Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE41370 | Adaptive transform coding system, adaptive transform decoding system and adaptive transform coding/decoding system | Yuichiro Takamizawa | 2010-06-08 |
| RE40854 | Fast calculation apparatus for carrying out a forward and an inverse transform | — | 2009-07-14 |
| RE38593 | Adaptive transform coding system, adaptive transform decoding system and adaptive transform coding/decoding system | Yuichiro Takamizawa | 2004-09-21 |
| 5875424 | Encoding system and decoding system for audio signals including pulse quantization | Yuichiro Takamizawa | 1999-02-23 |
| 5841377 | Adaptive transform coding system, adaptive transform decoding system and adaptive transform coding/decoding system | Yuichiro Takamizawa | 1998-11-24 |
| 5263088 | Adaptive bit assignment transform coding according to power distribution of transform coefficients | Fumie Hazu | 1993-11-16 |
| 5235623 | Adaptive transform coding by selecting optimum block lengths according to variatons between successive blocks | Akihiko Sugiyama, Takao Nishitani | 1993-08-10 |
| 5218561 | Fast calculation apparatus for carrying out a forward and an inverse transform | — | 1993-06-08 |