Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6492909 | Audio signal processing apparatus | Sakae Washikawa, Koji Hirano, Shigeru Saegusa | 2002-12-10 |
| 6392200 | Wet tissue warmer and tissue lifting plate | Tomihisa Kaneko, Kazunao Ogura | 2002-05-21 |