Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9043182 | Absolute position measurement apparatus and method | Chidane Ouchi, Takao Ukaji | 2015-05-26 |
| 8457914 | Apparatus and method for obtaining phase corresponding to object position | — | 2013-06-04 |
| 8307264 | Detection apparatus | — | 2012-11-06 |
| 7966158 | Measurement apparatus | — | 2011-06-21 |
| 7945420 | Absolute position measurement apparatus | — | 2011-05-17 |
| 6950261 | Magnetic pattern forming method, magnetic pattern forming apparatus, magnetic disk, and magnetic recording apparatus | Hiroyuki Ikeda, Takeshi Kuriwada, Toshihiko Kuriyama | 2005-09-27 |
| 6744583 | Method for forming a magnetic pattern in a magnetic recording medium, a magnetic pattern forming device, a magnetic recording medium and a magnetic recording device | Hiroyuki Ikeda, Youji Arita | 2004-06-01 |
| 6731446 | METHOD FOR FORMING A MAGNETIC PATTERN IN A MAGNETIC RECORDING MEDIUM, METHOD FOR PRODUCING A MAGNETIC RECORDING MEDIUM, MAGNETIC PATTERN FORMING DEVICE, MAGNETIC RECORDING MEDIUM AND MAGNETIC RECORDING DEVICE | Hiroyuki Ikeda, Youji Arita, Masahiro Kawashima, Takeshi Kuriwada | 2004-05-04 |
| 6307704 | Data recording medium and data recording/reproducing device with increased storage capacity | Hiroyuki Ikeda | 2001-10-23 |
| 6217970 | Magnetic recording medium, method of producing the same, and recording and reading-out method | Yoji Arita, Ryuichi Yoshiyama, Junichi Kozu, Toshihiko Kuriyama, Mitsunori Mochida | 2001-04-17 |
| 6057984 | Method for data writing/read-out using a contact start and stop system | Yoji Arita | 2000-05-02 |
| 5981902 | Texturing apparatus for magnetic recording medium and magnetic recording medium process thereby | Yoji Arita, Toshihiko Kuriyama, Ryuichi Yoshiyama | 1999-11-09 |
| 5943180 | Information recording medium and recording/reproducing method for utilizing the same | Hiroyuki Ikeda | 1999-08-24 |
| 5928759 | Magnetic recording medium, method of producing the same, and recording and reading-out method | Yoji Arita, Ryuichi Yoshiyama, Junichi Kozu, Toshihiko Kuriyama, Mitsunori Mochida | 1999-07-27 |
| 5619480 | Magnetic recording medium and recording/reproducing method therefor as well as information processing apparatus by means thereof | Shuichi Maeda | 1997-04-08 |
| 5581488 | Apparatus and method for compensating for noise in signals | — | 1996-12-03 |
| 4843365 | Magnetoresistance element | — | 1989-06-27 |
| 4488117 | Method of measuring backelectromotive forces of aluminum electrolysis cells | — | 1984-12-11 |
| 4437950 | Method of controlling aluminum electrolytic cells | Yoji Arita | 1984-03-20 |
| 4431492 | Aluminum electrolytic cell arrays and method of supplying electric power to the same | Yoji Arita | 1984-02-14 |