EW

Etsuyoshi Watarai

Shimano: 107 patents #2 of 759Top 1%
SI Shimano Industrial: 2 patents #28 of 60Top 50%
EC Echowell Electronic Co.: 1 patents #3 of 4Top 75%
Overall (All Time): #12,229 of 4,157,543Top 1%
109
Patents All Time

Issued Patents All Time

Showing 25 most recent of 109 patents

Patent #TitleCo-InventorsDate
11203395 Bicycle sprocket and bicycle sprocket assembly Koji Yuasa 2021-12-21
11091226 Bicycle controller and bicycle control system including bicycle controller Yasuhiro Tsuchizawa, Hiroshi Matsuda, Kazuhiro Fujii, Satoshi Shahana, Hiroyuki Miyoshi 2021-08-17
10906607 Bicycle control apparatus and bicycle driving device equipped with a control apparatus Tadashi Ichida, Hiroyuki Miyoshi 2021-02-02
10889352 Bicycle control apparatus and bicycle driving device equipped with a control apparatus Tadashi Ichida, Hiroyuki Miyoshi 2021-01-12
10836453 Bicycle controller and bicycle control system including bicycle controller Yasuhiro Tsuchizawa, Hiroshi Matsuda, Kazuhiro Fujii, Satoshi Shahana, Hiroyuki Miyoshi 2020-11-17
10766561 Bicycle operating device and bicycle seatpost apparatus Nobukatsu Hara 2020-09-08
10604209 Bicycle hydraulic device Mototsugu Nakai, Takaaki Fujiwara, Tatsuya Matsushita, Yasuyuki Komada 2020-03-31
10502276 Rotor cover Takashi Adachi, Yoshiaki Ando, Takafumi Nishino, Osamu Kariyama, Nobuyoshi Fujii +1 more 2019-12-10
10363992 Electric bicycle component 2019-07-30
10155564 Bicycle bottom bracket assembly Shingo Shiraishi, Takashi Furuya, Yoshiaki Ando 2018-12-18
10107377 Bicycle sprocket 2018-10-23
10081409 Bicycle control apparatus and bicycle driving device equipped with a control apparatus Tadashi Ichida, Hiroyuki Miyoshi 2018-09-25
10036465 Bicycle component Yusuke Nishikawa, Shinichiro Noda 2018-07-31
10029754 Bicycle electrical system Takashi Toyoshima, Tadaharu KUROTOBI 2018-07-24
10023139 Bicycle control system Hideki Ikemoto, Takeshi Oi 2018-07-17
10017224 Bicycle shift operating device Satoshi Shahana 2018-07-10
10000195 Bicycle control apparatus Junya Fujita, Mitsuru Tauchi 2018-06-19
9963200 Bicycle control apparatus 2018-05-08
9963197 Electric bicycle rear derailleur Atsushi Komatsu, Yuta Kurokawa, Shingo Sakurai 2018-05-08
9963192 Non-metallic bracket for a bicycle hydraulic component Osamu Kariyama, Nobuyoshi Fujii 2018-05-08
9919616 Control system for bicycle 2018-03-20
9903522 Bicycle hydraulic hose cap and bicycle hydraulic hose assembly Osamu Kariyama, Nobuyoshi Fujii, Shinya Hirotomi, Takahiro Yamashita, Masahiro Nakakura +1 more 2018-02-27
9873483 Bicycle control device Osamu Kariyama, Tatsuya Matsushita, Masahiro Nakakura 2018-01-23
9834276 Bicycle control device Osamu Kariyama, Tatsuya Matsushita, Masahiro Nakakura 2017-12-05
9797434 Bicycle shift operating device with a multi-direction operating member Tatsuya Kawakami 2017-10-24