Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11204342 | Reference sample for analysis | Fumitaka MARUYAMA | 2021-12-21 |
| 7943193 | Magnetic recording medium with diamond-like carbon protective film, and manufacturing method thereof | Naoto Endou, Hiroyuki Matsumoto, Toshinori Ono | 2011-05-17 |
| 7718282 | Magnetic recording medium with corrosion resistance and manufacturing method | Toshinori Ono, Mitsuhiro Shoda | 2010-05-18 |
| 7551398 | Magnetic head with air bearing surface protection film and manufacturing method thereof | Hiroshi Inaba, Hiroshi Ishizaki | 2009-06-23 |
| 7147943 | Magnetic recording medium, the manufacturing method and magnetic recording apparatus using the same | Toshinori Ono, Yuuichi Kokaku, Hiroyuki Matsumoto, Hiroshi Tani, Mitsuhiro Shoda +4 more | 2006-12-12 |
| 7045175 | Magnetic recording medium and method for manufacturing the same | Toru Yatsue, Yuuichi Kokaku, Toshinori Ono | 2006-05-16 |
| 6949301 | Magnetic recording medium, the manufacturing method and magnetic recording apparatus using the same | Toshinori Ono, Yuuichi Kokaku, Yoshinori Honda, Tooru Yatsue | 2005-09-27 |
| 6706363 | Magnetic recording medium, its production method and magnetic storage device using the medium | Yoshinori Honda, Yuuichi Kokaku, Toshinori Ono, Hiroyuki Kataoka | 2004-03-16 |
| 5651867 | Plasma processing method and apparatus | Yuichi Kokaku, Hiroyuki Kataoka, Makoto Kitoh, Satoshi Matsunuma, Kenji Furusawa +3 more | 1997-07-29 |
| 5409738 | Recording medium | Satoshi Matsunuma, Yuichi Kokaku, Makoto Kitoh | 1995-04-25 |
| 5104709 | Magnetic recording medium which includes a protective layer, an adhesion strengthening substance and a lubricant layer | Yuichi Kokaku, Satoshi Matsunuma, Makoto Kitoh, Kenji Furusawa | 1992-04-14 |