Issued Patents All Time
Showing 1–25 of 37 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7399540 | Perpendicular magnetic recording media, magnetic recording apparatus | Masaaki Futamoto, Yukio Honda, Yoshiyuki Hirayama, Atsushi Kikugawa | 2008-07-15 |
| 7147941 | Perpendicular magnetic recording media, magnetic recording apparatus | Masaaki Futamoto, Yukio Honda, Yoshiyuki Hirayama, Atsushi Kikugawa | 2006-12-12 |
| 6852398 | Perpendicular-magnetic recording media and magnetic recording apparatus | Masaaki Futamoto, Yoshiyuki Hirayama | 2005-02-08 |
| 6778471 | Magnetic recording device | Hiroaki Nemoto, Hideki Saga | 2004-08-17 |
| 6728051 | Recording equalizer and magnetic recording/reproducing apparatus using the equalizer | Masukazu Igarashi, Yohji Maruyama, Ikuo Saitoh | 2004-04-27 |
| 6716516 | Magnetic recording medium and magnetic recording apparatus using the same | Masaaki Futamoto, Nobuyuki Inaba, Yoshiyuki Hirayama, Yukio Honda, Kenya Ito | 2004-04-06 |
| 6686070 | Perpendicular magnetic recording media, magnetic recording apparatus | Masaaki Futamoto, Yukio Honda, Yoshiyuki Hirayama, Atsushi Kikugawa | 2004-02-03 |
| 6671116 | Magnetic recording system including magnetic recording medium having three-dimensional random orientation of axis of easy magnetization | Fumiko Akagi, Masukazu Igarashi, Akira Ishikawa | 2003-12-30 |
| 6641901 | Perpendicular-magnetic recording media and magnetic recording apparatus | Masaaki Futamoto, Yoshiyuki Hirayama | 2003-11-04 |
| 6607849 | Magnetic recording medium and magnetic recording apparatus using the same | Masaaki Futamoto, Nobuyuki Inaba, Yoshiyuki Hirayama, Yukio Honda, Kenya Ito | 2003-08-19 |
| 6592976 | Magnetic recording medium and magnetic recording apparatus using the same | Masaaki Futamoto, Nobuyuki Inaba, Yoshiyuki Hirayama, Yukio Honda, Kenya Ito | 2003-07-15 |
| 6572988 | Magnetic recording medium and magnetic recording apparatus | Nobuyuki Inaba, Kazusuke Yamanaka, Fumiyoshi Kirino, Masaaki Futamoto | 2003-06-03 |
| 6549355 | Recording equalizer and magnetic recording/reproducing apparatus using the equalizer | Masukazu Igarashi, Yohji Maruyama, Ikuo Saitoh | 2003-04-15 |
| 6534164 | Magnetic recording medium and magnetic recording apparatus using the same | Masaaki Futamoto, Nobuyuki Inaba, Yoshiyuki Hirayama, Yukio Honda, Kenya Ito | 2003-03-18 |
| 6528149 | Perpendicular-magnetic recording media and magnetic recording apparatus | Masaaki Futamoto, Yoshiyuki Hirayama | 2003-03-04 |
| 6487031 | Recording equalizer and magnetic recording/reproducing apparatus using the equalizer | Masukazu Igarashi, Yohji Maruyama, Ikuo Saitoh | 2002-11-26 |
| 6456448 | Magnetic recording system including magnetic recording medium having three-dimensional random orientation of axis of easy magnetization | Fumiko Akagi, Masukazu Igarashi, Akira Ishikawa | 2002-09-24 |
| 6447936 | Magnetic recording medium and magnetic recording apparatus using the same | Masaaki Futamoto, Nobuyuki Inaba, Yoshiyuki Hirayama, Yukio Honda, Kenya Ito | 2002-09-10 |
| 6403203 | Magnetic recording medium and magnetic recording apparatus using the same | Masaaki Futamoto, Nobuyuki Inaba, Yoshiyuki Hirayama, Yukio Honda, Kenya Ito | 2002-06-11 |
| 6356402 | Recording equalizer and magnetic recording/reproducing apparatus using the equalizer | Masukazu Igarashi, Yohji Maruyama, Ikuo Saitoh | 2002-03-12 |
| 6349008 | Magnetic recording media, magnetic heads and magnetic read-write apparatus using the same | Takanobu Takayama, Kiwamu Tanahashi, Mikio Suzuki, Yoshiyuki Hirayama, Masaaki Futamoto +1 more | 2002-02-19 |
| 6288981 | Magneto-optical recording device using magneto-resistive head | Hiroaki Nemoto, Hideki Saga | 2001-09-11 |
| 6212024 | Recording equalizer and magnetic recording/reproducing apparatus performing write timing compensation | Masukazu Igarashi, Yohji Maruyama, Ikuo Saitoh | 2001-04-03 |
| 6183893 | Perpendicular magnetic recording medium and magnetic storage apparatus using the same | Masaaki Futamoto, Yoshiyuki Hirayama, Kenya Ito, Yukio Honda, Nobuyuki Inaba | 2001-02-06 |
| 5875082 | Magnetic recording media, magnetic heads and magnetic read-write apparatus using the same | Takanobu Takayama, Kiwamu Tanahashi, Mikio Suzuki, Yoshiyuki Hirayama, Masaaki Futamoto +1 more | 1999-02-23 |