Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8130386 | Position measuring method | Toshio Hayashida, Ayumi Kihara | 2012-03-06 |
| 8115908 | Position measuring device and position measuring method in semiconductor single crystal manufacturing device | Toshio Hayashida, Ayumi Kihara | 2012-02-14 |