| |
|
Inventor: Honguh; Yoshinori
Address: Tokyo, JP
No. of patents: 1
Patents:
| Patent Number |
Title Of Patent |
Date Issued |
| RE38643 |
Optical disk having specified track pitch, and optical disk apparatus |
November 2, 2004 |
| An optical disk with sectional trapezoidal pits comprising a substrate having information recorded by a plurality of pit trains formed thereon at a specified track pitch, and a reflective layer formed on the substrate, wherein the information is reproduced by being irradiated with light |
|
|
|
