Issued Patents All Time
Showing 76–100 of 110 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6404576 | Method and system for compensation of nonlinearity or fluctuation of head-position signal | Takehiko Hamaguchi, Futoshi Tomiyama, Hideki Zaitsu | 2002-06-11 |
| 6404594 | Magnetic disk drive with integrated electrical conductors for recording element | Yohji Maruyama, Hiroshi Ikekame | 2002-06-11 |
| 6392849 | Magnetic head with dual spin valve element for differential operation | Yoji Maruyama, Yoshio Suzuki, Ryoichi Nakatani | 2002-05-21 |
| 6385009 | Thin film magnetic head and assembled construction thereof | Masaaki Sano, Yoshiaki Kita, Shun-ichi Narumi, Takashi Kawabe, Moriaki Fuyama +2 more | 2002-05-07 |
| 6356406 | Magnetic storage system | Yoshibumi Matsuda, Mikio Suzuki | 2002-03-12 |
| 6327112 | Adjacent track position detectable information storage apparatus | Hiroshi Ide, Futoshi Tomiyama, Yasutaka Nishida, Takehiko Hamaguchi, Yohji Maruyama +2 more | 2001-12-04 |
| 6310741 | Magnetic disk apparatus with data track reassigning function | Yasutaka Nishida, Takehiko Hamaguchi, Hiroshi Ide, Hideki Sawaguchi, Futoshi Tomiyama | 2001-10-30 |
| 6307707 | Narrow track thin film head including magnetic poles machined by focused ion beam etching | Naoki Koyama, Hideo Tanabe, Eijin Moriwaki, Isamu Yuito, Kazuo Shiiki +5 more | 2001-10-23 |
| 6297929 | Magnetic storage apparatus | Masahiro Kitada, Mikio Suzuki | 2001-10-02 |
| 6278593 | Magnetoresistance effect elements and magnetic heads using the tunneling magnetoresistive effect | Ryoichi Nakatani, Masahiro Kitada, Naoki Koyama, Isamu Yuito, Eijin Moriwaki +14 more | 2001-08-21 |
| 6278578 | Narrow track thin film head having a focused ion beam etched air bearing surface | Naoki Koyama, Hideo Tanabe, Eijin Moriwaki, Isamu Yuito, Kazuo Shiiki +5 more | 2001-08-21 |
| 6262867 | Thin film magnetic head with Ni-Fe alloy thin film | Masaaki Sano, Yoshiaki Kita, Shun-ichi Narumi, Takashi Kawabe, Moriaki Fuyama +2 more | 2001-07-17 |
| 6118628 | Thin film magnetic head with Ni-Fe alloy thin film | Masaaki Sano, Yoshiaki Kita, Shun-ichi Narumi, Takashi Kawabe, Moriaki Fuyama +2 more | 2000-09-12 |
| 6111723 | Narrow track thin film magnetic head suitable for high density recording and reproducing operations and fabrication method thereof wherein an air bearing surface has at least one groove containing a non-magnetic electrically conductive layer | Naoki Koyama, Hideo Tanabe, Eijin Moriwaki, Isamu Yuito, Kazuo Shiiki +5 more | 2000-08-29 |
| 6104574 | Magnetic head with a magnetic pole sandwiched between conductive materials | Yohji Maruyama, Makoto Aihara, Takashi Kawabe, Moriaki Fuyama | 2000-08-15 |
| 6091582 | Thin film magnetic recording head with very narrow track width performing high density recording at high driving frequency | Matahiro Komuro, Tomohiro Okada, Moriaki Fuyama, Tetsuo Ito, Hiroshi Fukui +2 more | 2000-07-18 |
| 6064546 | Magnetic storage apparatus | Masahiro Kitada, Mikio Suzuki | 2000-05-16 |
| 6011674 | Magnetoresistance effect multilayer film with ferromagnetic film sublayers of different ferromagnetic material compositions | Ryoichi Nakatani, Masahiro Kitada, Naoki Koyama, Isamu Yuito, Eijin Moriwaki +14 more | 2000-01-04 |
| 5910871 | Magnetic head having track width specified by grooves formed with projection ion beam | Yoshimi Kawanami, Kaoru Umemura, Yuichi Madokoro, Satoshi Tomimatsu | 1999-06-08 |
| 5850326 | Narrow track thin film magnetic head suitable for high density recording and reproducing operations and fabrication method thereof wherein an air bearing surface has at least one groove containing a non-magnetic electrically conductive layer | Naoki Koyama, Hideo Tanabe, Eijin Moriwaki, Isamu Yuito, Kazuo Shiiki +5 more | 1998-12-15 |
| 5766718 | Longitudinal magnetic recording medium and apparatus | Yoshibumi Matsuda, Masaaki Futamoto, Fumio Kugiya, Yoshinori Miyamura, Takeshi Nakano +3 more | 1998-06-16 |
| 5736235 | Magnetic recording medium having at least two magnetic layers with easy axes oriented in the same direction | Yoshibumi Matsuda, Masaaki Futamoto, Yoshinori Miyamura, Tokuho Takagaki, Fumio Kugiya +5 more | 1998-04-07 |
| 5726837 | Multilayer magnetoresistance effect-type magnetic head | Ryoichi Nakatani, Masahiro Kitada, Naoki Koyama, Isamu Yuito, Eijin Moriwaki +14 more | 1998-03-10 |
| 5568331 | Method of head positioning and magnetic recording disk drive using the same | Kyo Akagi, Masaaki Futamoto, Fumio Kugiya, Yoshinori Miyamura, Yoshibumi Matsuda +8 more | 1996-10-22 |
| 5402295 | Magnetic recording head capable of defining narrow track width and magnetic recording apparatus using the same | Hiroshi Suzuki, Hideo Todokoro, Hiroyuki Shinada | 1995-03-28 |