Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6647064 | ADPCM encoding apparatus, ADPCM decoding apparatus and delay circuit | — | 2003-11-11 |
| 6525430 | Portable engine generator having a fan cover with a control unit mounting portion | Kouichi Asai, Ryuji Tsuru, Yasuhiro Shinkawa | 2003-02-25 |