Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4974373 | Abrasive tools | Toshiro Hattori | 1990-12-04 |
| 4954140 | Abrasives, abrasive tools, and grinding method | Kazuya Orii | 1990-09-04 |
| 4693958 | Lithographic plates and production process therefor | Anthony M. Schwartz, Albert C. Zettlemoyer | 1987-09-15 |