Issued Patents 2011
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8007877 | Liquid crystal optical modulation element and optical head device | Yuriko Kaida, Hiromichi Nagayama, Hiroshi Kumai | 2011-08-30 |
| 7986606 | Optical head device | Nobuhiko Takeshita, Tomoki Gunjima | 2011-07-26 |
| 7927186 | Method for producing glass substrate for magnetic disk | Mizuho Ishida | 2011-04-19 |