| 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 |
$211,000 |
| 6335103 |
Magnetic recording media for longitudinal recording |
Hiroyuki Suzuki, Yoshihiro Shiroishi, Sadao Hishiyama, Tomoyuki Ohno, Yotsuo Yahisa +5 more |
2002-01-01 |
|
| 6303205 |
Magnetic disk including protective layer having surface with protrusions, and substrate therefor |
Hideaki Tanaka, Kenichi Gomi, Yoshihiko Miyake, Sigeru Sano, Youichi Inomata +2 more |
2001-10-16 |
$194,000 |
| 6057021 |
Magnetic recording media and magnetic recording system using the same |
Akira Ishikawa, Yuzuru Hosoe, Yoshihiro Shiroishi, Masatoshi Takeshita, Yotsuo Yahisa +6 more |
2000-05-02 |
$780,000 |
| 5930073 |
Magnetic disk including protective layer having surface with magnetic disk including protrusions, and magnetic disk apparatus including the magnetic disk |
Hideaki Tanaka, Kenichi Gomi, Yoshihiko Miyake, Sigeru Sano, Youichi Inomata +2 more |
1999-07-27 |
$396,000 |
| 5750230 |
Magnetic recording media and magnetic recording system using the same |
Akira Ishikawa, Yuzuru Hosoe, Yoshihiro Shiroishi, Masatoshi Takeshita, Yotsuo Yahisa +6 more |
1998-05-12 |
$128,000 |
| 5665478 |
Magnetic recording media for longitudinal recording |
Hiroyuki Suzuki, Yoshihiro Shiroishi, Sadao Hishiyama, Tomoyuki Ohno, Yotsuo Yahisa +5 more |
1997-09-09 |
$93,000 |
| 5656349 |
Magnetic disk, method of manufacturing the same and magnetic disk apparatus including the magnetic disk |
Kenichi Gomi, Hideaki Tanaka, Hiroyuki Sugimoto, Shoichi Sawahata, Yoshihiko Miyake +4 more |
1997-08-12 |
$125,000 |
| RE35490 |
Thin film magnetic head having magnetic layers of different thickness and manufacturing method therefor |
Makoto Saito |
1997-04-08 |
|
| 5504646 |
Magnetic disk including protective layer having surface with protusions and magnetic disk apparatus including the magnetic disk |
Hideaki Tanaka, Kenichi Gomi, Yoshihiko Miyake, Sigeru Sano, Youichi Inomata +2 more |
1996-04-02 |
$98,000 |
| 5500296 |
Magnetic recording medium, process for producing magnetic recording medium, apparatus for producing magnetic recording medium, and magnetic recording apparatus |
Youichi Inoue, Yoshihiro Sato, Shinichi Hirose, Hiroshi Tani, Katsuyuki Tanaka +2 more |
1996-03-19 |
$269,000 |
| 5411630 |
Magnetic disk manufacturing method |
Norikazu Nagase, Yoshihiro Moriguchi, Youichi Inomata, Hiroshi Yashiki, Yoshiki Kato |
1995-05-02 |
$51,000 |
| 5353182 |
Magnetic disk unit having magnetic disks and a magnetic head with a head slider which is in contact with surfaces of the magnetic disk |
Takao Nakamura, Nobuya Sekiyama, Yoshiki Kato, Noriaki Okamoto, Masami Masuda |
1994-10-04 |
$64,000 |
| 5285343 |
Magnetic disk with surface protective layer having convex portions and magnetic disk apparatus including such a magnetic disk |
Hideaki Tanaka, Kenichi Gomi, Shoichi Sawahata, Maki Kondo, Norikazu Tsumita +6 more |
1994-02-08 |
$87,000 |
| 5280401 |
Magnetic recording medium, method for producing same and magnetic recording apparatus |
Youichi Inomata, Yoshiki Kato |
1994-01-18 |
$107,000 |
| 5272581 |
Disk-type recording medium and storage apparatus |
Shyuichi Kojima, Hiroyuki Suzuki, Akira Kato, Keigo Iechika, Mikio Takada |
1993-12-21 |
$73,000 |
| 5202810 |
Magnetic disk having an improved surface configuration |
Takao Nakamura, Nobuya Sekiyama, Yoshiki Kato, Noriaki Okamoto, Masami Masuda |
1993-04-13 |
$55,000 |
| 5158833 |
Magnetic recording medium |
Shinya Matsuoka, Takaaki Shirakura, Yoshihiro Shiraisi |
1992-10-27 |
$52,000 |
| 5147732 |
Longitudinal magnetic recording media and magnetic memory units |
Yoshihiro Shiroishi, Takeo Yamashita, Sadao Hishiyama, Noriyuki Kumasaka, Yoshibumi Matsuda +4 more |
1992-09-15 |
$39,000 |
| 5143794 |
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 |
1992-09-01 |
$29,000 |
| 4939614 |
Magnetic disk medium with circumferentially textured surfaces and varied surface roughness and method of producing the same |
Takaaki Shirakura, Shinya Matsuoka, Hiroshi Yashiki, Masanori Arayashiki |
1990-07-03 |
$26,000 |
| 4939045 |
Magnetic recording medium |
Kazuetsu Yoshida, Yoshihiro Shiroishi, Makoto Saito, Norikazu Tsumita, Takeo Yamashita +8 more |
1990-07-03 |
$26,000 |
| 4883711 |
Magnetic recording medium |
Yoshihiro Shiroishi, Sadao Hishiyama, Hiroyuki Suzuki, Tomoyuki Ohno, Yoshibumi Matsuda +4 more |
1989-11-28 |
$47,000 |
| 4841402 |
Thin film magnetic head and method of manufacture |
Tadashi Imanaka, Masayuki Takagi, Eisei Togawa, Harunobu Saito, Sadanori Nagaike |
1989-06-20 |
$32,000 |
| 4833020 |
Magnetic recording medium |
Yoshihiro Shiroishi, Sadao Hishiyama, Hiroyuki Suzuki, Tomoyuki Ohno, Yoshibumi Matsuda +4 more |
1989-05-23 |
$36,000 |
