Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6744239 | Connection to grid type engine generator apparatus | Tomoki Fukushima, Yoshiaki Kotani, Takao Tamechika | 2004-06-01 |
| 6686597 | Substrate rotating device, and manufacturing method and apparatus of recording medium master | Osamu Kumasaka, Kazumi Kuriyama, Hiroki Kaneda, Masami Sone, Takeharu Iwata +1 more | 2004-02-03 |