- Takuji Maeda
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Hisayuki Ojima

Person

Patents Grantslast 30 patents

Optical transmission apparatus and wavelength control method

Optical transmission system and optical transmission device

Optical transmission apparatus and optical transmission method

Jitter control apparatus

Optical transmission apparatus with clock selector

Optical reception apparatus and controlling method thereof

Optical-level control method, optical-level control apparatus and w...

Optical transmission system

Circuit for varying read timing

Patents Applicationslast 30 patents

OPTICAL TRANSMISSION SYSTEM AND APPARATUS AND TRANSMISSION METHOD

TRANSMISSION AND RECEPTION APPARATUS, OPTICAL TRANSMISSION APPARATU...

OPTICAL TRANSMISSION APPARATUS AND WAVELENGTH CONTROL METHOD

OPTICAL TRANSMISSION SYSTEM AND OPTICAL TRANSMISSION DEVICE

OPTICAL TRANSMISSION APPARATUS AND OPTICAL TRANSMISSION METHOD

JITTER CONTROL APPARATUS

Optical transmission apparatus with clock selector

Optical reception apparatus and controlling method thereof

Method and apparatus for controlling level of each signal included...

Optical transmission system

Optical-level control method, optical-level control apparatus and w...