Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5684522 | Method of recording information on ferroelectric material using polarization | Shizuo Umemura, Kazuo Sanada | 1997-11-04 |
| 5676847 | Method for recovering crystals from slurry with wash water recycle means | Toshiyuki Sakata, Hiroshi Suzuki, Etsuro Okamoto | 1997-10-14 |