Issued Patents All Time
Showing 26–50 of 59 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8048323 | Method for manufacturing magnetic recording medium and magnetic recording and reproducing apparatus | Masato Fukushima | 2011-11-01 |
| 7901803 | Perpendicular magnetic recording medium, manufacturing method therefor, and magnetic read/write apparatus using the same | Tomoyuki Maeda, Soichi Oikawa, Takeshi Iwasaki, Futoshi Nakamura, Hiroshi Sakai +1 more | 2011-03-08 |
| 7867638 | Magnetic recording medium, method for producing thereof, and magnetic recording and reproducing apparatus | Kenji Shimizu, Kazuo Kobayashi, Hiroshi Sakai, Soichi Oikawa, Takeshi Iwasaki +2 more | 2011-01-11 |
| 7781081 | Magnetic recording medium, manufacturing method for the magnetic recording medium, and magnetic read/write apparatus | Tomoyuki Maeda, Soichi Oikawa, Takeshi Iwasaki, Futoshi Nakamura, Hiroshi Sakai +1 more | 2010-08-24 |
| 7601445 | Perpendicular magnetic recording medium and magnetic recording/reproducing apparatus | Takeshi Iwasaki, Soichi Oikawa, Futoshi Nakamura, Tomoyuki Maeda, Hiroshi Sakai +1 more | 2009-10-13 |
| 7470474 | Magnetic recording medium, production process thereof, and magnetic recording and reproducing apparatus including both oxide and non-oxide perpendicular magnetic layers | Kenji Shimizu, Kazuo Kobayashi, Hiroshi Sakai, Soichi Oikawa, Takeshi Iwasaki +2 more | 2008-12-30 |
| 7289298 | Perpendicular magnetic recording medium, method for manufacturing the same, and magnetic recording/reproducing apparatus | Tomoyuki Maeda, Takashi Hikosaka, Futoshi Nakamura, Takeshi Iwasaki, Hiroshi Sakai +1 more | 2007-10-30 |
| 7252896 | Magnetic recording medium and magnetic recording/reproducing apparatus | Futoshi Nakamura, Takashi Hikosaka, Soichi Oikawa, Takeshi Iwasaki, Tomoyuki Maeda +2 more | 2007-08-07 |
| 7166376 | Magnetic recording medium including a high-magnetostriction layer and magnetic recording/reproducing apparatus | Takashi Hikosaka, Futoshi Nakamura, Soichi Oikawa, Takeshi Iwasaki, Tomoyuki Maeda +2 more | 2007-01-23 |
| 7141316 | Perpendicular magnetic recording medium and magnetic recording/reproducing apparatus | Takeshi Iwasaki, Takashi Hikosaka, Soichi Oikawa, Futoshi Nakamura, Tomoyuki Maeda +2 more | 2006-11-28 |
| 7141315 | Magnetic recording medium, method of manufacturing the same, and magnetic recording and reproduction apparatus | Kenji Shimizu, Hiroshi Sakai, Takashi Hikosaka, Futoshi Nakamura | 2006-11-28 |
| 7138194 | Magnetic recording medium, method of manufacture therefor, and magnetic read/write apparatus | Kenji Shimizu, Hiroshi Sakai, Takashi Hikosaka, Soichi Oikawa | 2006-11-21 |
| 7132176 | Perpendicular magnetic recording medium and magnetic recording/reproduction apparatus | Takeshi Iwasaki, Takashi Hikosaka, Soichi Oikawa, Futoshi Nakamura, Hiroshi Sakai +1 more | 2006-11-07 |
| 7106539 | Perpendicular magnetic recording apparatus | Yuka Aoyagi, Tsutomu Tanaka, Kenji Shimizu | 2006-09-12 |
| 7105239 | Perpendicular magnetic recording medium and magnetic recording/reproducing apparatus using the same | Soichi Oikawa, Takashi Hikosaka, Futoshi Nakamura, Takeshi Iwasaki, Hiroshi Sakai +1 more | 2006-09-12 |
| 7083870 | Magnetic recording medium, method of manufacturing the same, and magnetic recording and reproduction apparatus | Kenji Shimizu, Hiroshi Sakai, Takashi Hikosaka, Takeshi Iwasaki | 2006-08-01 |
| 7056606 | Magnetic recording medium, method manufacture therefor, and apparatus for magnetic reproducing and reproducing recordings | Kenji Shimizu, Hiroshi Sakai, Takashi Hikosaka, Soichi Oikawa | 2006-06-06 |
| 7033684 | Magnetic recording medium, method of manufacture thereof, and magnetic read/write apparatus | Kenji Shimizu, Hiroshi Sakai, Takashi Hikosaka, Soichi Oikawa | 2006-04-25 |
| 6942936 | Perpendicular magnetic recording medium and magnetic recording/reproduction apparatus | Soichi Oikawa, Takashi Hikosaka, Hiroshi Sakai, Kenji Shimizu | 2005-09-13 |
| 6902835 | Perpendicular magnetic recording medium and magnetic recording apparatus | Takashi Hikosaka, Takeshi Iwasaki, Futoshi Nakamura, Soichi Oikawa, Hiroshi Sakai +1 more | 2005-06-07 |
| 6884519 | Magnetic recording medium, including an HCP structured Ni-alloy control film method of manufacture therefor, and magnetic read/write apparatus | Kenji Shimizu, Hui Yang, Hiro Mochizuki, Hiroshi Sakai, Takashi Hikosaka +1 more | 2005-04-26 |
| 6844046 | Magnetic recording medium, production process thereof, magnetic recording and reproducing apparatus, and sputtering target | Masato Kokubu, Ryuji Sakaguchi, Hiroshi Sakai | 2005-01-18 |
| 6818331 | Magnetic recording medium, production process thereof, and magnetic recording and reproducing apparatus | Kenji Shimizu, Hiro Mochizuki, Masato Kokubu, Hui Yang, Masakazu Kobayashi +1 more | 2004-11-16 |
| 6815097 | Magnetic recording medium | Toshihiko Yoshikawa, Hiroshi Sakai | 2004-11-09 |
| 6808830 | Magnetic recording medium, production process and apparatus thereof, and magnetic recording and reproducing apparatus | Hiroshi Sakai | 2004-10-26 |