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Katsuji Kaminishi
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Sendai-shi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
System for and method of interconnecting high-frequency transmissio...
Patent number
6,980,068
Issue date
Dec 27, 2005
Ryowa Electronics Co., Ltd.
Yasunori Miyazawa
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Magnetic sensor, side-opened TEM cell, and apparatus using such mag...
Patent number
6,856,131
Issue date
Feb 15, 2005
Ryowa Electronics Co., Ltd.
Yasunori Miyazawa
G01 - MEASURING TESTING
Information
Patent Grant
LED driving circuit and optical transmitting module
Patent number
6,724,376
Issue date
Apr 20, 2004
Kabushiki Kaisha Toshiba
Shigeyuki Sakura
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Light-emitting diode driving circuit and optical transmission modul...
Patent number
6,690,340
Issue date
Feb 10, 2004
Kabushiki Kaisha Toshiba
Shigeyuki Sakura
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Temperature dependent constant-current generating circuit
Patent number
6,683,490
Issue date
Jan 27, 2004
Kabushiki Kaisha Toshiba
Katsuji Kaminishi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Optical semiconductor diode driver circuit and optical tranceiver m...
Patent number
6,618,406
Issue date
Sep 9, 2003
Kabushiki Kaisha Toshiba
Katsuji Kaminishi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Temperature dependent constant-current generating circuit and light...
Patent number
6,037,832
Issue date
Mar 14, 2000
Kabushiki Kaisha Toshiba
Katsuji Kaminishi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Peak hold circuit including a constant voltage generator
Patent number
5,986,481
Issue date
Nov 16, 1999
Kabushiki Kaisha Toshiba
Katsuji Kaminishi
G11 - INFORMATION STORAGE
Information
Patent Grant
Array device having functional circuit for a plurality of channels
Patent number
5,883,546
Issue date
Mar 16, 1999
Kabushiki Kaisha Toshiba
Katsuji Kaminishi
G05 - CONTROLLING REGULATING
Information
Patent Grant
Receiver and transceiver for a digital signal of an arbitrary pattern
Patent number
5,777,507
Issue date
Jul 7, 1998
Kabushiki Kaisha Toshiba
Katsuji Kaminishi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical interconnection suitable for highly parallel computer system
Patent number
5,488,735
Issue date
Jan 30, 1996
Kabushiki Kaisha Toshiba
Noboru Tanabe
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical transmission apparatus
Patent number
5,444,561
Issue date
Aug 22, 1995
Kabushiki Kaisha Toshiba
Katsuji Kaminishi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical interconnection device
Patent number
5,434,426
Issue date
Jul 18, 1995
Kabushiki Kaisha Toshiba
Hideto Furuyama
G02 - OPTICS
Patents Applications
last 30 patents
Information
Patent Application
Magnetic sensor, side-opened tem cell, and apparatus using such mag...
Publication number
20040021463
Publication date
Feb 5, 2004
RYOWA ELECTRONICS CO., LTD.
Yasunori Miyazawa
G01 - MEASURING TESTING
Information
Patent Application
System for and method of interconnecting high-frequency transmissio...
Publication number
20030164244
Publication date
Sep 4, 2003
RYOWA ELECTRONICS CO., LTD.
Yasunori Miyazawa
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Application
Light-emitting diode driving circuit and optical transmission modul...
Publication number
20020036630
Publication date
Mar 28, 2002
Kabushiki Kaisha Toshiba
Shigeyuki Sakura
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Led driving circuit and optical transmitting module
Publication number
20010043093
Publication date
Nov 22, 2001
Shigeyuki Sakura
H04 - ELECTRIC COMMUNICATION TECHNIQUE