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Takuo Mukai
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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Method and apparatus for mobile phone using semiconductor device ca...
Patent number
7,437,298
Issue date
Oct 14, 2008
Ricoh Company, Ltd.
Takuo Mukai
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Audio apparatus for processing voice and audio signals
Patent number
7,154,419
Issue date
Dec 26, 2006
Ricoh Company, Ltd.
Takuo Mukai
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Level shift circuit
Patent number
6,806,757
Issue date
Oct 19, 2004
Ricoh Company, Ltd.
Takuo Mukai
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Digital color encoder having sampling frequency converter
Patent number
6,052,156
Issue date
Apr 18, 2000
Ricoh Company, Ltd.
Takuo Mukai
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Digital color encoder with improved circuitry
Patent number
5,638,135
Issue date
Jun 10, 1997
Ricoh Company, Ltd.
Takuo Mukai
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Still picture display apparatus and external storage device used th...
Patent number
5,495,266
Issue date
Feb 27, 1996
Nintendo Co., Ltd.
Masahiro Otake
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
Mosaic picture display and external storage unit used therefor
Patent number
5,400,052
Issue date
Mar 21, 1995
Nintendo Co., Ltd.
Masahiro Otake
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
Still picture display apparatus and external storage device used th...
Patent number
5,337,069
Issue date
Aug 9, 1994
Nintendo Co., Ltd.
Masahiro Otake
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Patents Applications
last 30 patents
Information
Patent Application
Method and apparatus for mobile phone using semiconductor device ca...
Publication number
20040192192
Publication date
Sep 30, 2004
Takuo Mukai
H04 - ELECTRIC COMMUNICATION TECHNIQUE