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Tetsuya Nakagawa
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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Multi-CPU system and multi-CPU system scaling method
Patent number
9,996,400
Issue date
Jun 12, 2018
Renesas Electronics Corporation
Tetsuya Nakagawa
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Semiconductor device and voice communication device
Patent number
9,431,022
Issue date
Aug 30, 2016
Renesas Electronics Corporation
Michi Kumagai
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Method, system, apparatus, and computer program product for user au...
Patent number
8,625,761
Issue date
Jan 7, 2014
Nippon Telegraph and Telephone Corporation
Haruhiko Fujii
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Terminal apparatus
Patent number
8,090,398
Issue date
Jan 3, 2012
Renesas Electronics Corporation
Tetsuya Nakagawa
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Microprocessor and mobile communication terminal
Patent number
7,447,521
Issue date
Nov 4, 2008
Renesas Technology Corp.
Tetsuya Nakagawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Radio communication semiconductor integrated circuit, data processi...
Patent number
7,444,168
Issue date
Oct 28, 2008
Renesas Technology Corp.
Tetsuya Nakagawa
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Microprocessor and mobile communication terminal
Patent number
7,251,500
Issue date
Jul 31, 2007
Renesas Technology Corp.
Tetsuya Nakagawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Semiconductor device
Patent number
7,003,024
Issue date
Feb 21, 2006
Hitachi, Ltd.
Eiji Kubo
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Terminal apparatus
Patent number
6,993,597
Issue date
Jan 31, 2006
Renesas Technology Corp.
Tetsuya Nakagawa
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Apparatus has a microprocessor including DSP and a CPU integrated w...
Patent number
6,643,713
Issue date
Nov 4, 2003
Hitachi, Ltd.
Tetsuya Nakagawa
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Terminal
Patent number
6,353,863
Issue date
Mar 5, 2002
Hitachi, Ltd.
Tetsuya Nakagawa
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Microcomputer having data execution units mounted thereon
Patent number
6,304,958
Issue date
Oct 16, 2001
Hitachi, Ltd.
Atsushi Kiuchi
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Data processing device having accelerator for digital signal proces...
Patent number
5,987,556
Issue date
Nov 16, 1999
Hitachi, Ltd.
Tetsuya Nakagawa
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Semiconductor IC with a plurality of processing circuits which rece...
Patent number
5,854,636
Issue date
Dec 29, 1998
Hitachi, Ltd.
Takao Watanabe
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Electronic interpreter utilizing linked sets of sentences
Patent number
5,854,997
Issue date
Dec 29, 1998
Hitachi, Ltd.
Hiroko Sukeda
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Digital signal processor and method for executing DSP and RISC clas...
Patent number
5,638,524
Issue date
Jun 10, 1997
Hitachi America, Ltd.
Atsushi Kiuchi
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
System with loop buffer and repeat control circuit having stack for...
Patent number
5,579,493
Issue date
Nov 26, 1996
Hitachi, Ltd.
Atsushi Kiuchi
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Parallel processor having decoder for selecting switch from the gro...
Patent number
5,535,410
Issue date
Jul 9, 1996
Hitachi, Ltd.
Takao Watanabe
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Multi-processor system and co-processor used for the same
Patent number
5,430,885
Issue date
Jul 4, 1995
Hitachi, Ltd.
Kenji Kaneko
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Double precision division circuit and method for digital signal pro...
Patent number
5,426,600
Issue date
Jun 20, 1995
Hitachi America, Ltd.
Tetsuya Nakagawa
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Logic circuit and data processing apparatus using the same
Patent number
5,148,387
Issue date
Sep 15, 1992
Hitachi, Ltd.
Kazuo Yano
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Multimedia bidirectional broadcast system
Patent number
5,027,400
Issue date
Jun 25, 1991
Hitachi Ltd.
Toru Baji
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
Single chip processor
Patent number
4,958,276
Issue date
Sep 18, 1990
Hitachi, Ltd.
Atsushi Kiuchi
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Selecting means for selecting a plurality of information
Patent number
4,910,466
Issue date
Mar 20, 1990
Hitachi Microcomputer Engineering Ltd.
Atsushi Kiuchi
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Information processing apparatus
Patent number
4,809,206
Issue date
Feb 28, 1989
Hitachi Ltd.
Atsushi Kiuchi
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
High-speed multiplier having carry-save adder circuit
Patent number
4,752,905
Issue date
Jun 21, 1988
Hitachi, Ltd.
Tetsuya Nakagawa
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
LSI system of a structure requiring no additional address signals t...
Patent number
4,745,581
Issue date
May 17, 1988
Hitachi, Ltd.
Tomoru Sato
G06 - COMPUTING CALCULATING COUNTING
Patents Applications
last 30 patents
Information
Patent Application
SEMICONDUCTOR DEVICE AND VOICE COMMUNICATION DEVICE
Publication number
20130211831
Publication date
Aug 15, 2013
RENESAS ELECTRONICS CORPORATION
Michi Kumagai
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Application
USER AUTHENTICATING METHOD, USER AUTHENTICATING SYSTEM, USER AUTHEN...
Publication number
20090304162
Publication date
Dec 10, 2009
Nippon Telegraph and Telephone Corporation
Haruhiko Fujii
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
TERMINAL APPARATUS
Publication number
20080207158
Publication date
Aug 28, 2008
Tetsuya Nakagawa
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Microprocessor and mobile communication terminal
Publication number
20070255973
Publication date
Nov 1, 2007
Tetsuya Nakagawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Terminal apparatus
Publication number
20060085563
Publication date
Apr 20, 2006
Tetsuya Nakagawa
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Radio communication semiconductor integrated circuit, data processi...
Publication number
20050094530
Publication date
May 5, 2005
Tetsuya Nakagawa
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
Microprocessor and mobile communication terminal
Publication number
20050012811
Publication date
Jan 20, 2005
RENESAS TECHNOLOGY CORP.
Tetsuya Nakagawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Terminal apparatus
Publication number
20040049606
Publication date
Mar 11, 2004
Tetsuya Nakagawa
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Semiconductor device
Publication number
20020073300
Publication date
Jun 13, 2002
Eiji Kubo
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Terminal apparatus
Publication number
20020056014
Publication date
May 9, 2002
Tetsuya Nakagawa
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
System for transferring data of reusing a plurality of data transfe...
Publication number
20020026551
Publication date
Feb 28, 2002
Haruo Kamimaki
G06 - COMPUTING CALCULATING COUNTING