Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6649036 | Mirrortron sputtering apparatus | Toyoaki Hirata | 2003-11-18 |
| 5360677 | Magnetic disk substrate | Hideaki Fukai, Hiroyoshi Suenaga, Kuninori Minakawa, Shinichiro Otaka | 1994-11-01 |
| 5135819 | Photomagnetic memory medium having a non-columnar structure | Hiroshi Ito, Tsunehiro Tsukagoshi | 1992-08-04 |
| 4842708 | Perpendicular magnetic recording medium, method for producing the same, and sputtering device | Sadao Kadokura, Kazuhiko Honjo, Takashi Tomie | 1989-06-27 |
| 4690744 | Method of ion beam generation and an apparatus based on such method | Shozo Ishibashi | 1987-09-01 |
| 4666788 | Perpendicular magnetic recording medium, method for producing the same, and sputtering device | Sadao Kadokura, Kazuhiko Honjo, Takashi Tomie | 1987-05-19 |
| 4576700 | Perpendicular magnetic recording medium method for producing the same, and sputtering device | Sadao Kadokura, Kazuhiko Honjo, Takashi Tomie | 1986-03-18 |
| 4507364 | Perpendicular magnetic recording medium | Sadao Kadokura, Takashi Tomie | 1985-03-26 |
| 4407894 | Method for producing a perpendicular magnetic recording medium | Sadao Kadokura, Takashi Tomie | 1983-10-04 |