Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6447168 | Tapered roller bearings and gear shaft support devices | Takashi Tsujimoto, Yuji Okamoto | 2002-09-10 |
| 6423158 | Rolling bearings and gear shaft support device | Hirokazu Nakashima, Akio Okayama | 2002-07-23 |