Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8998756 | Apparatus for adjusting a position of a bicycle derailleur | Tadashi Ichida, Kazuhiro Fujii, Ryuichiro Takamoto | 2015-04-07 |
| 7947914 | Bicycle shift operating device | Kazuhiro Fujii | 2011-05-24 |
| 7902967 | Bicycle control system | — | 2011-03-08 |
| 7874567 | Bicycle shifting control apparatus | Tadashi Ichida, Takumi Onogi, Kazuhiro Fujii, Masahiko Fukuda, Ryuichiro Takamoto | 2011-01-25 |
| 7819032 | Testing tool for electric bicycle devices | Etsuyoshi Watari, Kazuhiro Takeda | 2010-10-26 |
| 7761212 | Wireless communication apparatus | — | 2010-07-20 |
| 7704173 | Motorized bicycle derailleur assembly | Tadashi Ichida, Ryuichiro Takamoto | 2010-04-27 |
| 7399244 | Apparatus for controlling a bicycle gear shift device based on movement of the device | Koji Uno, Tadashi Ichida, Ryuichiro Takamoto | 2008-07-15 |
| 7379798 | Bicycle display apparatus with distributed processing | Kazuhiro Takeda | 2008-05-27 |
| 7306531 | Electric bicycle derailleur | Tadashi Ichida, Ryuichiro Takamoto, Koji Uno | 2007-12-11 |
| 7089100 | Bicycle information processing apparatus with memory protection | Kazuhiro Takeda, Satoshi Kitamura | 2006-08-08 |
| 7045910 | Bicycle power supply with reduced battery leakage | Satoshi Kitamura | 2006-05-16 |
| 6945888 | Combined analog and digital derailleur position processing apparatus | Masahiko Fukuda | 2005-09-20 |
| 6899649 | Motor unit for an assisting apparatus for changing speeds in a bicycle transmission | Tadashi Ichida, Satoshi Kitamura | 2005-05-31 |
| 6884190 | Bicycle shift control device that inhibits the generation of a second shift signal after the generation of a first shift signal | — | 2005-04-26 |
| 6835148 | Method and apparatus for preventing improper shifting of a bicycle transmission | Tadashi Ichida, Satoshi Kitamura | 2004-12-28 |
| 6724299 | Bicycle data communication method and apparatus | Kazuhiro Takeda | 2004-04-20 |