Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10403321 | Method for manufacturing glass substrate and method for manufacturing magnetic disk | — | 2019-09-03 |
| 10068602 | Method for manufacturing glass substrate, method for manufacturing magnetic disk, and polishing liquid composition for glass substrate | — | 2018-09-04 |
| 9299382 | Method of manufacturing a glass substrate for a magnetic disk and method of manufacturing a magnetic disk | Hideo Sakai | 2016-03-29 |
| 9186771 | Method of manufacturing a glass substrate for a magnetic disk and method of manufacturing a magnetic disk | Hideo Sakai, Yosuke Suzuki | 2015-11-17 |
| 8974561 | Manufacturing method of glass substrate for magnetic disk, magnetic disk, and magnetic recording / reproducing device | Masanori Tamaki, Hiroki Nakagawa | 2015-03-10 |
| 6491572 | Method of processing surface of glass substrate for magnetic disk and suspension with abrasive particles therefor | Yuji Horie, Takabumi Marukawa, Kanichi Endo | 2002-12-10 |