Fumio Nakamura

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Kawasaki, JP

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Patents Grantslast 30 patents

Information Patent Grant
System for establishing new path in ring network and dividing ring...
- Patent number 5,712,968
- Issue date Jan 27, 1998
- Hitachi, Ltd.
- Yoshiyuki Nakayama
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Collaborative information processing system and workstation
- Patent number 5,379,374
- Issue date Jan 3, 1995
- Hitachi, Ltd.
- Takeshi Ishizaki
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Control method and system for establishing a connection among termi...
- Patent number 5,247,615
- Issue date Sep 21, 1993
- Hitachi, Ltd.
- Kenjiro Mori
- H04 - ELECTRIC COMMUNICATION TECHNIQUE