Seiji Igi

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Wireless network system carrying out multihop wireless communicatio...
- Patent number 8,576,831
- Issue date Nov 5, 2013
- National Institute of Information and Communications Technology
- Bing Zhang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Multi-hop wireless network system
- Patent number 8,072,925
- Issue date Dec 6, 2011
- Oki Electric Industry Co., Ltd.
- Oyunchimeg Shagdar
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
System for reproducing audio information corresponding to a positio...
- Patent number 8,073,155
- Issue date Dec 6, 2011
- National Institute of Advanced Industrial Science and Technology
- Takuichi Nishimura
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
WIRELESS NETWORK SYSTEM
- Publication number 20090274128
- Publication date Nov 5, 2009
- Oki Electric Industry Co., Ltd.
- Bing Zhang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
MULTI-HOP WIRELESS NETWORK SYSTEM
- Publication number 20090092083
- Publication date Apr 9, 2009
- Oki Electric Industry Co., Ltd.
- Oyunchimeg Shagdar
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Audio Information Support System
- Publication number 20080025548
- Publication date Jan 31, 2008
- Takuichi Nishimura
- G06 - COMPUTING CALCULATING COUNTING