Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5874376 | Magnetic disk substrate | Tomoyuki Taguchi, Hideki Kawai, Ikuo Kuriyama, Hajimu Wakabayashi | 1999-02-23 |
| 5726108 | Glass-ceramic magnetic disk substrate | Tomoyuki Taguchi, Hideki Kawai, Ikuo Kuriyama, Hajimu Wakabayashi, Sadao Nakajima | 1998-03-10 |
| 5691256 | Glass composition for magnetic disk substrates and magnetic disk substrate | Tomoyuki Taguchi, Hideki Kawai, Ikuo Kuriyama, Hajimu Wakabayashi | 1997-11-25 |