Issued Patents 2002
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6480960 | OPTICAL DISK, AN OPTICAL DISK BARCODE FORMING METHOD, AN OPTICAL DISK REPRODUCTION APPARATUS, A MARKING FORMING APPARATUS, A METHOD OF FORMING A LASER MARKING ON AN OPTICAL DISK, AND A METHOD OF MANUFACTURING AN OPTICAL DISK | Mitsuaki Oshima, Shinichi Tanaka, Kenji Koishi, Mitsuro Moriya | 2002-11-12 |
| 6470452 | OPTICAL DISK, AN OPTICAL DISK BARCODE FORMING METHOD, AN OPTICAL DISK REPRODUCTION APPARATUS, A MARKING FORMING APPARATUS, A METHOD OF FORMING A LASER MARKING ON AN OPTICAL DISK, AND A METHOD OF MANUFACTURING AN OPTICAL DISK | Mitsuaki Oshima, Shinichi Tanaka, Kenji Koishi, Mitsuro Moriya | 2002-10-22 |
| 6466735 | Optical disk and reproduction apparatus for producing optical disk | Masayuki Kozuka, Masataka Minami, Kazuoki Otani, Osamu Kawashima, Yoshihisa Fukushima | 2002-10-15 |
| 6457128 | OPTICAL DISK, AN OPTICAL DISK BARCODE FORMING METHOD, AN OPTICAL DISK REPRODUCTION APPARATUS, A MARKING FORMING APPARATUS, A METHOD OF FORMING A LASER MARKING ON AN OPTICAL DISK, AND A METHOD OF MANUFACTURING AN OPTICAL DISK | Mitsuaki Oshima, Shinichi Tanaka, Kenji Koishi, Mitsuro Moriya | 2002-09-24 |
| 6449366 | OPTICAL DISK, AN OPTICAL DISK BARCODE FORMING METHOD, AN OPTICAL DISK REPRODUCTION APPARATUS, A MARKING FORMING APPARATUS, A METHOD OF FORMING A LASER MARKING ON AN OPTICAL DISK, AND A METHOD OF MANUFACTURING AN OPTICAL DISK | Mitsuaki Oshima, Shinichi Tanaka, Kenji Koishi, Mitsuro Moriya | 2002-09-10 |
| 6385148 | Information recording medium, information recording method, information recording apparatus and information reproducing apparatus | Motoshi Ito, Hiroshi Ueda, Yoshihisa Fukushima | 2002-05-07 |
| 6381588 | Optical disk recordable using both a cipher key and disk identification information for encryption | Mitsuaki Oshima, Shinichi Tanaka, Kenji Koishi, Mitsurou Moriya, Yoshinari Takemura | 2002-04-30 |
| 6370325 | Optical disc recording apparatus, computer-readable recording medium recording a file management program, and optical disc | Tokuo Nakatani, Yasushi Tamakoshi, Hiroshi Kato, Tomoyuki Okada, Kaoru Murase | 2002-04-09 |
| 6353704 | Optical disc recording apparatus, computer-readable recording medium recording a file management program, and optical disc | Tokuo Nakatani, Yasushi Tamakoshi, Hiroshi Kato, Tomoyuki Okada, Kaoru Murase | 2002-03-05 |
| 6343282 | Optical disk reading device using both a decipher key and disk identification information | Mitsuaki Oshima, Shinichi Tanaka, Kenji Koishi, Mitsurou Moriya, Yoshinari Takemura | 2002-01-29 |