Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6742934 | Rolling bearing and spindle apparatus for machine tool | Naoki Matsuyama, Sumio Sugita, Yu Koiwa, Tamotsu Misawa, Masaru Terasaki | 2004-06-01 |
| 6709161 | Angular contact ball bearing and spindle device | Kenji Yakura, Yasushi Morita, Naoki Matsuyama | 2004-03-23 |