Issued Patents All Time
Showing 1–25 of 69 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8472291 | 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, Shinichi Tanaka, Kenji Koishi | 2013-06-25 |
| 8295135 | Optical disc, optical disc manufacturing method, optical disc recording device and optical disc reproduction device | Masaru Yamaoka, Mamoru Shoji, Keiji Nishikiori, Makoto Usui | 2012-10-23 |
| 8270285 | Optical disc, optical disc manufacturing method, optical disc recording device and optical disc reproduction device | Masaru Yamaoka, Mamoru Shoji, Keiji Nishikiori, Makoto Usui | 2012-09-18 |
| 8040785 | Optical disc, optical disc manufacturing method, optical disc recording device and optical disc reproduction device | Masaru Yamaoka, Mamoru Shoji, Keiji Nishikiori, Makoto Usui | 2011-10-18 |
| 8014236 | 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, Shinichi Tanaka, Kenji Koishi | 2011-09-06 |
| 7520001 | 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, Shinichi Tanaka, Kenji Koishi | 2009-04-14 |
| 7110544 | 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, Shinichi Tanaka, Kenji Koishi | 2006-09-19 |
| 7103781 | 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, Shinichi Tanaka, Kenji Koishi | 2006-09-05 |
| 7099245 | Optical disk, and method and apparatus for reproducing information recorded in optical disk | Takashi Yumiba, Teruyuki Takizawa, Mitsuaki Oshima, Akihiko Nishioka, Koichi Morioka | 2006-08-29 |
| 7095697 | 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, Shinichi Tanaka, Kenji Koishi | 2006-08-22 |
| 7079477 | Optical information medium, recording and reproduction apparatus, and recording and reproduction method | Hiromichi Ishibashi | 2006-07-18 |
| 6891788 | Optical disk, and method and apparatus for reproducing information recorded in optical disk | Takashi Yumiba, Teruyuki Takizawa, Mitsuaki Oshima, Akihiko Nishioka, Koichi Morioka | 2005-05-10 |
| 6862685 | 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, Shinichi Tanaka, Kenji Koishi | 2005-03-01 |
| 6757391 | 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 A OPTICAL DISK, AND A METHOD OF MANUFACTURING AN OPTICAL DISK | Yoshiho Gotoh, Mitsuaki Oshima, Shinichi Tanaka, Kenji Koishi | 2004-06-29 |
| 6728882 | 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, Shinichi Tanaka, Kenji Koishi | 2004-04-27 |
| 6661768 | Optical disk, and method and apparatus for reproducing information recorded in optical disk | Takashi Yumiba, Teruyuki Takizawa, Mitsuaki Oshima, Akihiko Nishioka, Koichi Morioka | 2003-12-09 |
| 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, Shinichi Tanaka, Kenji Koishi | 2003-09-09 |
| 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, Shinichi Tanaka, Kenji Koishi | 2003-07-29 |
| 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, Shinichi Tanaka, Kenji Koishi | 2003-04-22 |
| 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 | Yoshiho Gotoh, Mitsuaki Oshima, Shinichi Tanaka, Kenji Koishi | 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 | Yoshiho Gotoh, Mitsuaki Oshima, Shinichi Tanaka, Kenji Koishi | 2002-10-22 |
| 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 | Yoshiho Gotoh, Mitsuaki Oshima, Shinichi Tanaka, Kenji Koishi | 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 | Yoshiho Gotoh, Mitsuaki Oshima, Shinichi Tanaka, Kenji Koishi | 2002-09-10 |
| 6356522 | Optical disk drive | Takeharu Yamamoto, Katsuya Watanabe, Hiromichi Ishibashi, Takashi Kishimoto | 2002-03-12 |
| 6298138 | 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, Shinichi Tanaka, Kenji Koishi | 2001-10-02 |