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Masanobu KOBAYASHI
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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Network system and management server
Patent number
9,992,136
Issue date
Jun 5, 2018
Hitachi, Ltd.
Masayuki Takase
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Passive optical network (PON) system
Patent number
8,331,400
Issue date
Dec 11, 2012
Hitachi, Ltd.
Masahiko Mizutani
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Communication system using passive optical network and passive opti...
Patent number
8,160,448
Issue date
Apr 17, 2012
Hitachi, Ltd.
Munetoshi Tsuge
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Communication system using passive optical network and passive opti...
Patent number
8,160,447
Issue date
Apr 17, 2012
Hitachi, Ltd.
Munetoshi Tsuge
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
PON system and optical network unit
Patent number
7,962,037
Issue date
Jun 14, 2011
Hitachi, Ltd.
Masahiko Mizutani
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Passive optical network (PON) system
Patent number
7,675,936
Issue date
Mar 9, 2010
Hitachi, Ltd.
Masahiko Mizutani
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
PON system and optical network unit
Patent number
7,630,637
Issue date
Dec 8, 2009
Hitachi Communication Technologies, Ltd.
Masahiko Mizutani
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Shaping apparatus, communication node and flow control method for c...
Patent number
7,616,567
Issue date
Nov 10, 2009
Hitachi Communication Technologies, Ltd.
Taishi Shinagawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
ATM communication apparatus and ATM cell forwarding control method
Patent number
6,987,733
Issue date
Jan 17, 2006
Hitachi, Ltd.
Hiroyuki Mukouyama
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Giant magnetoresistive information recording medium, and associated...
Patent number
5,844,755
Issue date
Dec 1, 1998
Oki Electric Industry Co., Ltd.
Haruki Yamane
G11 - INFORMATION STORAGE
Information
Patent Grant
High-speed, low-current magnetoresistive memory device
Patent number
5,825,685
Issue date
Oct 20, 1998
Oki Electric Industry Co., Ltd.
Haruki Yamane
G11 - INFORMATION STORAGE
Information
Patent Grant
High-speed, low-current magnetoresistive memory device
Patent number
5,745,406
Issue date
Apr 28, 1998
Oki Electric Industry Co., Ltd.
Haruki Yamane
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic recording medium method and apparatus for fabricating same
Patent number
5,604,030
Issue date
Feb 18, 1997
Oki Electric Industry Co., Ltd.
Haruki Yamane
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic recording apparatus and magnetic recording medium with a f...
Patent number
5,289,202
Issue date
Feb 22, 1994
Oki Electric Industry Co., Ltd.
Haruki Yamane
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Magneto-optical recording medium having a reflective film of Ag and...
Patent number
5,040,166
Issue date
Aug 13, 1991
Oki Electric Industry Co., Ltd.
Masanobu Kobayashi
G11 - INFORMATION STORAGE
Information
Patent Grant
Magneto-optical recording medium having protective film with increa...
Patent number
5,009,762
Issue date
Apr 23, 1991
Oki Electric Industry Co., Ltd.
Yoshinori Maeno
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Magneto-optical recording medium having protective film with increa...
Patent number
4,950,547
Issue date
Aug 21, 1990
Oki Electric Industry Co., Ltd.
Yoshinori Maeno
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Patents Applications
last 30 patents
Information
Patent Application
NETWORK SYSTEM AND MANAGEMENT SERVER
Publication number
20160006675
Publication date
Jan 7, 2016
Hitachi, Ltd
Masayuki TAKASE
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
COMMUNICATION APPARATUS, COMMUNICATION METHOD, AND RECORDING MEDIUM
Publication number
20150146649
Publication date
May 28, 2015
Hitachi, Ltd
Taisuke UETA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Passive optical network (PON) system
Publication number
20100150554
Publication date
Jun 17, 2010
Hitachi, Ltd.
Masahiko Mizutani
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
PON SYSTEM AND OPTICAL NETWORK UNIT
Publication number
20100067910
Publication date
Mar 18, 2010
Hitachi Communication Technologies, Ltd.
Masahiko Mizutani
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Communication System Using Passive Optical Network and Passive Opti...
Publication number
20090232498
Publication date
Sep 17, 2009
Munetoshi Tsuge
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Communication System Using Passive Optical Network and Passive Opti...
Publication number
20090103918
Publication date
Apr 23, 2009
Munetoshi Tsuge
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
PON system and Optical Network Unit
Publication number
20070264017
Publication date
Nov 15, 2007
Masahiko Mizutani
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Passive optical network (PON) system
Publication number
20070223490
Publication date
Sep 27, 2007
Hitachi Communication Technologies, Ltd.
Masahiko Mizutani
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Shaping apparatus, communication node and flow control method for c...
Publication number
20050259578
Publication date
Nov 24, 2005
Hitachi Communication Technologies, Ltd.
Taishi Shinagawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
ATM communication apparatus and ATM cell forwarding control method
Publication number
20040202169
Publication date
Oct 14, 2004
Hiroyuki Mukouyama
H04 - ELECTRIC COMMUNICATION TECHNIQUE