Hisashi Yajima

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Digital circuit multiplication equipment
- Patent number 7,065,099
- Issue date Jun 20, 2006
- Mitsubishi Denki Kabushiki Kaisha
- Shigeaki Suzuki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Speech coding apparatus capable of implementing acceptable in-chann...
- Patent number 7,031,912
- Issue date Apr 18, 2006
- Mitsubishi Denki Kabushiki Kaisha
- Hisashi Yajima
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Voice frequency-band encoder having separate quantizing units for v...
- Patent number 6,484,139
- Issue date Nov 19, 2002
- Mitsubishi Denki Kabushiki Kaisha
- Hisashi Yajima
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Voice coding-and-transmission system with silent period elimination
- Patent number 5,873,058
- Issue date Feb 16, 1999
- Mitsubishi Denki Kabushiki Kaisha
- Hisashi Yajima
- G10 - MUSICAL INSTRUMENTS ACOUSTICS

Patents Applicationslast 30 patents

Information Patent Application
Speech coding apparatus capable of implementing acceptable in-chann...
- Publication number 20020038210
- Publication date Mar 28, 2002
- Hisashi Yajima
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
Voice encoding device
- Publication number 20010007973
- Publication date Jul 12, 2001
- Mitsubishi Denki Kabushiki Kaisha
- Hisashi Yajima
- G10 - MUSICAL INSTRUMENTS ACOUSTICS