Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7795165 | Lead-free bismuth glass | Ichiro Uchiyama, Tomoyuki Taguchi, Hisashi Matsuno, Keiichiro Hayakawa | 2010-09-14 |
| 5874376 | Magnetic disk substrate | Tomoyuki Taguchi, Hideki Kawai, Tohru Ohara, Hajimu Wakabayashi | 1999-02-23 |
| 5726108 | Glass-ceramic magnetic disk substrate | Tomoyuki Taguchi, Hideki Kawai, Tohru Ohara, Hajimu Wakabayashi, Sadao Nakajima | 1998-03-10 |
| 5691256 | Glass composition for magnetic disk substrates and magnetic disk substrate | Tomoyuki Taguchi, Hideki Kawai, Tohru Ohara, Hajimu Wakabayashi | 1997-11-25 |