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Makoto Mori
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Yokohama, JP
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Patents Grants
last 30 patents
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
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
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
Packet communication method and packet communication apparatus
Patent number
5,467,346
Issue date
Nov 14, 1995
Hitachi, Ltd.
Yutaka Ito
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Packet communiction method and packet communication apparatus
Patent number
5,386,415
Issue date
Jan 31, 1995
Hitachi, Ltd.
Yutaka Ito
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Signalling apparatus for use in an ATM switching system
Patent number
5,303,236
Issue date
Apr 12, 1994
Hitachi, Ltd.
Masao Kunimoto
G06 - COMPUTING CALCULATING COUNTING
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
Signalling apparatus for use in an ATM switching system
Patent number
5,101,404
Issue date
Mar 31, 1992
Hitachi, Ltd.
Masao Kunimoto
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
ATM switching system
Patent number
4,956,839
Issue date
Sep 11, 1990
Hitachi, Ltd.
Yutaka Torii
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Switching system and method of construction thereof
Patent number
4,910,731
Issue date
Mar 20, 1990
Hitachi, Ltd.
Yoshito Sakurai
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Protection circuit for an output transistor
Patent number
4,538,198
Issue date
Aug 27, 1985
Tokyo Shibaura Denki Kabushiki Kaisha
Kazuo Imanishi
H03 - BASIC ELECTRONIC CIRCUITRY
Patents Applications
last 30 patents
Information
Patent Application
ATM cell switching system
Publication number
20030123440
Publication date
Jul 3, 2003
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