Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5916656 | Sheet glass flattening method, method of manufacturing an information recording glass substrate using flattened glass, method of manufacturing a magnetic disk using glass substrate, and magnetic recording medium | Teruki Kitayama, Kazuhiko Sekiguchi, Teruhisa Fujita, Yoshio Murano, Tak Kojima | 1999-06-29 |
| 5725625 | Method of manufacturing a magnetic recording disk using glass substrate | Teruki Kitayama, Kazuhiko Sekiguchi, Teruhisa Fujita, Yoshio Murano, Takeshi Kojima | 1998-03-10 |
| 5681609 | Method of manufacturing a magnetic recording disk | Teruki Kitayama, Kazuhiko Sekiguchi, Teruhisa Fujita, Yoshio Murano, Takeshi Kojima | 1997-10-28 |
| 5654057 | Sheet glass flattening method, method of manufacturing glass substrate for an information recording disk using flattened glass, method of manufacturing a magnetic recording disk using glass substrate, and magnetic recording medium | Teruki Kitayama, Kazuhiko Sekiguchi, Teruhisa Fujita, Yoshio Murano, Takeshi Kojima | 1997-08-05 |