Issued Patents 1994
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5347502 | Focusing control system for use in an information recording and reproducing apparatus | Masayuki Shibano | 1994-09-13 |
| 5331615 | Tracking control apparatus for an optical disk device | Mitsuro Moriya, Masayuki Shibano, Hiroyuki Yamaguchi | 1994-07-19 |
| 5319623 | Data-track search apparatus for locating a desired data track on a record carrier | Mitsuro Moriya, Hiroyuki Yamaguchi | 1994-06-07 |
| 5310904 | Process for preparing optically active benzothiazepine compounds by asymmetric reduction | Yasuhiko Ozaki, Hiroyasu Seko | 1994-05-10 |