Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5612939 | Optical disk recording and/or reproducing apparatus for performing optimizing operation for servo control with recording and/or reproducing operation | Yasuhiro Ueki, Takeshi Aizawa | 1997-03-18 |