Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6598255 | Cleaning rotary brush | Shuki Gohda, Masao Ide | 2003-07-29 |
| 6502273 | Cleaning sponge roller | Koji Mihara, Shuki Gohda, Masao Ide, Koei Igarashi, Hiroshi Miyaji | 2003-01-07 |