Yoshinori Ohkura

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Mito, JP

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Patents Grantslast 30 patents

Information Patent Grant
Radio relay system
- Patent number 6,728,541
- Issue date Apr 27, 2004
- Hitachi, Ltd.
- Yoshinori Ohkura
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Data transmission method and system for hub-based network
- Patent number 5,724,350
- Issue date Mar 3, 1998
- Hitachi, Ltd.
- Takuji Hamada
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Data transmission method and system for hub-based network
- Patent number 5,657,327
- Issue date Aug 12, 1997
- Hitachi, Ltd.
- Takuji Hamada
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Cyclic data communication system
- Patent number 5,517,669
- Issue date May 14, 1996
- Hitachi, Ltd.
- Yoshinori Ohkura
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
Controller and application installing method
- Publication number 20020073411
- Publication date Jun 13, 2002
- Kunihiko Tsunedomi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Radio relay system
- Publication number 20010018328
- Publication date Aug 30, 2001
- Yoshinori Ohkura
- H04 - ELECTRIC COMMUNICATION TECHNIQUE