Issued Patents All Time
Showing 1–25 of 37 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7924693 | Optical disk and optical disk drive device | Kyosuke Yoshimoto, Mahesh C. Rao, Hiroyuki Ohata, Kazuhiko Nakane, Junichi Kondo +1 more | 2011-04-12 |
| 7548497 | Optical disk and optical disk drive device | Kyosuke Yoshimoto, Mahesh C. Rao, Hiroyuki Ohata, Kazuhiko Nakane, Junichi Kondo +1 more | 2009-06-16 |
| 7254104 | Optical disk and optical disk drive device | Kyosuke Yoshimoto, Kazuhiko Nakane | 2007-08-07 |
| 7227815 | Optical disk and optical disk drive device | Kyosuke Yoshimoto, Mabesh Chandra Rao, Hiroyuki Ohata, Kazuhiko Nakane, Junichi Kondo +1 more | 2007-06-05 |
| 7207051 | Optical disk and optical disk drive device | Kyosuke Yoshimoto, M. C. Rao, Hiroyuki Ohata, Kazuhiko Nakane, Junichi Kondo +1 more | 2007-04-17 |
| 7164641 | Optical disk and optical disk drive device | Kyosuke Yoshimoto, Mahesh C. Rao, Hiroyuki Ohata, Kazuhiko Nakane, Junichi Kondo +1 more | 2007-01-16 |
| 6930965 | Optical disk and optical disk drive device | Kyosuke Yoshimoto, Mahesh C. Rao, Hiroyuki Ohata, Kazuhiko Nakane, Junichi Kondo +1 more | 2005-08-16 |
| 6853611 | Optical disk and optical disk drive device | Kyosuke Yoshimoto, M. C. Rao, Hiroyuki Ohata, Kazuhiko Nakane, Junichi Kondo +1 more | 2005-02-08 |
| 6834033 | Optical disk and optical disk drive device | Kyosuke Yoshimoto, M. C. Rao, Hiroyuki Ohata, Kazuhiko Nakane, Junichi Kondo +1 more | 2004-12-21 |
| 6775220 | Optical disk and optical disk drive device | Kyosuke Yoshimoto, M. C. Rao, Hiroyuki Ohata, Kazuhiko Nakane, Junichi Kondo +1 more | 2004-08-10 |
| 6633525 | Optical disk having an attribute which designates whether a recording area permits rewriting or not | Kyosuke Yoshimoto, M. C. Rao, Hiroyuki Ohata, Kazuhiko Nakane, Junichi Kondo +1 more | 2003-10-14 |
| 6529451 | Optical disk and optical disk drive device | Kyosuke Yoshimoto, M. C. Rao, Hiroyuki Ohata, Kazuhiko Nakane, Junichi Kondo +1 more | 2003-03-04 |
| 6526019 | Optical disk having a recording area on each side and attribute data designating each recording area as rewriteable or not rewriteable | Kyosuke Yoshimoto, M. C. Rao, Hiroyuki Ohata, Kazuhiko Nakane, Junichi Kondo +1 more | 2003-02-25 |
| 6434099 | Optical disk having an attribute which designates whether a recording area permits rewriting or not | Kyosuke Yoshimoto, M. C. Rao, Hiroyuki Ohata, Kazuhiko Nakane, Junichi Kondo +1 more | 2002-08-13 |
| 6229784 | Optical disk having an attribute which designates whether a recording area permits rewriting or not | Kyosuke Yoshimoto, M. C. Rao, Hiroyuki Ohata, Kazuhiko Nakane, Junichi Kondo +1 more | 2001-05-08 |
| 6151292 | Optical disk having sequentially numbered sectors and logical tracks formed by a series of 2.sup.n sectors, and disk drive apparatus for using such an optical disk | Kyosuke Yoshimoto, Kazuhiko Nakane | 2000-11-21 |
| 5953309 | Optical disk having logical tracks and dummy sectors in each zone, and optical disk drive device for such an optical disk | Kyosuke Yoshimoto, Kazuhiko Nakane, Masafumi Ototake | 1999-09-14 |
| 5825728 | Optical disk and optical disk drive device | Kyosuke Yoshimoto, M. C. Rao, Hiroyuki Ohata, Kazuhiko Nakane, Junichi Kondo +1 more | 1998-10-20 |
| 5717683 | Optical disk and optical disk drive device | Kyosuke Yoshimoto, M. C. Rao, Hiroyuki Ohata, Kazuhiko Nakane, Junichi Kondo +1 more | 1998-02-10 |
| 5592452 | Optical disk with logical tracks formed thereon and optical disk drive device | Kyosuke Yoshimoto, M. C. Rao, Hiroyuki Ohata, Kazuhiko Nakane, Jinichi Kondo +1 more | 1997-01-07 |
| 5442608 | Disk apparatus having a power consumption reducing mechanism | Yoshiaki Umeda, Masaharu Ogawa, Kazuhiko Nakane, Akira Mashimo, Tetsuro Araki +4 more | 1995-08-15 |
| 5321675 | Pit spacing in the servo field of an optical disk for speed and direction detection and data retrieval | Osamu Ito, Masaharu Ogawa, Kyosuke Yoshimoto, Kunimaro Tanaka, Masafumi Ototake | 1994-06-14 |
| 5309415 | Information recording method for overwriting a magneto-optic recording medium with two intensities of light beams | Koichi Takeuchi, Osamu Ito, Kyosuke Yoshimoto, Kunimaro Tanaka, Isao Watanabe +6 more | 1994-05-03 |
| 5278815 | Digital data reproducing apparatus | Akira Mashimo, Mitsumasa Kubo, Fumio Hishiyama, Masayoshi Shimamoto | 1994-01-11 |
| 5272684 | Information recording method and information recording apparatus for magneto-optic recording information medium | Koichi Takeuchi, Osamu Ito, Kyosuke Yoshimoto, Kunimaro Tanaka, Isao Watanabe +6 more | 1993-12-21 |