Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6644094 | Traction coefficient measurement device | Ryoichi Otaki, Hiroya Achiha | 2003-11-11 |
| 6582128 | Ball bearing and bearing device | Yuji Nakano, Yoshiyuki Tsuruga | 2003-06-24 |
SN
Shinichi Natsumeda
Overall (2003): #43,233 of 273,478Top 20%
2
Patents 2003