Issued Patents All Time
Showing 26–50 of 61 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7253995 | Magnetic head and magnetic recording/reproducing device | Hiromasa Takahashi | 2007-08-07 |
| 7247510 | Magnetic recording medium and magnetic memory apparatus | Jun Hayakawa | 2007-07-24 |
| 7209328 | Magnetic read head and hard disk drive | Hiromasa Takahashi | 2007-04-24 |
| 7042669 | Method and apparatus for recording/reproducing magnetization information | Susumu Ogawa | 2006-05-09 |
| 7038881 | Magnetic head for perpendicular recording including a main pole having a pole tip with three tapered sides | Yoshiaki Kawato, Masafumi Mochizuki | 2006-05-02 |
| 7002831 | Magnetic semiconductor memory device | Hideyuki Matsuoka, Takeshi Sakata, Kiyoo Itoh | 2006-02-21 |
| 6934133 | Three terminal magnetic head having a magnetic semiconductor and a tunnel magnetoresistive film and magnetic recording apparatus including the head | Jun Hayakawa | 2005-08-23 |
| 6917088 | Magneto-resistive devices | Hiromasa Takahashi, Jun Hayakawa, Susumu Soeya | 2005-07-12 |
| 6917499 | Magnetoresistive magnetic sensor and magnetic storage apparatus | Jun Hayakawa | 2005-07-12 |
| 6906368 | Magnetic recording medium and magnetic memory apparatus | Jun Hayakawa | 2005-06-14 |
| 6903966 | Semiconductor device | Takeshi Sakata, Satoru Hanzawa, Hideyuki Matsuoka, Katsuro Watanabe | 2005-06-07 |
| 6876523 | Magnetic head, and the magnetic read-write devices, and the magnetic memory with magnetic sensors | Hiromasa Takahashi, Susumu Soeya, Jun Hayakawa | 2005-04-05 |
| 6809908 | Light induction type thin film magnetic head | Hideki Saga, Hiroaki Nemoto, Tomohiro Okada | 2004-10-26 |
| 6771535 | Semiconductor device | Takeshi Sakata, Satoru Hanzawa, Hideyuki Matsuoka, Katsuro Watanabe | 2004-08-03 |
| 6728080 | Magnetic head, magnetic recording and reproducing apparatus, method for reproducing and recording magnetic recording information | Susumu Soeya | 2004-04-27 |
| 6690526 | Magnetic head, magnetic recording and reproducing apparatus, method for reproducing and recording magnetic recording information | Susumu Soeya | 2004-02-10 |
| 6657830 | Magnetoresistive magnetic sensor with tunnel effect and magnetic storage apparatus | Jun Hayakawa | 2003-12-02 |
| 6611487 | Flying type optical head integrally formed with light source and photodetector and optical disk apparatus with the same | Takeshi Shimano, Yooji Maruyama, Hiroyuki Awano | 2003-08-26 |
| 6573586 | Semiconductor device | Takeshi Sakata, Satoru Hanzawa, Hideyuki Matsuoka, Katsuro Watanabe | 2003-06-03 |
| 6370107 | Recording medium and recording device | Sumio Hosaka, Hajime Koyanagi, Atsushi Kikukawa, Kimitoshi Etoh | 2002-04-09 |
| 6304527 | Near-field optical head and manufacturing method thereof and optical recording/readout system using near-field optical head | Sumio Hosaka, Masaru Muranishi, Kimio Nakamura | 2001-10-16 |
| 6185177 | Flying type optical head integrally formed with light source and photodetector and optical disk apparatus with the same | Takeshi Shimano, Yooji Maruyama, Hiroyuki Awano | 2001-02-06 |
| 5995474 | Flying type optical head integrally formed with light source and photodetector and optical disk apparatus with the same | Takeshi Shimano, Yooji Maruyama, Hiroyuki Awano | 1999-11-30 |
| 5946281 | Laminated proximity field optical head and optical information recording and reproducing device | Toshimichi Shintani | 1999-08-31 |
| 5871881 | Multilayer optical information medium | Tetsuya Nishida, Yumiko Anzai, Yoshito Tsunoda, Masahiko Takahashi, Hisae Sasaki +1 more | 1999-02-16 |