Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5693596 | Cutting fluid, method for production thereof, and method for cutting ingot | Shingo Kaburagi, Akio Ashida, Etsuo Kiuchi, Kohei Toyama | 1997-12-02 |
| 5660650 | Method and apparatus for correcting the hardening deformation of annular elements | Shigeru Okita, Shizuo Mitsuhashi, Akihiro Kiuchi | 1997-08-26 |