Issued Patents All Time
Showing 25 most recent of 44 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7157162 | Magnetic recording medium and magnetic recording and reproducing apparatus | Kazusuke Yamanaka, Tomoo Yamamoto, Yuzuru Hosoe, Yasutaro Uesaka, Masaaki Futamoto +3 more | 2007-01-02 |
| 6970400 | Information recording medium with magnetic marks, recording and reproducing apparatus therefor, and head positioning method using detected magnetic leakage fields from the magnetic marks | Kouichirou Wakabayashi, Tsuyoshi Onuma, Teruaki Takeuchi, Fumiyoshi Kirino | 2005-11-29 |
| 6893746 | Magnetic recording medium with high thermal stability, method for producing the same, and magnetic recording apparatus | Fumiyoshi Kirino, Norio Ohta, Kouichirou Wakabayashi, Teruaki Takeuchi, Harumi Hieida +5 more | 2005-05-17 |
| 6876506 | Information recording medium, information recording/reproducing head, and information storage device | Koichiro Wakabayashi, Teruaki Takeuchi | 2005-04-05 |
| 6863998 | Magnetic recording medium, method for producing the same, and magnetic recording apparatus | Tetsunori Koda, Hideaki Yamanaka, Enji Fujita, Satoshi Matsunuma | 2005-03-08 |
| 6846583 | Magnetic recording medium and magnetic recording apparatus | Tetsunori Kouda, Hideaki Yamanaka, Satoshi Matsunuma, Enji Fujita | 2005-01-25 |
| 6846577 | Magnetic recording medium possessing a fluctuation field of not less than 30 Oe | Kazusuke Yamanaka, Tomoo Yamamoto, Yuzuru Hosoe, Yasutaro Uesaka, Masaaki Futamoto +3 more | 2005-01-25 |
| 6749955 | Information recording media and information recording drive | Fumiyoshi Kirino, Hiroki Yamamoto, Takashi Naitou, Ken Takahashi, Eiji Koyama +3 more | 2004-06-15 |
| 6746749 | Magnetic recording disk | Fumiyoshi Kirino, Hiroki Yamamoto, Ken Takahashi, Takashi Naitou, Motoyasu Terao +3 more | 2004-06-08 |
| 6730421 | Magnetic recording medium and its production method, and magnetic recorder | Fumiyoshi Kirino, Teruaki Takeuchi, Kouichirou Wakabayashi | 2004-05-04 |
| 6716516 | Magnetic recording medium and magnetic recording apparatus using the same | Masaaki Futamoto, Yoshiyuki Hirayama, Yukio Honda, Kazuetsu Yoshida, Kenya Ito | 2004-04-06 |
| 6699602 | Amorphous magnetic recording medium, process for producing the same and magnetic recording and reproduction apparatus | Mitsutoshi Honda, Hiroki Yamamoto, Takashi Naito, Tatsumi Hirano, Tetsuo Nakazawa +4 more | 2004-03-02 |
| 6674594 | Read/write head and magnetic recording device | Kouichirou Wakabayashi, Teruaki Takeuchi | 2004-01-06 |
| 6627255 | Method of manufacturing a magnetic recording media | Tomoo Yamamoto, Teruaki Takeuchi, Masukazu Igarashi, Yoshio Takahashi | 2003-09-30 |
| 6613428 | Magnetic recording medium and magnetic recording and reproducing apparatus wherein the magnetic layer has a fluctuation of field; A or Hf of not less than 30 Oersteds | Kazusuke Yamanaka, Tomoo Yamamoto, Yuzuru Hosoe, Yasutaro Uesaka, Masaaki Futamoto +3 more | 2003-09-02 |
| 6607849 | Magnetic recording medium and magnetic recording apparatus using the same | Masaaki Futamoto, Yoshiyuki Hirayama, Yukio Honda, Kazuetsu Yoshida, Kenya Ito | 2003-08-19 |
| 6592976 | Magnetic recording medium and magnetic recording apparatus using the same | Masaaki Futamoto, Yoshiyuki Hirayama, Yukio Honda, Kazuetsu Yoshida, Kenya Ito | 2003-07-15 |
| 6572988 | Magnetic recording medium and magnetic recording apparatus | Kazuetsu Yoshida, Kazusuke Yamanaka, Fumiyoshi Kirino, Masaaki Futamoto | 2003-06-03 |
| 6544672 | Magnetic recording medium and magnetic storage | Masaaki Futamoto, Tomoo Yamamoto, Masukazu Igarashi, Yuzuru Hosoe, Akira Ishikawa | 2003-04-08 |
| 6541125 | Magnetic recording medium | Masaaki Futamoto, Yoshiyuki Hirayama, Teruaki Takeuchi, Yukio Honda | 2003-04-01 |
| 6534206 | Information recording media and information recording drive | Fumiyoshi Kirino, Hiroki Yamamoto, Takashi Naitou, Ken Takahashi, Eiji Koyama +3 more | 2003-03-18 |
| 6534164 | Magnetic recording medium and magnetic recording apparatus using the same | Masaaki Futamoto, Yoshiyuki Hirayama, Yukio Honda, Kazuetsu Yoshida, Kenya Ito | 2003-03-18 |
| 6525532 | Magnetic device | Toshihiko Sato, Ryoichi Nakatani | 2003-02-25 |
| 6472047 | Magnetic recording disk | Fumiyoshi Kirino, Hiroki Yamamoto, Ken Takahashi, Takashi Naitou, Motoyasu Terao +3 more | 2002-10-29 |
| 6447936 | Magnetic recording medium and magnetic recording apparatus using the same | Masaaki Futamoto, Yoshiyuki Hirayama, Yukio Honda, Kazuetsu Yoshida, Kenya Ito | 2002-09-10 |