Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6635735 | Coating composition | Zuyi Zhang | 2003-10-21 |
| 6380111 | Amorphous optical device | Yoshinobu Maeda, Akio Konishi, Hidekazu Hashima | 2002-04-30 |
| 5874376 | Magnetic disk substrate | Tomoyuki Taguchi, Hideki Kawai, Tohru Ohara, Ikuo Kuriyama | 1999-02-23 |
| 5858280 | Preparation of transparent methyl-modified silica gel | Zuyi Zhang, Yoshinori Tanigami, Ryohei Terai | 1999-01-12 |
| 5726108 | Glass-ceramic magnetic disk substrate | Tomoyuki Taguchi, Hideki Kawai, Tohru Ohara, Ikuo Kuriyama, Sadao Nakajima | 1998-03-10 |
| 5691256 | Glass composition for magnetic disk substrates and magnetic disk substrate | Tomoyuki Taguchi, Hideki Kawai, Tohru Ohara, Ikuo Kuriyama | 1997-11-25 |
| 4514329 | Process for vitrifying liquid radioactive waste | Ryohei Terai, Hiroshi Yamanaka, Shigeo Hara | 1985-04-30 |