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Takao Kato
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Kawasaki, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Packet switching system having self-routing switches
Patent number
7,058,062
Issue date
Jun 6, 2006
Hitachi, Ltd.
Shirou Tanabe
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Program, recording medium, rendering method and rendering apparatus
Patent number
6,894,688
Issue date
May 17, 2005
Koei Co., Ltd.
Jumpei Tsuda
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Printing device control apparatus and method
Patent number
6,760,118
Issue date
Jul 6, 2004
Canon Kabushiki Kaisha
Takao Kato
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Printing device control apparatus and method
Patent number
6,760,120
Issue date
Jul 6, 2004
Canon Kabushiki Kaisha
Takao Kato
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
ATM cell switching system
Patent number
6,728,242
Issue date
Apr 27, 2004
Hitachi, Ltd.
Yoshito Sakurai
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Distributed type switching system
Patent number
6,639,920
Issue date
Oct 28, 2003
Hitachi, Ltd.
Yoshito Sakurai
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Packet switching system having-having self-routing switches
Patent number
6,618,372
Issue date
Sep 9, 2003
Hitachi, Ltd.
Shirou Tanabe
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
ATM cell switching system
Patent number
6,546,011
Issue date
Apr 8, 2003
Hitachi, Ltd.
Yoshito Sakurai
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
ATM cell switching system
Patent number
6,445,703
Issue date
Sep 3, 2002
Hitachi, Ltd.
Yoshito Sakurai
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Distributed type switching system
Patent number
6,389,025
Issue date
May 14, 2002
Hitachi, Ltd.
Yoshito Sakurai
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Distributed type switching system
Patent number
6,335,934
Issue date
Jan 1, 2002
Hitachi, Ltd.
Yoshito Sakurai
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Packet switching system having self-routing switches
Patent number
6,314,096
Issue date
Nov 6, 2001
Hitachi, Ltd.
Shirou Tanabe
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Distributed type switching system
Patent number
6,304,570
Issue date
Oct 16, 2001
Hitachi, Ltd.
Yoshito Sakurai
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
ATM cell switching system
Patent number
6,285,675
Issue date
Sep 4, 2001
Hitachi, Ltd.
Yoshito Sakurai
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
ATM cell switching system
Patent number
6,215,788
Issue date
Apr 10, 2001
Hitachi, Ltd.
Yoshito Sakurai
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
ATM cell switching system
Patent number
6,016,317
Issue date
Jan 18, 2000
Hitachi, Ltd.
Yoshito Sakurai
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Time-division channel arrangement
Patent number
6,005,867
Issue date
Dec 21, 1999
Hitachi, Ltd.
Shirou Tanabe
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Packet switching system having self-routing switches
Patent number
5,999,537
Issue date
Dec 7, 1999
Hitachi, Ltd.
Shirou Tanabe
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Distributed type switching system
Patent number
5,995,510
Issue date
Nov 30, 1999
Hitachi, Ltd.
Yoshito Sakurai
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Printing device control apparatus and method
Patent number
5,978,557
Issue date
Nov 2, 1999
Canon Kabushiki Kaisha
Takao Kato
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Apparatus for monitoring and controlling autonomous switching of tr...
Patent number
5,745,495
Issue date
Apr 28, 1998
Hitachi, Ltd.
Yoshito Sakurai
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Packet switching system having self-routing switches
Patent number
5,740,156
Issue date
Apr 14, 1998
Hitachi, Ltd.
Shirou Tanabe
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Distributed type switching system
Patent number
5,734,655
Issue date
Mar 31, 1998
Hitachi, Ltd.
Yoshito Sakurai
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Distributed switching system having at least one module
Patent number
5,513,177
Issue date
Apr 30, 1996
Hitachi, Ltd.
Yoshito Sakurai
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Dynamic address translation allowing quick update of the change bit
Patent number
5,497,469
Issue date
Mar 5, 1996
Fujitsu Limited
Hideki Sakata
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Instructing method and execution system for instructions including...
Patent number
5,442,762
Issue date
Aug 15, 1995
Fujitsu Limited
Takao Kato
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Pixel density converting apparatus
Patent number
5,351,137
Issue date
Sep 27, 1994
Canon Kabushiki Kaisha
Masami Kato
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Pixel density conversion and processing
Patent number
5,289,293
Issue date
Feb 22, 1994
Canon Kabushiki Kaisha
Masami Kato
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Switching system and method of construction thereof
Patent number
RE34305
Issue date
Jul 6, 1993
Hitachi, Ltd.
Yoshito Sakurai
370 - Multiplex communications
Information
Patent Grant
Time-division channel arrangement
Patent number
5,043,979
Issue date
Aug 27, 1991
Hitachi, Ltd.
Yoshito Sakurai
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
Program, recording medium, rendering method and rendering apparatus
Publication number
20040021661
Publication date
Feb 5, 2004
Jumpei Tsuda
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
ATM cell switching system
Publication number
20030123440
Publication date
Jul 3, 2003
Yoshito Sakurai
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
DISTRIBUTED TYPE SWITCHING SYSTEM
Publication number
20020126649
Publication date
Sep 12, 2002
Yoshito Sakurai
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Packet switching system having self-routing switches
Publication number
20020057696
Publication date
May 16, 2002
Shirou Tanabe
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Printing device control apparatus and method
Publication number
20020051176
Publication date
May 2, 2002
Takao Kato
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Distributed type switching system
Publication number
20010028658
Publication date
Oct 11, 2001
Yoshito Sakurai
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
ATM cell switching system
Publication number
20010028652
Publication date
Oct 11, 2001
Yoshito Sakurai
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
ATM cell switching system
Publication number
20010005386
Publication date
Jun 28, 2001
Yoshito Sakurai
H04 - ELECTRIC COMMUNICATION TECHNIQUE