Membership
Tour
Register
Log in
Mitsumasa Kako
Follow
Person
Tokai-shi, JP
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Key switch operating mechanism assembly for electronic portable device
Patent number
6,812,420
Issue date
Nov 2, 2004
Brother Kogyo Kabushiki Kaisha
Mitsumasa Kako
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Key switch device, keyboard and electronic apparatus with key switch
Patent number
6,753,793
Issue date
Jun 22, 2004
Brother Kogyo Kabushiki Kaisha
Mitsumasa Kako
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Key top guided by scissors linkage located in mounting member with...
Patent number
6,417,470
Issue date
Jul 9, 2002
Brother Kogyo Kabushiki Kaisha
Mitsumasa Kako
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Key switch device and portable key electronic device provided with...
Patent number
6,288,457
Issue date
Sep 11, 2001
Brother Kogyo Kabushiki Kaisha
Mitsumasa Kako
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Tape printing apparatus capable of inputting and printing graphics
Patent number
5,772,342
Issue date
Jun 30, 1998
Brother Kogyo Kabushiki Kaisha
Yoshijiro Yamamoto
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Compact data input device having transparent touch panel
Patent number
5,706,030
Issue date
Jan 6, 1998
Brother Kogyo Kabushiki Kaisha
Michifumi Ishigami
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Method and apparatus for inputting, displaying and printing images
Patent number
5,657,434
Issue date
Aug 12, 1997
Brother Kogyo Kabushiki Kaisha
Yoshijiro Yamamoto
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Key switch device
Patent number
5,504,283
Issue date
Apr 2, 1996
Brother Kogyo Kabushiki Kaisha
Mitsumasa Kako
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Elastic member support structure
Patent number
5,400,168
Issue date
Mar 21, 1995
Brother Kogyo Kabushiki Kaisha
Mitsumasa Kako
G02 - OPTICS
Information
Patent Grant
Printing system with a function of printing on labels
Patent number
5,122,004
Issue date
Jun 16, 1992
Brother Kogyo Kabushiki Kaisha
Fumihiro Yamada
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Printing system
Patent number
5,069,564
Issue date
Dec 3, 1991
Brother Kogyo Kabushiki Kaisha
Mitsumasa Kako
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Printed circuit board
Patent number
4,803,315
Issue date
Feb 7, 1989
Brother Kogyo Kabushiki Kaisha
Mitsumasa Kako
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Keyboard having lower casing with integral upraised portion for sup...
Patent number
4,760,217
Issue date
Jul 26, 1988
Brother Kogyo Kabushiki Kaisha
Makoto Suzuki
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Capacitance switching device for keyboard
Patent number
4,736,076
Issue date
Apr 5, 1988
Brother Kogyo Kabushiki Kaisha
Isao Mochizuki
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
Information
Patent Application
Key switch device and portable electronic device provided with the...
Publication number
20020139652
Publication date
Oct 3, 2002
BROTHER KOGYO KABUSHIKI KAISHA
Mitsumasa Kako
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Key switch device and portable electronic device provided with the...
Publication number
20010047928
Publication date
Dec 6, 2001
BROTHER KOGYO KABUSHIKI KAISHA
Mitsumasa Kako
G06 - COMPUTING CALCULATING COUNTING