Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8094532 | Interlayer movement apparatus, and integrated circuit for interlayer movement apparatus | Shin-ichi Yamada, Yu Okada | 2012-01-10 |
| 7848189 | Optical disk apparatus controlling focus and tracking drive in gap and recorded area when adjusting write power | — | 2010-12-07 |
| 7826322 | Tracking error control apparatus, tracking error control circuit, optical disk apparatus and tracking error control method | Kazuhiko Miyazaki, Kiyoshi Masaki, Shinichi Yamada, Hideki Shirane | 2010-11-02 |
| 7768882 | Focal control adjusting method and optical disk apparatus | — | 2010-08-03 |
| 7382393 | Optical disk device | Kei Kobayashi | 2008-06-03 |
| 7307926 | Apparatus and method for tracking control | Kiyoshi Masaki | 2007-12-11 |
| 7035175 | Offset measuring method | Machiko Kitayama, Yasuhiro Tai | 2006-04-25 |
| 6449232 | Disk type determination method | Shinichi Yamada, Hiroyuki Yamaguchi, Masuo Maruyama, Masanari Mohri, Akihiro Sakaguchi +2 more | 2002-09-10 |