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Katsuhisa Ootsuta
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Hyogo, JP
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Patents Grants
last 30 patents
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Patent Grant
Apparatus for displaying a flying object
Patent number
6,836,986
Issue date
Jan 4, 2005
Mitsubishi Denki Kabushiki Kaisha
Katsuhisa Ootsuta
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
Sound absorbing mechanism using a porous material
Patent number
6,109,388
Issue date
Aug 29, 2000
Mitsubishi Electric Home Appliance Co., Ltd.
Kouji Tsukamoto
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Sound absorbing mechanism using a porous material
Patent number
5,905,234
Issue date
May 18, 1999
Mitsubishi Electric Home Appliance Co., Ltd.
Kouji Tsukamoto
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Patents Applications
last 30 patents
Information
Patent Application
Apparatus for displaying a flying object and a method for displayin...
Publication number
20030089008
Publication date
May 15, 2003
Mitsubishi Denki Kabushiki Kaisha
Katsuhisa Ootsuta
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Application
Method of technical education employing flying objects and flying o...
Publication number
20010031448
Publication date
Oct 18, 2001
Mitsubishi Denki Kabushiki Kaisha
Toshio Itoh
A63 - SPORTS GAMES AMUSEMENTS