Issued Patents All Time
Showing 1–25 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8819329 | Nonvolatile storage device, access device and nonvolatile storage system | Masato Suto, Toshiyuki Honda | 2014-08-26 |
| 7220323 | Cleaning method for magnetic transfer carrier | Hideyuki Hashi, Taizou Hamada | 2007-05-22 |
| 7095575 | Magnetic disk apparatus, method for determining data track pitch, and self-servo write method | Hiroshi Kohso, Makoto Kimura, Tatsuaki Ishida | 2006-08-22 |
| 7061703 | Master information carrier and method for manufacturing magnetic disc using the same | Tatsuaki Ishida, Nobuyuki Komura, Yasuaki Ban, Taizou Hamada, Hideyuki Hashi | 2006-06-13 |
| 7057834 | Master information carrier and method for manufacturing magnetic disc using the same | Tatsuaki Ishida, Nobuyuki Komura, Yasuaki Ban, Taizou Hamada, Hideyuki Hashi | 2006-06-06 |
| 7038877 | Head positioning apparatus | Hiroshi Kohso, Toshio Inaji | 2006-05-02 |
| 7019938 | Head positioning method, and disk apparatus using the same | Toshio Inaji, Hiroshi Kohso | 2006-03-28 |
| 6994029 | Magnetic transfer method and magnetic transfer device | Hideyuki Hashi, Taizo Hamada, Toshio Makabe, Kiyokazu Toma, Tatsuaki Ishida +1 more | 2006-02-07 |
| 6982848 | Disk apparatus and head positioning method | Toshio Inaji, Hiroshi Kohso, Makoto Umeda | 2006-01-03 |
| 6980380 | Master information carrier and method for manufacturing magnetic disk | Hideyuki Hashi, Tatsuaki Ishida | 2005-12-27 |
| 6950271 | Disk drive and disk drive control method | Toshio Inaji, Hiroshi Kohso | 2005-09-27 |
| 6950274 | Disk storage apparatus and disk storage apparatus control method | Toshio Inaji, Hiroshi Kohso, Makoto Umeda | 2005-09-27 |
| 6903896 | Head positioning method, and disk apparatus using the same | Toshio Inaji | 2005-06-07 |
| 6858329 | Master disc and method for manufacturing magnetic disc using the same | Taizou Hamada, Hideyuki Hashi, Tatsuaki Ishida, Nobuyuki Komura, Yasuaki Ban +1 more | 2005-02-22 |
| 6858328 | Master information support | Tatsuaki Ishida, Kiyokazu Tohma, Yoriko Takai, Taizou Hamada, Hiroshi Ryonai | 2005-02-22 |
| 6859339 | Master information magnetic recording apparatus and method for manufacturing magnetic recording medium in which information is recorded by using this | Yasuaki Ban, Taizou Hamada, Kouji Taniguchi, Masaya Sakaguchi | 2005-02-22 |
| 6821869 | Photomask, method of generating resist pattern, and method of fabricating master information carrier | Terumi Yanagi, Nobuyuki Komura, Tatsuaki Ishida | 2004-11-23 |
| 6781777 | Master information carrier and method for manufacturing information recording medium using the same | Hideyuki Hashi, Tatsuaki Ishida | 2004-08-24 |
| 6714367 | Master information medium and method of master information recording | Tatsuaki Ishida, Hiroshi Ryonai, Nobuyuki Komura, Kiyokazu Tohma | 2004-03-30 |
| 6665133 | Magnetic transfer method and magnetic transfer device | Hideyuki Hashi, Taizo Hamada, Toshio Makabe, Kiyokazu Toma, Tatsuaki Ishida +1 more | 2003-12-16 |
| 6646820 | Method for recording magnetic recording medium | Tatsuaki Ishida, Taizou Hamada, Hideyuki Hashi, Yasuaki Ban, Hiromi Kita | 2003-11-11 |
| 6611388 | Master information magnetic recorder | Tatsuaki Ishida, Taizou Hamada, Kiyokazu Tohma, Hiroshi Ryonai | 2003-08-26 |
| 6466385 | Method and apparatus of forming a magnetic disk with a servo sector and a data sector on a spiral track | Yoshio Umeda, Ryosuke Shimizu, Syuichi Yoshida, Tatsuaki Ishida, Kiyokazu Tohma | 2002-10-15 |
| 6360606 | Piezoelectric sensor device and a method for detecting change in electric constants using the device | Toshikazu Hirota, Takao Ohnishi, Kazuyoshi Shibata | 2002-03-26 |
| 5969532 | Method of inspecting crack in ceramic substrate | Minoru Usui, Takahiro Katakura, Takaichi Wada, Motonori Okumura, Nobuo Takahashi +1 more | 1999-10-19 |