RK

Ryohei Kageyama

AC Asmo Co.: 11 patents #26 of 745Top 4%
DE Denso: 1 patents #6,940 of 11,792Top 60%
Overall (All Time): #358,650 of 4,157,543Top 9%
13
Patents All Time

Issued Patents All Time

Showing 1–13 of 13 patents

Patent #TitleCo-InventorsDate
12189324 Image forming apparatus 2025-01-07
10186937 Method of manufacturing commutator segments with claws and tilted recesses Toshiyuki Osawa, Kouji Hyoudou 2019-01-22
8220146 Method of manufacturing short-circuiting member Yuuichi Terada, Toshihiro Tanino, Toshio Yamamoto, Yasuhide Itou, Yoshiki Nakano 2012-07-17
7877857 Manufacturing method of electric motor Toshiyuki Osawa, Nobuo Kasao, Kengo Ozawa 2011-02-01
7856703 Method for making a short-circuiting member and method for making a commutator Nobuo Kasao, Toshiyuki Osawa, Yuichi Terada 2010-12-28
7642687 Short-circuit member for a commutator and an armature Toshio Yamamoto 2010-01-05
7626307 Short-circuit member for a commutator and an armature Toshio Yamamoto 2009-12-01
7583004 Short-circuiting member, commutator, and method of manufacturing short-circuiting member Yuuichi Terada, Toshihiro Tanino, Toshio Yamamoto, Yasuhide Itou, Yoshiki Nakano 2009-09-01
7569969 Armature, rotating electric machine, DC motor, and brushless motor Yoshiki Nakano, Akihiko Seki, Yoshitaka Tao, Kazushi Sugishima, Yasuhide Ito +3 more 2009-08-04
7414345 Commutator and armature Nobuo Kasao, Toshiyuki Osawa 2008-08-19
7414344 Commutator and an armature Nobuo Kasao, Toshiyuki Osawa, Yuichi Terada, Toshihiro Tanino, Yoshiki Nakano 2008-08-19
7084546 Commutator, manufacturing method of commutator, manufacturing apparatus of commutator and commutator plate material Nobuo Kasao, Toshiyuki Ohsawa 2006-08-01
6369484 Commutator of rotary electric machine and method of manufacturing the same Kengo Ozawa, Tsuyoshi Kuribayashi 2002-04-09