Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8092280 | Glass substrate for magnetic disk and method for producing the same | Mizuho Ishida, Norihito Shida, Katsuhiro Matsumoto | 2012-01-10 |
| 7691207 | Method for cleaning disk-shape glass substrate and magnetic disk | Osamu Miyahara, Kuniyuki Someya, Tsutomu Maruyama | 2010-04-06 |
| 5900296 | Glass substrate for magnetic disk | Ichiro Hayashi, Kei Maeda | 1999-05-04 |
| 5871654 | Method for producing a glass substrate for a magnetic disk | Ichiro Hayashi, Atsushi Tokuma | 1999-02-16 |
| 5087481 | Method for texturing a magnetic disk silicate glass substrate | Tu Chen, Toru Iseda | 1992-02-11 |