Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8688969 | Cryptographic management apparatus, decryption management apparatus and program | Shingo Miyazaki, Takanori Nakamizo, Akito Niwa, Koji Okada, Kouya Tochikubo +3 more | 2014-04-01 |
| 8417964 | Software module management device and program | Shingo Miyazaki, Fumihiko Sano, Koji Okada, Shigeyuki Fukushima, Noboru Koshizuka +1 more | 2013-04-09 |
| 8406422 | Cryptographic module management apparatus, method, and program | Shingo Miyazaki, Takanori Nakamizo, Akito Niwa, Koji Okada, Kouya Tochikubo +3 more | 2013-03-26 |
| 8396218 | Cryptographic module distribution system, apparatus, and program | Shingo Miyazaki, Takanori Nakamizo, Akito Niwa, Koji Okada, Kouya Tochikubo +3 more | 2013-03-12 |
| 8370643 | Cryptographic module selecting device and program | Shingo Miyazaki, Takanori Nakamizo, Akito Niwa, Koji Okada, Kouya Tochikubo +3 more | 2013-02-05 |
| 7206175 | Magnetoresistive head having defined relationships between the tract width and magnetization film thickness product to permit no hysteresis in the transfer curve | Akira Morinaga, Norifumi Miyamoto | 2007-04-17 |
| 7158351 | Magnetic recording and reproducing head restraining a side reading | Kazuhiro Nakamoto, Hiroyuki Hoshiya | 2007-01-02 |
| 7116534 | Magnetoresistive head | Hiroyuki Hoshiya | 2006-10-03 |
| 6967823 | Magnetic recording head | Kazuhiro Nakamoto, Hiroyuki Hoshiya | 2005-11-22 |
| 6839200 | Combination perpendicular magnetic head having shield material formed at both ends of an upper pole of a write element | Hisashi Takano, Naoki Koyama, Hideo Tanabe, Eijin Moriwaki, Isamu Yuito +5 more | 2005-01-04 |
| 6721148 | Magnetoresistive sensor, thin-film read/write head, and magnetic recording apparatus using the sensor | Yoshio Suzuki | 2004-04-13 |
| 6665141 | Magnetic head having track width defined by trench portions filled with magnetic shield material | Hisashi Takano, Naoki Koyama, Hideo Tanabe, Eijin Moriwaki, Isamu Yuito +5 more | 2003-12-16 |
| 6643105 | Magnetic head having magnetic shield layers | Kazuhiro Nakamoto, Hiroyuki Hoshiya, Takashi Kawabe, Hiromasa Takahashi, Hisashi Kimura +2 more | 2003-11-04 |
| 6538844 | Method of fabricating a magnetic head by focused ion beam etching | Hisashi Takano, Naoki Koyama, Hideo Tanabe, Eijin Moriwaki, Isamu Yuito +5 more | 2003-03-25 |
| 6456466 | Magnetic head with shield layer having discontinuous multi-layer or mixed layer and magnetic recording apparatus utilizing the magnetic head | Kazuhiro Nakamoto, Hiroyuki Hoshiya, Takashi Kawabe, Hiromasa Takahashi, Hisashi Kimura +2 more | 2002-09-24 |
| 6396734 | Giant magnetoresistive sensor, thin-film read/write head and magnetic recording apparatus using the sensor | Kaori Totsuka, Yoshio Suzuki | 2002-05-28 |
| 6307707 | Narrow track thin film head including magnetic poles machined by focused ion beam etching | Hisashi Takano, Naoki Koyama, Hideo Tanabe, Eijin Moriwaki, Isamu Yuito +5 more | 2001-10-23 |
| 6278578 | Narrow track thin film head having a focused ion beam etched air bearing surface | Hisashi Takano, Naoki Koyama, Hideo Tanabe, Eijin Moriwaki, Isamu Yuito +5 more | 2001-08-21 |
| 6243288 | Giant magnetoresistive sensor, thin-film read/write head and magnetic recording apparatus using the sensor | Kaori Totsuka, Yoshio Suzuki | 2001-06-05 |
| 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 | Hisashi Takano, Naoki Koyama, Hideo Tanabe, Eijin Moriwaki, Isamu Yuito +5 more | 2000-08-29 |
| 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 | Hisashi Takano, Naoki Koyama, Hideo Tanabe, Eijin Moriwaki, Isamu Yuito +5 more | 1998-12-15 |