Issued Patents 2003
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6633853 | Recordable optical disk encrypted with disk identification and multiple keys | Mitsuaki Oshima, Yoshiho Gotoh, Kenji Koishi, Mitsurou Moriya, Yoshinari Takemura | 2003-10-14 |
| 6628755 | Transaction support system and information terminal unit connecting thereto | Takashi Shimada, Kiyofumi Akita, Shigeru Idei, Keizo Nishi, Muneichi Tsujibayashi | 2003-09-30 |
| 6622132 | Device for encoding encrypted information on an optical disk | Mitsuaki Oshima, Yoshiho Gotoh, Kenji Koishi, Mitsurou Moriya, Yoshinari Takemura | 2003-09-16 |
| 6618347 | 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 | Yoshiho Gotoh, Mitsuaki Oshima, Kenji Koishi, Mitsuro Moriya | 2003-09-09 |
| 6614749 | Recordable optical disk | Yoshihiro Tosaki, Masaru Odagiri, Hiromichi Shimada | 2003-09-02 |
| 6611820 | Recording medium, recorder, reproducer, cryptocommunication system and program license system | Mitsuaki Oshima, Yoshiho Gotoh, Kenji Koishi, Mitsurou Moriya, Yoshinari Takemura | 2003-08-26 |
| 6606290 | Recordable optical disk | Yoshihiro Tosaki, Masaru Odagiri, Hiromichi Shimada | 2003-08-12 |
| 6603731 | Recordable optical disk | Yoshihiro Tosaki, Masaru Odagiri, Hiromichi Shimada | 2003-08-05 |
| 6603732 | Recordable optical disk | Yoshihiro Tosaki, Masaru Odagiri, Hiromichi Shimada | 2003-08-05 |
| 6600706 | 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 | Yoshiho Gotoh, Mitsuaki Oshima, Kenji Koishi, Mitsuro Moriya | 2003-07-29 |
| 6597654 | Recordable optical disk | Yoshihiro Tosaki, Masaru Odagiri, Hiromichi Shimada | 2003-07-22 |
| 6597649 | Recordable optical disk | Yoshihiro Tosaki, Masaru Odagiri, Hiromichi Shimada | 2003-07-22 |
| 6590846 | Recordable optical disk | Yoshihiro Tosaki, Masaru Odagiri, Hiromichi Shimada | 2003-07-08 |
| 6552969 | 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 | Yoshiho Gotoh, Mitsuaki Oshima, Kenji Koishi, Mitsuro Moriya | 2003-04-22 |