Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7044179 | Elastic wheel | Katsumi Tashiro | 2006-05-16 |
| 6981535 | Elastic wheel | Katsumi Tashiro, Masanori Murase, Keiichiro Mizuno | 2006-01-03 |
| 6782930 | Elastic wheel | Katsumi Tashiro, Masanori Murase | 2004-08-31 |
| 6732775 | Elastic wheel | Katsumi Tashiro, Masanori Murase, Keiichiro Mizuno | 2004-05-11 |