Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9150281 | Bicycle rear derailleur | Sota Yamaguchi, Takeshi Murasaka | 2015-10-06 |
| 8105193 | Bicycle rear derailleur | Hajime Nagasawa, Satoru Kunisawa | 2012-01-31 |
| 8025598 | Low profile rear derailleur with a chain receiving space | Etsuyoshi Watarai, Souta Yamaguchi | 2011-09-27 |
| 8007383 | Low profile rear derailleur | Etsuyoshi Watarai, Souta Yamaguchi | 2011-08-30 |
| 7905804 | Bicycle derailleur | Souta Yamaguchi | 2011-03-15 |
| 7854673 | Bicycle sprocket assembly having a reinforcement member coupled between sprockets | Kentaro Hiratani | 2010-12-21 |
| 7614972 | Bicycle rear derailleur | — | 2009-11-10 |
| 7166048 | Bicycle derailleur with protective support | Satoshi Shahana, Masayuki Arakawa, Nobukatsu Hara | 2007-01-23 |
| 7044874 | Bicycle rear derailleur | Satoshi Shahana, Kazuhiro Fujii | 2006-05-16 |