Kazutoshi Watanabe

Person

Iwaki, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Input device and keyboard device having illumination function
- Patent number 8,334,794
- Issue date Dec 18, 2012
- Alps Electric Co., Ltd.
- Kazutoshi Watanabe
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Analog input device
- Patent number 7,414,612
- Issue date Aug 19, 2008
- Alps Electric Co., Ltd.
- Hirofumi Niitsuma
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Input device connected to mobile communication terminal with which...
- Patent number 7,107,083
- Issue date Sep 12, 2006
- Alps Electric Co., Ltd.
- Kazutoshi Watanabe
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Keyboard input device to be reliably connected to portable device
- Patent number 6,803,904
- Issue date Oct 12, 2004
- Alps Electric Co., Ltd.
- Shigeru Furuki
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Foldable keyboard input device
- Patent number 6,714,403
- Issue date Mar 30, 2004
- Alps Electric Co., Ltd.
- Shigeru Furuki
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Keyboard apparatus the operation side of which can be illuminated
- Patent number 6,284,988
- Issue date Sep 4, 2001
- Alps Electric Co., Ltd.
- Kazutoshi Watanabe
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Thin keyboard apparatus
- Patent number 6,225,586
- Issue date May 1, 2001
- Alps Electric Co., Ltd.
- Kazutoshi Watanabe
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Keyboard device having plurality of keyswitches
- Patent number 6,152,627
- Issue date Nov 28, 2000
- Alps Electric Co., Ltd.
- Kazutoshi Watanabe
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Thin keyboard
- Patent number 6,087,604
- Issue date Jul 11, 2000
- Alps Electric Co., Ltd.
- Seiichi Suga
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Keyboard device
- Patent number 6,031,189
- Issue date Feb 29, 2000
- Alps Electric Co., Ltd.
- Kazutoshi Watanabe
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Keyboard device
- Patent number 5,967,298
- Issue date Oct 19, 1999
- Alsp Electric Co., Ltd.
- Kazutoshi Watanabe
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Push button switch
- Patent number 5,201,824
- Issue date Apr 13, 1993
- Alps Electric Co., Ltd.
- Takafumi Kato
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Push button switch
- Patent number 5,120,923
- Issue date Jun 9, 1992
- Takafumi Kato
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
INPUT DEVICE AND KEYBOARD DEVICE HAVING ILLUMINATION FUNCTION
- Publication number 20100097246
- Publication date Apr 22, 2010
- Alps Electric Co., Ltd.
- Kazutoshi WATANABE
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Analog input device
- Publication number 20050012730
- Publication date Jan 20, 2005
- Alps Electric Co., Ltd.
- Hirofumi Niitsuma
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
External input unit with ten-key pad connectable to computer main unit
- Publication number 20030112159
- Publication date Jun 19, 2003
- Alps Electric Co., Ltd.
- Kazutoshi Watanabe
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Computer with slidable built-in unit
- Publication number 20030103035
- Publication date Jun 5, 2003
- Alps Electric Co., Ltd.
- Kazutoshi Watanabe
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Keyboard device and charging device for portable electronic device
- Publication number 20030025674
- Publication date Feb 6, 2003
- Kazutoshi Watanabe
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Input device connected to mobile communication terminal with which...
- Publication number 20020173340
- Publication date Nov 21, 2002
- Alps Electric Co., Ltd.
- Kazutoshi Watanabe
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Foldable keyboard input device
- Publication number 20020066651
- Publication date Jun 6, 2002
- Alps Electric Co., Ltd.
- Shigeru Furuki
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Keyboard input device to be reliably connected to portable device
- Publication number 20020050980
- Publication date May 2, 2002
- Alps Electric Co., Ltd.
- Shigeru Furuki
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
THIN KEYBOARD
- Publication number 20010001628
- Publication date May 24, 2001
- KAZUTOSHI WATANABE
- G06 - COMPUTING CALCULATING COUNTING

Kazutoshi Watanabe

Person

Patents Grantslast 30 patents

Input device and keyboard device having illumination function

Analog input device

Input device connected to mobile communication terminal with which...

Keyboard input device to be reliably connected to portable device

Foldable keyboard input device

Keyboard apparatus the operation side of which can be illuminated

Thin keyboard apparatus

Keyboard device having plurality of keyswitches

Thin keyboard

Keyboard device

Keyboard device

Push button switch

Push button switch

Patents Applicationslast 30 patents

INPUT DEVICE AND KEYBOARD DEVICE HAVING ILLUMINATION FUNCTION

Analog input device

External input unit with ten-key pad connectable to computer main unit

Computer with slidable built-in unit

Keyboard device and charging device for portable electronic device

Input device connected to mobile communication terminal with which...

Foldable keyboard input device

Keyboard input device to be reliably connected to portable device

THIN KEYBOARD