Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8255447 | Eigenvalue decomposition apparatus and eigenvalue decomposition method | Yoshimasa Nakamura, Taro Konda, Masashi Iwasaki, Masami Takata | 2012-08-28 |
| 5508991 | Tracking error correction for optical head in different modes of operation | Yoshio Onigata | 1996-04-16 |
| 4885733 | Method of, and system for, detecting an excessive loading condition of multiple disks in a video disk apparatus | — | 1989-12-05 |
| 4286147 | In-focus detecting device | Toshihiko Hosaka | 1981-08-25 |