Yukio Koyanagi

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Saitama-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Alternate window compression/decompression method, apparatus, and s...
- Patent number 6,785,644
- Issue date Aug 31, 2004
- Yasue Sakai
- Yukio Koyanagi
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Digital-analog converter and method, and data interpolation device...
- Patent number 6,515,608
- Issue date Feb 4, 2003
- Yukio Koyanagi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Sampling function waveform data generating device
- Patent number 6,483,451
- Issue date Nov 19, 2002
- Yasue Sakai
- Yukio Koyanagi
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
IMAGE SCALING DEVICE
- Publication number 20080019612
- Publication date Jan 24, 2008
- Yukio Koyanagi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Compression method and apparatus, decompression method and apparatu...
- Publication number 20030216925
- Publication date Nov 20, 2003
- Yasue Sakai
- Yukio Koyanagi
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
Speech recognition method and device, speech synthesis method and d...
- Publication number 20030093273
- Publication date May 15, 2003
- Yukio Koyanagi
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
Compression method and apparatus, decompression method and apparatu...
- Publication number 20030088404
- Publication date May 8, 2003
- Yukio Koyanagi
- G10 - MUSICAL INSTRUMENTS ACOUSTICS