Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6776579 | Fan | Kazutoyo Ichikawa, Hideki Tamura | 2004-08-17 |
| 6722692 | Falling shock absorbing device for wheelchair | Kiyoshi Fukaya, Mitsuya Uchida, Fumio Hosoya, Hidemi Taniuchi | 2004-04-20 |
| D486754 | Christmas decoration | Kazutoyo Ichikawa | 2004-02-17 |