Katsuhiro Shimano

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Kanagawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method, device and program for estimating optical communication status
- Patent number 11,923,897
- Issue date Mar 5, 2024
- Nippon Telegraph and Telephone Corporation
- Takayuki Nakachi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Packet transmission method and packet transmission device
- Patent number 8,625,588
- Issue date Jan 7, 2014
- Nippon Telegraph and Telephone Corporation
- Ippei Shake
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Device and method for correcting a path trouble in a communication...
- Patent number 8,134,920
- Issue date Mar 13, 2012
- Nippon Telegraph and Telephone Corporation
- Wataru Imajuku
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Packet transmission method and packet transmission device
- Patent number 7,869,428
- Issue date Jan 11, 2011
- Nippon Telegraph and Telephone Corporation
- Ippei Shake
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Path network and path network operation method using conversion of...
- Patent number 6,947,377
- Issue date Sep 20, 2005
- Nippon Telegraph and Telephone Corporation
- Katsuhiro Shimano
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
METHOD, DEVICE AND PROGRAM FOR ESTIMATING OPTICAL COMMUNICATION STATUS
- Publication number 20230018846
- Publication date Jan 19, 2023
- Nippon Telegraph and Telephone Corporation
- Takayuki NAKACHI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
PACKET TRANSMISSION METHOD AND PACKET TRANSMISSION DEVICE
- Publication number 20110038373
- Publication date Feb 17, 2011
- NIPPON TELEGRAPH AND TELEPHONE CORP.
- Ippei SHAKE
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Packet Transmission Method and Packet Transmission Device
- Publication number 20080279181
- Publication date Nov 13, 2008
- Ippei Shake
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Device and method for correcting a path trouble in a communication...
- Publication number 20060256712
- Publication date Nov 16, 2006
- Nippon Telegraph and Telephone Corporation
- Wataru Imajuku
- H04 - ELECTRIC COMMUNICATION TECHNIQUE