Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7386482 | Server system for distributing an electromotive power assisted bicycle | Kyosuke Kokatsu, Fumihito Nigara, Takehiko Ito, Satoshi Maruyama | 2008-06-10 |
| 7370720 | Electromotive power assisted bicycle | Kyosuke Kokatsu, Fumihito Nigara | 2008-05-13 |
| 7357209 | Electrically assisted bicycle which enables aerobic exercise | Kyosuke Kokatsu, Fumihito Nigara | 2008-04-15 |
| 7258216 | One-way clutch and torque detection apparatus using same | Kyosuke Kokatsu | 2007-08-21 |
| 6889809 | One-way clutch and torque detection apparatus using same | Kyosuke Kokatsu | 2005-05-10 |
| 6851497 | Power-assisted bicycle | Kyosuke Kokatsu | 2005-02-08 |
| D460932 | Bicycle frame | Kyosuke Kokatsu, Fumihito Nigara | 2002-07-30 |
| 5830095 | Sprocket and manufacturing method thereof | Norihiko Takamori, Fumihiko Metsugi, Akihito Ohata, Shunji Takeda | 1998-11-03 |