Issued Patents All Time
Showing 25 most recent of 36 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7292417 | Magnetic apparatus with perpendicular recording medium and head having multilayered reproducing element using tunneling effect | Ryoichi Nakatani, Hisashi Takano, Hideo Tanabe, Noboru Shimizu | 2007-11-06 |
| 7159303 | Method for manufacturing magnetic head device | Ryoichi Nakatani, Naoki Koyama, Isamu Yuito, Hisashi Takano, Eijin Moriwaki +14 more | 2007-01-09 |
| 7054120 | Magnetic apparatus with perpendicular recording medium and head having multilayered reproducing element using tunneling effect | Ryoichi Nakatani, Naoki Koyama, Isamu Yuito, Hisashi Takano, Eijin Moriwaki +14 more | 2006-05-30 |
| 6687099 | Magnetic head with conductors formed on endlayers of a multilayer film having magnetic layer coercive force difference | Ryoichi Nakatani, Naoki Koyama, Isamu Yuito, Hisashi Takano, Eijin Moriwaki +14 more | 2004-02-03 |
| 6483677 | Magnetic disk apparatus including magnetic head having multilayered reproducing element using tunneling effect | Ryoichi Nakatani, Naoki Koyama, Isamu Yuito, Hisashi Takano, Eijin Moriwaki +14 more | 2002-11-19 |
| 6452758 | Magnetic storage apparatus | Hisashi Takano, Mikio Suzuki | 2002-09-17 |
| 6297929 | Magnetic storage apparatus | Hisashi Takano, Mikio Suzuki | 2001-10-02 |
| 6278593 | Magnetoresistance effect elements and magnetic heads using the tunneling magnetoresistive effect | Ryoichi Nakatani, Naoki Koyama, Isamu Yuito, Hisashi Takano, Eijin Moriwaki +14 more | 2001-08-21 |
| 6064546 | Magnetic storage apparatus | Hisashi Takano, Mikio Suzuki | 2000-05-16 |
| 6011674 | Magnetoresistance effect multilayer film with ferromagnetic film sublayers of different ferromagnetic material compositions | Ryoichi Nakatani, Naoki Koyama, Isamu Yuito, Hisashi Takano, Eijin Moriwaki +14 more | 2000-01-04 |
| 5998040 | Multilayer which shows magnetoresistive effect and magnetoresistive element using the same | Ryoichi Nakatani, Yuzuru Hosoe | 1999-12-07 |
| 5808843 | Magnetoresistance effect reproduction head | Toshio Kobayashi, Isamu Yuito, Noboru Shimizu, Naoki Koyama | 1998-09-15 |
| 5726837 | Multilayer magnetoresistance effect-type magnetic head | Ryoichi Nakatani, Naoki Koyama, Isamu Yuito, Hisashi Takano, Eijin Moriwaki +14 more | 1998-03-10 |
| 5719729 | Magnetic head and recording and reproducing apparatus having an arrangement for improving coincidence between a magnetic center of a read head and physical center of a write head | Naoki Koyama, Yoshihiro Hamakawa, Isamu Yuitoo, Kanji Kawakami, Kazuo Shiiki | 1998-02-17 |
| 5521005 | Magnetoresistive head | Noboru Shimizu, Naoki Koyama | 1996-05-28 |
| 5461526 | Magnetoresistive read head and magnetic storage system using the same | Yoshihiro Hamakawa, Toshio Kobayashi, Naoki Koyama | 1995-10-24 |
| 5401542 | Magnetoresistive magnetic head and its manufacturing method | Noboru Shimizu, Hideo Tanabe, Hitoshi Nakamura | 1995-03-28 |
| 5390061 | Multilayer magnetoresistance effect-type magnetic head | Ryoichi Nakatani, Naoki Koyama, Isamu Yuito, Hisashi Takano, Eijin Moriwaki +14 more | 1995-02-14 |
| 5371643 | Magnetoresistive head structure that prevents under film from undesirable etching | Isamu Yuito, Makoto Morijiri, Tooru Takeura, Katsunori Ohwada | 1994-12-06 |
| 5337203 | Magnetoresistive magnetic head | Hideo Tanabe, Noboru Shimizu, Naoki Koyama, Toshio Kobayashi | 1994-08-09 |
| 5287237 | Antiferromagnetic film superior in corrosion resistance, magnetoresistance-effect element and magnetoresistance-effect head including such thin film | Noboru Shimizu, Hideo Tanabe, Ryoichi Nakatani, Isamu Yuito, Naoki Koyama | 1994-02-15 |
| 5218497 | Magnetic recording-reproducing apparatus and magnetoresistive head having two or more magnetoresistive films for use therewith | Hideo Tanabe, Noboru Shimizu, Hitoshi Nakamura | 1993-06-08 |
| 5212609 | Magnetoresistive head | Isamu Yuito, Makoto Morijiri, Tooru Takeura, Naoki Koyama | 1993-05-18 |
| 5181149 | Magnetic recording/reproducing head assembly | Masao Katsumata, Kazuhiro Momata, Kazuyoshi Adachi, Tooru Takeura, Yoshihisa Kamo +1 more | 1993-01-19 |
| 5010433 | Magnetoresistive magnetic head having a shunt film of Nb | Noboru Shimizu, Hideo Tanabe, Hitoshi Nakamura | 1991-04-23 |