Tohru Ifukube

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Patents Grantslast 30 patents

Information Patent Grant
Voice output device, information input device, file selection devic...
- Patent number 9,349,302
- Issue date May 24, 2016
- International Business Machines Corporation
- Chieko Asakawa
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Voice output device, information input device, file selection devic...
- Patent number 8,494,860
- Issue date Jul 23, 2013
- International Business Machines Corporation
- Chieko Asakawa
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Voice output device, information input device, file selection devic...
- Patent number 7,403,897
- Issue date Jul 22, 2008
- International Business Machines Corporation
- Chieko Asakawa
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
VOICE OUTPUT DEVICE, INFORMATION INPUT DEVICE, FILE SELECTION DEVIC...
- Publication number 20130298027
- Publication date Nov 7, 2013
- Chieko Asakawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
VOICE OUTPUT DEVICE, INFORMATION INPUT DEVICE, FILE SELECTION DEVIC...
- Publication number 20080241803
- Publication date Oct 2, 2008
- Chieko Asakawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Audio video conversion apparatus and method, and audio video conver...
- Publication number 20050228676
- Publication date Oct 13, 2005
- Japan Science and Technology Agency
- Tohru Ifukube
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Voice output device, information input device, file selection devic...
- Publication number 20050089824
- Publication date Apr 28, 2005
- Chieko Asakawa
- G06 - COMPUTING CALCULATING COUNTING