Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5540575 | High speed rotating apparatus having face-to-face angular contact ball bearings | Susumu Takano | 1996-07-30 |
| 5409359 | High speed rotating apparatus having face-to-face contact ball bearing | Susumu Takano | 1995-04-25 |
| 5074478 | System for crushing and discharging powder and granular material caking in storage tank | Seiichi Fujiwara, Kohji Anao, Ryuichi Miyagawa | 1991-12-24 |
| 4838712 | Ball bearing and the retainer thereof | Yoshiaki Katsuno | 1989-06-13 |