Issued Patents 1994
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5335214 | Optical recording track access driving apparatus | Hirotsugu Matoba, Takeshi Yamaguchi | 1994-08-02 |
| 5311490 | Access controlling device for use in an optical disk drive | Hirotsugu Matoba, Takeshi Yamaguchi, Kunio Kojima, Shigeo Terashima | 1994-05-10 |
| 5301174 | Optical disk recording and reproducing apparatus | Hirotsugu Matoba, Toshihisa Deguchi, Shigeo Terashima | 1994-04-05 |