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Ome, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Optical receiver using variable negative-capacitance circuit
Patent number
6,785,477
Issue date
Aug 31, 2004
Hitachi, Ltd.
Toru Masuda
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Bipolar transistor and manufacturing method thereof
Patent number
6,521,974
Issue date
Feb 18, 2003
Hitachi, Ltd.
Katsuya Oda
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Bipolar transistor and manufacting method thereof
Patent number
6,482,710
Issue date
Nov 19, 2002
Hitachi, Ltd.
Katsuya Oda
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Heterojunction bipolar transistor
Patent number
5,962,880
Issue date
Oct 5, 1999
Hitachi, Ltd.
Katsuya Oda
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
Information
Patent Application
Transmitter and a signal generator in optical transmission systems
Publication number
20040213580
Publication date
Oct 28, 2004
Hitachi, Ltd.
Toru Masuda
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Bipolar transistor and manufacturing method thereof
Publication number
20010017399
Publication date
Aug 30, 2001
Katsuya Oda
H01 - BASIC ELECTRIC ELEMENTS