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Naofumi Hirayama
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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Information providing apparatus, information providing method, and...
Patent number
7,751,970
Issue date
Jul 6, 2010
Pioneer Corporation
Naofumi Hirayama
G01 - MEASURING TESTING
Information
Patent Grant
Portable information terminal
Patent number
6,882,326
Issue date
Apr 19, 2005
Pioneer Corporation
Naofumi Hirayama
G06 - COMPUTING CALCULATING COUNTING
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 Applications
last 30 patents
Information
Patent Application
INFORMATION PROVIDING APPARATUS, INFORMATION PROVIDING METHOD, AND...
Publication number
20080033638
Publication date
Feb 7, 2008
PIONEER CORPORATION
Naofumi HIRAYAMA
G01 - MEASURING TESTING
Information
Patent Application
Information display apparatus, information display method, and comp...
Publication number
20070159361
Publication date
Jul 12, 2007
PIONEER CORPORATION
Naofumi Hirayama
G01 - MEASURING TESTING
Information
Patent Application
Portable information terminal
Publication number
20020198006
Publication date
Dec 26, 2002
Pioneer Corporation and Pioneer Design Corporation
Naofumi Hirayama
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Portable information terminal
Publication number
20020196228
Publication date
Dec 26, 2002
Pioneer Corporation and Pioneer Design Corporation
Naofumi Hirayama
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Portable information terminal
Publication number
20020198652
Publication date
Dec 26, 2002
Pioneer Corporation and Pioneer Design Corporation
Naofumi Hirayama
G01 - MEASURING TESTING
Information
Patent Application
Information communication terminal and method of sorting registered...
Publication number
20020035613
Publication date
Mar 21, 2002
Naofumi Hirayama
G06 - COMPUTING CALCULATING COUNTING
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