Issued Patents All Time
Showing 1–25 of 38 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9275672 | Magnetic head, magnetic recording method and apparatus for controlling magnetic head with spin torque oscillator in a disk drive | Yoshihiro Shiroishi, Hiroshi Fukuda, Harukazu Miyamoto, Katsuro Watanabe, Yoshiyuki Hirayama +1 more | 2016-03-01 |
| 8147941 | Multi-information-layer recording medium and manufacturing process | Yumiko Anzai, Toshimichi Shintani | 2012-04-03 |
| 8089841 | Reproducing signal measuring method, signal reproducing apparatus, and optical recording medium | Akemi Hirotsune, Hiroyuki Minemura, Takahiro Kurokawa, Harukazu Miyamoto | 2012-01-03 |
| 8085638 | Test-write method, information recording method, and information recording apparatus | Toshimichi Shintani, Hiroyuki Minemura | 2011-12-27 |
| 7957240 | Test writing method and information recording device | Hiroyuki Minemura | 2011-06-07 |
| 7911910 | Information recording method and apparatus with suppressed mark edge jitters | Makoto Miyamoto, Tsuyoshi Toda, Masatoshi Ohtake, Motoyasu Terao, Keikichi Andoo +4 more | 2011-03-22 |
| 7907491 | Information recording method and apparatus with suppressed mark edge jitters | Makoto Miyamoto, Tsuyoshi Toda, Masatoshi Ohtake, Motoyasu Terao, Keikichi Andoo +4 more | 2011-03-15 |
| 7907490 | Information recording method and apparatus with suppressed mark edge jitters | Makoto Miyamoto, Tsuyoshi Toda, Masatoshi Ohtake, Motoyasu Terao, Keikichi Andoo +4 more | 2011-03-15 |
| 7852727 | Information recording method and apparatus with suppressed mark edge jitters | Makoto Miyamoto, Tsuyoshi Toda, Masatoshi Ohtake, Motoyasu Terao, Keikichi Andoo +4 more | 2010-12-14 |
| 7764583 | Information recording method and information recording device | — | 2010-07-27 |
| 7751293 | Test-write method, information recording method, and information recording apparatus | Toshimichi Shintani, Hiroyuki Minemura | 2010-07-06 |
| 7688696 | Information recording method and information recording device | — | 2010-03-30 |
| 7684301 | Information recording method and apparatus with suppressed mark edge jitters | Makoto Miyamoto, Tsuyoshi Toda, Masatoshi Ohtake, Motoyasu Terao, Keikichi Andoo +4 more | 2010-03-23 |
| 7529165 | Test writing method and information recording device | Hiroyuki Minemura | 2009-05-05 |
| 7417933 | Information recording method and apparatus with suppressed mark edge jitters | Makoto Miyamoto, Tsuyoshi Toda, Masatoshi Ohtake, Motoyasu Terao, Keikichi Andoo +4 more | 2008-08-26 |
| 7215261 | DVD recording method and rewritable DVD apparatus | Hiroyuki Minemura | 2007-05-08 |
| 7042823 | Information recording method and apparatus with suppressed mark edge jitters | Makoto Miyamoto, Tsuyoshi Toda, Masatoshi Ohtake, Motoyasu Terao, Keikichi Andoo +4 more | 2006-05-09 |
| 7016282 | Information recording method and optical disk unit | Hiroyuki Minemura, Makoto Miyamoto | 2006-03-21 |
| 7012871 | Information recording method and apparatus with suppressed mark edge jitters | Makoto Miyamoto, Tsuyoshi Toda, Masatoshi Ohtake, Motoyasu Terao, Keikichi Andoo +4 more | 2006-03-14 |
| 7009532 | DVD recording method and rewritable DVD apparatus | Hiroyuki Minemura | 2006-03-07 |
| 6954941 | Information recording medium and information recording device | Makoto Miyamoto, Keikichi Ando, Yumiko Anzai, Akemi Hirotsune, Motoyasu Terao +3 more | 2005-10-11 |
| 6842412 | Information recording method and optical disc apparatus | Hiroyuki Minemura | 2005-01-11 |
| 6842415 | Information recording method and apparatus with suppressed mark edge jitters | Makoto Miyamoto, Tsuyoshi Toda, Masatoshi Ohtake, Motoyasu Terao, Keikichi Andoo +4 more | 2005-01-11 |
| 6806030 | Information recording medium and method for manufacturing information recording medium | Motoyasu Terao, Makoto Miyamoto, Yasushi Miyauchi, Keikichi Ando, Yumiko Anzai +3 more | 2004-10-19 |
| 6775226 | Optical recording medium having a plurality of interference layers of different refractive index | Makoto Miyamoto, Keikichi Andoo | 2004-08-10 |