Tomohiro Iwanaga

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Music player
- Patent number 7,285,711
- Issue date Oct 23, 2007
- Oki Electric Industry, Co., Ltd.
- Toshiharu Okada
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Play data editing device and method of editing play data
- Patent number 7,205,470
- Issue date Apr 17, 2007
- Oki Electric Industry Co., Ltd.
- Kaoru Tsukamoto
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Music playback unit and method for correcting musical score data
- Patent number 7,060,886
- Issue date Jun 13, 2006
- Oki Electric Industry Co., Ltd.
- Masao Tomizawa
- G10 - MUSICAL INSTRUMENTS ACOUSTICS

Patents Applicationslast 30 patents

Information Patent Application
Music player
- Publication number 20060130638
- Publication date Jun 22, 2006
- Oki Electric Industry Co., Ltd.
- Toshiharu Okada
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
Play data editing device and method of editing play data
- Publication number 20050150360
- Publication date Jul 14, 2005
- Kaoru Tsukamoto
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
Karaoke service method and system by mobile device
- Publication number 20040241632
- Publication date Dec 2, 2004
- Kaoru Tsukamoto
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
Music playback unit and method for correcting musical score data
- Publication number 20040173084
- Publication date Sep 9, 2004
- Masao Tomizawa
- G10 - MUSICAL INSTRUMENTS ACOUSTICS