Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8231433 | Polishing method and polishing apparatus | Satoshi Fujinami | 2012-07-31 |
| 8137161 | Disk-shaped substrate manufacturing method | Satoshi Fujinami, Takeshi Jonouchi | 2012-03-20 |
| 8033893 | Grinding method of a disk-shaped substrate and grinding apparatus | Satoshi Fujinami | 2011-10-11 |
| 8029687 | Polishing slurry, production method of glass substrate for information recording medium and production method of information recording medium | Katsuaki Aida, Hiroyuki Machida | 2011-10-04 |
| 7959492 | Disk-shaped substrate inner circumference polishing method | Kunizo Watanabe, Yosuke Sato | 2011-06-14 |
| 7837536 | Polishing apparatus, polishing brush and manufacturing method of disk-shaped substrate | Yosuke Sato | 2010-11-23 |
| 7700205 | Process for manufacturing glass substrate for magnetic recording medium, glass substrate for magnetic recording medium obtained by the process, and magnetic recording medium obtained using the substrate | Katsuaki Aida, Hiroyuki Machida | 2010-04-20 |
| 7662493 | Magnetic disk substrate and production method of magnetic disk | Hiroyuki Machida, Katsuaki Aida | 2010-02-16 |
| 7654884 | Method of polishing end surfaces of a substrate for a recording medium by a grain flow processing method | Yoshio Kawakami | 2010-02-02 |
| 7622206 | Silicon substrate for magnetic recording medium and magnetic recording medium | Katsuaki Aida, Hiroyuki Machida | 2009-11-24 |