Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8223619 | Optical recording medium, reproduction apparatus, and tracking servo method | Shiro Morotomi, Minoru Tobita, Toshiya Murakami, Atsushi Umezawa | 2012-07-17 |
| 7613092 | Reproduction apparatus and focus jump method | Shiro Morotomi, Hiroshi Oinoue | 2009-11-03 |