Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8424209 | Assembling method of bearing unit | Takao Katougi | 2013-04-23 |
| 8091240 | Assembling method of bearing unit | Takao Katougi | 2012-01-10 |
| 8052331 | Bearing fixing device and bearing unit | Takao Katougi, Katsuhiro Ikezawa, Seigou Urakami, Daisuke Himeda | 2011-11-08 |
| 7967512 | Rolling bearing unit for rotation support unit | Daisuke Himeda, Takao Katougi, Toshiharu Honda, Juji Harada, Seigou Urakami +1 more | 2011-06-28 |
| 7677807 | Hub unit for wheel | Taketoshi Chifu, Tetsu Takehara, Kinji Yukawa | 2010-03-16 |