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Masahiko Osaka
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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Cellular phone
Patent number
8,301,201
Issue date
Oct 30, 2012
NEC Corporation
Masahiko Osaka
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Desktop holder and portable terminal system
Patent number
7,426,595
Issue date
Sep 16, 2008
NEC Corporation
Masahiko Osaka
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Radio receiver for displaying input level and display method thereof
Patent number
6,792,253
Issue date
Sep 14, 2004
NEC Corporation
Masahiko Osaka
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Encapsulant of epoxy resin and liquid aromatic amine curing agent
Patent number
6,632,881
Issue date
Oct 14, 2003
Hitachi Chemical Co., Ltd.
Satoru Tsuchida
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Epoxy resin composition for sealing photo-semiconductor element and...
Patent number
5,985,954
Issue date
Nov 16, 1999
Htiachi Chemical Company, Ltd.
Satoru Tsuchida
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
PLL frequency synthesizer employing plural control frequencies to m...
Patent number
5,661,440
Issue date
Aug 26, 1997
NEC Corporation
Masahiko Osaka
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Epoxy resin composition for sealing photosemiconductor element and...
Patent number
5,641,840
Issue date
Jun 24, 1997
Hitachi Chemical Company, Ltd.
Satoru Tsuchida
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Portable radio apparatus having batteries for supplying a plurality...
Patent number
5,628,054
Issue date
May 6, 1997
NEC Corporation
Masahiko Osaka
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Quadrature modulation circuit for use in a radio transmitter
Patent number
5,434,887
Issue date
Jul 18, 1995
NEC Corporation
Masahiko Osaka
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Quadrature modulation circuit
Patent number
5,319,675
Issue date
Jun 7, 1994
NEC Corporation
Masahiko Osaka
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
COMPOUND AND TABLET
Publication number
20200385566
Publication date
Dec 10, 2020
Hitachi Chemical Company, Ltd.
Kazumasa TAKEUCHI
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
CELLULAR PHONE
Publication number
20110237300
Publication date
Sep 29, 2011
Masahiko Osaka
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Desktop holder and portable terminal system
Publication number
20050201049
Publication date
Sep 15, 2005
NEC Corporation
Masahiko Osaka
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Radio receiver for displaying input level and display method thereof
Publication number
20010012763
Publication date
Aug 9, 2001
NEC Corporation
Masahiko Osaka
H04 - ELECTRIC COMMUNICATION TECHNIQUE