Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9272445 | Rubber vulcanizer and rubber vulcanizing method | Kazuki Hamada | 2016-03-01 |
| 8991359 | Camshaft device | Kazuki Hamada, Hiroshi Ueno, Hironori Hiraoka | 2015-03-31 |
| 8714832 | Conical roller cage | Hiroshi Ueno, Hirosato Nakanishi, Masashi Sakaguchi, Kazuki Hamada, Hironori Hiraoka | 2014-05-06 |
| 8523449 | Rolling bearing | Kazuki Hamada, Hiroshi Ueno | 2013-09-03 |
| 8393801 | Outer ring of tapered roller bearing and tapered roller bearing | Kazuki Hamada, Hiroshi Ueno, Hironori Hiraoka | 2013-03-12 |
| 7305902 | Ball screw device | Masahiro Inoue | 2007-12-11 |
| 7249533 | Ball screw device | Masahiro Inoue, Tatsuyuki Miki | 2007-07-31 |
| 6464061 | Clutch device | Masahiro Inoue, Koji Shima | 2002-10-15 |