Issued Patents All Time
Showing 1–25 of 48 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8630069 | Magnetic shield having improved resistance to the hard bias magnetic field | Norihiro Okawa, Kouji Okazaki, Hiroshi Akiyama | 2014-01-14 |
| 7159303 | Method for manufacturing magnetic head device | Ryoichi Nakatani, Masahiro Kitada, Naoki Koyama, Isamu Yuito, Hisashi Takano +14 more | 2007-01-09 |
| 7157162 | Magnetic recording medium and magnetic recording and reproducing apparatus | Kazusuke Yamanaka, Tomoo Yamamoto, Yuzuru Hosoe, Nobuyuki Inaba, Yasutaro Uesaka +3 more | 2007-01-02 |
| 7056604 | Magnetic recording media and magnetic recording system using the same | Tetsuya Kanbe, Akira Ishikawa, Ichiro Tamai, Yotsuo Yahisa, Yuzuru Hosoe +7 more | 2006-06-06 |
| 7054120 | Magnetic apparatus with perpendicular recording medium and head having multilayered reproducing element using tunneling effect | Ryoichi Nakatani, Masahiro Kitada, Naoki Koyama, Isamu Yuito, Hisashi Takano +14 more | 2006-05-30 |
| 7005202 | Magnetic recording medium and magnetic recording apparatus | Tetsuya Kanbe, Yotsuo Yahisa, Jo Inagaki, Koji Sakamoto | 2006-02-28 |
| 6846577 | Magnetic recording medium possessing a fluctuation field of not less than 30 Oe | Kazusuke Yamanaka, Tomoo Yamamoto, Yuzuru Hosoe, Nobuyuki Inaba, Yasutaro Uesaka +3 more | 2005-01-25 |
| 6756113 | Magnetic recording medium and manufacturing method thereof | Koji Sakamoto, Tetsuya Kanbe, Yotsuo Yahisa | 2004-06-29 |
| 6703148 | Magnetic recording medium and magnetic disk apparatus using the same | Yotsuo Yahisa, Koji Sakamoto, Yuzuru Hosoe, Akira Kato | 2004-03-09 |
| 6692843 | Magnetic recording medium, method of fabricating magnetic recording medium, and magnetic storage | Akira Ishikawa, Yotsuo Yahisa, Yuzuru Hosoe, Tetsuya Kanbe, Koji Sakamoto | 2004-02-17 |
| 6687099 | Magnetic head with conductors formed on endlayers of a multilayer film having magnetic layer coercive force difference | Ryoichi Nakatani, Masahiro Kitada, Naoki Koyama, Isamu Yuito, Hisashi Takano +14 more | 2004-02-03 |
| 6627253 | Magnetic recording media for longitudinal recording, process for producing the same and magnetic memory apparatus | Hiroyuki Suzuki, Yoshihiro Shiroishi, Sadao Hishiyama, Tomoyuki Ohno, Yotsuo Yahisa +5 more | 2003-09-30 |
| 6623873 | Magnetic recording medium and magnetic disk apparatus using the same | Yotsuo Yahisa, Koji Sakamoto, Yuzuru Hosoe, Akira Kato | 2003-09-23 |
| 6623874 | Magnetic recording medium and magnetic recording apparatus | Tetsuya Kanbe, Yotsuo Yahisa, Jo Inagaki, Koji Sakamoto | 2003-09-23 |
| 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, Nobuyuki Inaba, Yasutaro Uesaka +3 more | 2003-09-02 |
| 6596420 | Magnetic recording media and magnetic recording system using the same | Tetsuya Kanbe, Akira Ishikawa, Ichiro Tamai, Yotsuo Yahisa, Yuzuru Hosoe +7 more | 2003-07-22 |
| 6544667 | Magnetic recording medium, producing method of the same and magnetic recording system | Yuzuru Hosoe, Yotsuo Yahisa, Kiwamu Tanahashi, Hiroyuki Suzuki, Koji Sakamoto +1 more | 2003-04-08 |
| 6483677 | Magnetic disk apparatus including magnetic head having multilayered reproducing element using tunneling effect | Ryoichi Nakatani, Masahiro Kitada, Naoki Koyama, Isamu Yuito, Hisashi Takano +14 more | 2002-11-19 |
| 6403240 | Magnetic recording media and magnetic recording system using the same | Tetsuya Kanbe, Akira Ishikawa, Ichiro Tamai, Yotsuo Yahisa, Yuzuru Hosoe +7 more | 2002-06-11 |
| 6372367 | Magnetic recording medium, method for producing the same and magnetic recording apparatus using the same | Yotsuo Yahisa, Hiroyuki Suzuki, Koji Sakamoto, Yoko Ogawa, Hiroshi Tani +3 more | 2002-04-16 |
| 6356406 | Magnetic storage system | Hisashi Takano, Mikio Suzuki | 2002-03-12 |
| 6335103 | Magnetic recording media for longitudinal recording | Hiroyuki Suzuki, Yoshihiro Shiroishi, Sadao Hishiyama, Tomoyuki Ohno, Yotsuo Yahisa +5 more | 2002-01-01 |
| 6310748 | Magnetic thin film magnetic recording medium | Kazusuke Yamanaka, Tomoo Yamamoto, Yuzuru Hosoe, Nobuyuki Inaba, Yasutaro Uesaka +3 more | 2001-10-30 |
| 6278593 | Magnetoresistance effect elements and magnetic heads using the tunneling magnetoresistive effect | Ryoichi Nakatani, Masahiro Kitada, Naoki Koyama, Isamu Yuito, Hisashi Takano +14 more | 2001-08-21 |
| 6197367 | Magnetic recording medium, method of fabricating magnetic recording medium, and magnetic storage | Akira Ishikawa, Yotsuo Yahisa, Yuzuru Hosoe, Tetsuya Kanbe, Koji Sakamoto | 2001-03-06 |