Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6819025 | Core of rotation apparatus, method for manufacturing core, and rotation apparatus | Kaname Egawa, Toshio Yamamoto, Keiichi Uemura, Yasuhiro Toyama, Yoshiyuki Takabe +1 more | 2004-11-16 |
| 6756717 | Motor | Toshio Yamamoto, Masayuki Kuwano | 2004-06-29 |