Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5315585 | Echo canceller using two residual echoes | Youtaro Yatsuzuka | 1994-05-24 |
| 5125030 | Speech signal coding/decoding system based on the type of speech signal | Takahiro NOMURA, Yohtato Yatsuzuka | 1992-06-23 |
| 5113448 | Speech coding/decoding system with reduced quantization noise | Takahiro NOMURA, Yohtaro Yatsuzuka, Hideki Honma | 1992-05-12 |
| 4676404 | Method and apparatus for feeding drug liquid from hermetic returnable can | Masahiro Yamazaki, Shigemitsu Kamiya, Yoshiro Oka, Katsuhiro Fujino | 1987-06-30 |