Mikiko Arakawa

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Iruma-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Portable information terminal
- Patent number 6,876,871
- Issue date Apr 5, 2005
- Pioneer Corporation
- Naofumi Hirayama
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Portable telephone
- Patent number 6,807,276
- Issue date Oct 19, 2004
- Pioneer Corporation
- Naofumi Hirayama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Portable telephone, remote monitoring system, portable information...
- Publication number 20020028696
- Publication date Mar 7, 2002
- Naofumi Hirayama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Interior image information providing system using portable informat...
- Publication number 20020025825
- Publication date Feb 28, 2002
- Naofumi Hirayama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Portable telephone
- Publication number 20020018558
- Publication date Feb 14, 2002
- PIONEER CORPORATION
- Naofumi Hirayama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Portable information terminal
- Publication number 20020016187
- Publication date Feb 7, 2002
- Naofumi Hirayama
- G06 - COMPUTING CALCULATING COUNTING