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Sadakazu Shiga
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Fukushima-ken, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Computer power supply startup apparatus
Patent number
6,963,984
Issue date
Nov 8, 2005
Alps Electric Co., Ltd.
Sadakazu Shiga
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Intermittent operating type pointing device
Patent number
6,847,031
Issue date
Jan 25, 2005
Alps Electric Co., Ltd.
Sadakazu Shiga
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
USB apparatus that turns on computer power supply using signals sub...
Patent number
6,625,738
Issue date
Sep 23, 2003
Alps Electric Co., Ltd.
Sadakazu Shiga
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Wireless keyboard
Patent number
6,522,283
Issue date
Feb 18, 2003
Alps Electric Co., Ltd.
Sadakazu Shiga
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Optical detecting apparatus and coordinate inputting apparatus usin...
Patent number
6,201,605
Issue date
Mar 13, 2001
Alps Electric Co., Ltd.
Sadakazu Shiga
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Signal processing system
Patent number
6,144,369
Issue date
Nov 7, 2000
Alps Electric Co., Ltd.
Sadakazu Shiga
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Printed wiring board with grounding lines arranged between wiring l...
Patent number
6,072,126
Issue date
Jun 6, 2000
Alps Electronics Co., Ltd.
Sadakazu Shiga
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Keyboard with power saving function and data storage capabilities
Patent number
6,072,472
Issue date
Jun 6, 2000
Alps Electric Co., Ltd.
Sadakazu Shiga
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Signal processing system for transmission of data between a keyboar...
Patent number
5,907,718
Issue date
May 25, 1999
Alps Electric Co., Ltd.
Sadakazu Shiga
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Operation inputting apparatus
Patent number
5,877,749
Issue date
Mar 2, 1999
Alps Electric Co., Ltd.
Sadakazu Shiga
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Keyboard
Patent number
5,859,599
Issue date
Jan 12, 1999
Alps Electric Co., Ltd.
Sadakazu Shiga
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Operation inputting apparatus
Patent number
5,680,154
Issue date
Oct 21, 1997
Alps Electric Co., Ltd.
Sadakazu Shiga
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Operational input apparatus
Patent number
5,570,110
Issue date
Oct 29, 1996
Alps Electric Co., Ltd.
Sadakazu Shiga
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
N-key rollover circuit
Patent number
5,448,236
Issue date
Sep 5, 1995
Alps Electric Co., Ltd.
Sadakazu Shiga
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Key output method for keyboards
Patent number
4,922,248
Issue date
May 1, 1990
Alps Electric Co., Ltd.
Sadakazu Shiga
H03 - BASIC ELECTRONIC CIRCUITRY
Patents Applications
last 30 patents
Information
Patent Application
TOUCH PAD WITH ANTENNA
Publication number
20140362038
Publication date
Dec 11, 2014
Alps Electric Co., Ltd.
Takahiro MURAKAMI
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
INPUT PROCESSING DEVICE
Publication number
20100271301
Publication date
Oct 28, 2010
Alps Electric Co., Ltd.
Kazuhito OHSHITA
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
INPUT DEVICE
Publication number
20100259495
Publication date
Oct 14, 2010
Alps Electric Co., Ltd.
Hiroshi Shigetaka
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
INPUT DEVICE
Publication number
20090211818
Publication date
Aug 27, 2009
Takashi Kondo
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Intermittent operating type pointing device
Publication number
20030112222
Publication date
Jun 19, 2003
Alps Electric Co., Ltd.
Sadakazu Shiga
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Computer power supply startup apparatus
Publication number
20010009027
Publication date
Jul 19, 2001
Alps Electric Co., Ltd.
Sadakazu Shiga
G06 - COMPUTING CALCULATING COUNTING