Issued Patents 2011
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8070557 | Method of polishing glass substrate | Hiroshi Kojima | 2011-12-06 |
| 7959493 | Method for polishing glass substrate and process for producing glass substrate | Mitsuru Horie, Hiroyuki Tomonaga, Noriaki Shimodaira | 2011-06-14 |
| 7923178 | Glass substrate for mask blank and method of polishing for producing the same | Hiroshi Kojima | 2011-04-12 |
| 7901843 | Process for smoothing surface of glass substrate | Takashi Sugiyama, Yoshiaki Ikuta | 2011-03-08 |