Issued Patents All Time
Showing 101–125 of 131 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6295257 | Information recording medium, information recording method, information recording apparatus and information reproducing apparatus | Motoshi Ito, Hiroshi Ueda, Yoshihisa Fukushima | 2001-09-25 |
| 6292445 | Information recording medium, information recording method, information recording apparatus and information reproducing apparatus | Motoshi Ito, Hiroshi Ueda, Yoshihisa Fukushima | 2001-09-18 |
| 6292625 | Recording/reproducing method suitable for recording/reproducing AV data on/from disc, recorder and reproducer for the method, information recording disc and information processing system | Hiroshi Ueda, Yoshihisa Fukushima | 2001-09-18 |
| 6285762 | Optical disk, optical disk barcode forming method, optical disk reproduction apparatus, marking forming apparatus, 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 | 2001-09-04 |
| 6285763 | 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 | 2001-09-04 |
| 6285764 | 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 | 2001-09-04 |
| 6285827 | 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 | 2001-09-04 |
| 6282365 | Recording/reproducing method suitable for recording/reproducing AV data on/from disc, recorder and reproducer for the method, information recording disc and information processing system | Hiroshi Ueda, Yoshihisa Fukushima | 2001-08-28 |
| 6278671 | 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 | 2001-08-21 |
| 6266299 | Magneto-optical disk having write-once identification marks and method for recording thereof | Mitsuaki Oshima, Shinichi Konishi, Shin-ichi Tanaka, Kenji Koishi, Mitsurou Moriya +3 more | 2001-07-24 |
| 6243086 | Reproduction apparatus | Hitoshi Kawamukai | 2001-06-05 |
| 6229896 | Optical disk, an optical 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 | 2001-05-08 |
| 6208736 | 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 | 2001-03-27 |
| 6175629 | 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 | 2001-01-16 |
| 6160888 | 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 | 2000-12-12 |
| 6160778 | Information recording medium, information recording method, information recording apparatus and information reproducing apparatus | Motoshi Ito, Hiroshi Ueda, Yoshihisa Fukushima | 2000-12-12 |
| 6144742 | 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 | 2000-11-07 |
| 6141419 | 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 | 2000-10-31 |
| 6128388 | 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 | 2000-10-03 |
| 6125181 | Optical disk, an optical disk barcode forming method, an optical 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 | 2000-09-26 |
| 6122373 | Optical disk, optical disk barcode forming method, 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 | 2000-09-19 |
| 6118924 | 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 | 2000-09-12 |
| 6081785 | Optical disk, optical recorder, optical reproducer, crytocommunication system and program license system | Mitsuaki Oshima, Shinichi Tanaka, Kenji Koishi, Mitsurou Moriya, Yoshinari Takemura | 2000-06-27 |
| 6052465 | 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 | 2000-04-18 |
| 5881038 | Method and apparatus for preventing illegal copy or illegal installation of information of optical recording medium | Mitsuaki Oshima | 1999-03-09 |