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Shigetoshi Wakayama
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Kawasaki, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Support program, design support system, and design support method
Patent number
8,468,481
Issue date
Jun 18, 2013
Fujitsu Semiconductor Limited
Toshiharu Nozawa
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Phase interpolator for a timing signal generating circuit
Patent number
8,065,553
Issue date
Nov 22, 2011
Fujitsu Limited
Hirotaka Tamura
G11 - INFORMATION STORAGE
Information
Patent Grant
Semiconductor device having a guard ring
Patent number
7,642,624
Issue date
Jan 5, 2010
Fujitsu Microelectronics Limited
Shigetoshi Wakayama
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Timing signal generating circuit with a master circuit and slave ci...
Patent number
7,496,781
Issue date
Feb 24, 2009
Fujitsu, Ltd.
Hirotaka Tamura
G11 - INFORMATION STORAGE
Information
Patent Grant
Semiconductor device including capacitor having decoupling capacity
Patent number
7,342,434
Issue date
Mar 11, 2008
Fujitsu Limited
Shigetoshi Wakayama
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Semiconductor device having a guard ring
Patent number
7,256,474
Issue date
Aug 14, 2007
Fujitsu Limited
Shigetoshi Wakayama
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor integrated circuit and evaluation method of wiring in...
Patent number
7,106,108
Issue date
Sep 12, 2006
Fujitsu Limited
Mitsuaki Igeta
G01 - MEASURING TESTING
Information
Patent Grant
Data transfer circuit between different clock regions
Patent number
7,096,375
Issue date
Aug 22, 2006
Fujitsu Limited
Shigetoshi Wakayama
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
SIGNAL TRANSMISSION SYSTEM FOR TRANSMITTING SIGNALS BETWEEN LSI CHI...
Patent number
6,493,394
Issue date
Dec 10, 2002
Fujitsu Limited
Hirotaka Tamura
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Signal transmission system having a timing adjustment circuit
Patent number
6,484,268
Issue date
Nov 19, 2002
Fujitsu Limited
Hirotaka Tamura
G11 - INFORMATION STORAGE
Information
Patent Grant
SIGNAL TRANSMISSION SYSTEM FOR TRANSMITTING SIGNALS BETWEEN LSI CHI...
Patent number
6,377,638
Issue date
Apr 23, 2002
Fujitsu Limited
Hirotaka Tamura
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Destructive read type memory circuit, restoring circuit for the sam...
Patent number
6,333,883
Issue date
Dec 25, 2001
Fujitsu Limited
Shigetoshi Wakayama
G11 - INFORMATION STORAGE
Information
Patent Grant
Timing signal generating circuit, semiconductor integrated circuit...
Patent number
6,247,138
Issue date
Jun 12, 2001
Fujitsu Limited
Hirotaka Tamura
G11 - INFORMATION STORAGE
Information
Patent Grant
Logical circuit, flip-flop circuit and storage circuit with multiva...
Patent number
6,218,713
Issue date
Apr 17, 2001
Fujitsu Limited
Shigetoshi Wakayama
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Destructive read type memory circuit, restoring circuit for the sam...
Patent number
6,205,076
Issue date
Mar 20, 2001
Fujitsu Limited
Shigetoshi Wakayama
G11 - INFORMATION STORAGE
Information
Patent Grant
Signal transmission system for transmitting signals between LSI chi...
Patent number
6,157,688
Issue date
Dec 5, 2000
Fujitsu Limited
Hirotaka Tamura
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Phase-locked loop circuit permitting reduction of circuit size
Patent number
6,064,244
Issue date
May 16, 2000
Fujitsu Limited
Shigetoshi Wakayama
G11 - INFORMATION STORAGE
Patents Applications
last 30 patents
Information
Patent Application
DESIGN SUPPORT PROGRAM, DESIGN SUPPORT SYSTEM, AND DESIGN SUPPORT M...
Publication number
20110041113
Publication date
Feb 17, 2011
FUJITSU SEMICONDUCTOR LIMITED
Toshiharu NOZAWA
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Timing Signal Generating Circuit, Semiconductor Integrated Circuit...
Publication number
20090195281
Publication date
Aug 6, 2009
FUJITSU LIMITED
Hirotaka Tamura
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Semiconductor device having a guard ring
Publication number
20070257371
Publication date
Nov 8, 2007
FUJITSU LIMITED
Shigetoshi Wakayama
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Semiconductor device
Publication number
20060061409
Publication date
Mar 23, 2006
FUJITSU LIMITED
Shigetoshi Wakayama
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
Semiconductor integrated circuit and evaluation method of wiring in...
Publication number
20050144546
Publication date
Jun 30, 2005
FUJITSU LIMITED
Mitsuaki Igeta
G01 - MEASURING TESTING
Information
Patent Application
Semiconductor device having a guard ring
Publication number
20040188843
Publication date
Sep 30, 2004
FUJITSU LIMITED
Shigetoshi Wakayama
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Data transfer circuit between different clock regions
Publication number
20030112051
Publication date
Jun 19, 2003
Shigetoshi Wakayama
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Signal transmission system for transmitting signals between LSI chi...
Publication number
20020080883
Publication date
Jun 27, 2002
FUJITSU LIMITED
Hirotaka Tamura
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Timing signal generating circuit, semiconductor integrated circuit...
Publication number
20010007136
Publication date
Jul 5, 2001
FUJITSU LIMITED
Hirotaka Tamura
G11 - INFORMATION STORAGE
Information
Patent Application
Destructive read type memory circuit, restoring circuit for the sam...
Publication number
20010002178
Publication date
May 31, 2001
FUJITSU LIMITED
Shigetoshi Wakayama
G11 - INFORMATION STORAGE