Issued Patents 2003
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6661768 | Optical disk, and method and apparatus for reproducing information recorded in optical disk | Takashi Yumiba, Teruyuki Takizawa, Mitsuro Moriya, Akihiko Nishioka, Koichi Morioka | 2003-12-09 |
| 6633853 | Recordable optical disk encrypted with disk identification and multiple keys | Yoshiho Gotoh, Shinichi Tanaka, Kenji Koishi, Mitsurou Moriya, Yoshinari Takemura | 2003-10-14 |
| 6622132 | Device for encoding encrypted information on an optical disk | Yoshiho Gotoh, Shinichi Tanaka, 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, Shinichi Tanaka, Kenji Koishi, Mitsuro Moriya | 2003-09-09 |
| 6611820 | Recording medium, recorder, reproducer, cryptocommunication system and program license system | Yoshiho Gotoh, Shinichi Tanaka, Kenji Koishi, Mitsurou Moriya, Yoshinari Takemura | 2003-08-26 |
| 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, Shinichi Tanaka, Kenji Koishi, Mitsuro Moriya | 2003-07-29 |
| 6584046 | Method for reproducing information data from magneto-optical recording medium using linear polarized beam | Shinichi Konishi, Shin-ichi Tanaka, Kenji Koishi, Mitsurou Moriya, Yoshiho Gotoh +3 more | 2003-06-24 |
| 6574423 | High-resolution optical disk for recording stereoscopic video, optical disk reproducing device, and optical disk recording device | Yoshiichiro Kashiwagi, Takumi Hasebe, Kazuhiro Tsuga, Kazuhiko Nakamura, Yoshihiro Mori +6 more | 2003-06-03 |
| 6573819 | Optical disc for high resolution and three-dimensional image recording, optical disc reproducing device, and optical disc recording device | Hiromu Kitaura, Hideki Fukuda, Hideshi Ishihara, Toshiyuki Kawara | 2003-06-03 |
| 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, Shinichi Tanaka, Kenji Koishi, Mitsuro Moriya | 2003-04-22 |
| 6549716 | Communication system | — | 2003-04-15 |
| 6535985 | Data processing apparatus | Yoshihiro Gohara, Yoshinori Kobayashi, Shozo Fujiwara, Tsuyoshi Uemura | 2003-03-18 |