PIONEER COMMUNICATIONS CORPORATION

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Tokorozawa City, JP

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Patents Grantslast 30 patents

Information Patent Grant
Portable-to-portable call transfer system for cordless telephone
- Patent number 5,259,020
- Issue date Nov 2, 1993
- Pioneer Electronic Corporation
- Masahiro Hirano
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
DOORPHONE SYSTEM
- Publication number 20090239465
- Publication date Sep 24, 2009
- Pioneer Corporation
- Tatsuro NAGAO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Trademarklast 30 trademarks