Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5642970 | Method of producing a curved groove in a workpiece | Yukio Yamaguchi, Takahiro Yamazaki, Tatsuo Miura | 1997-07-01 |
| 5630684 | Method for machining a scroll member | Yukio Yamaguchi, Junichi Iio, Norio Suzuki, Kouji Mikami, Yukihisa Tsuchimoto +2 more | 1997-05-20 |