Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5691256 | Glass composition for magnetic disk substrates and magnetic disk substrate | Hideki Kawai, Tohru Ohara, Ikuo Kuriyama, Hajimu Wakabayashi | 1997-11-25 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5691256 | Glass composition for magnetic disk substrates and magnetic disk substrate | Hideki Kawai, Tohru Ohara, Ikuo Kuriyama, Hajimu Wakabayashi | 1997-11-25 |