Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9669656 | Bicycle freewheel | Guang Sheng Elson Lim | 2017-06-06 |
| 9636947 | Bicycle axle assembly | — | 2017-05-02 |
| 9255624 | Bicycle chain | Tsuyoshi Fukumori, Takashi Adachi | 2016-02-09 |
| 8777330 | Bicycle axle assembly | — | 2014-07-15 |
| 6488603 | Freewheel for a bicycle | Takeshi Oi | 2002-12-03 |
| 6405613 | Cable saver mechanism | — | 2002-06-18 |
| 6264575 | Freewheel for a bicycle | Takeshi Oi | 2001-07-24 |