Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6126990 | Method for producing magnetic recording medium | Kiyonori Hinoki | 2000-10-03 |
| 6127030 | Magnetic recording medium | Shuji Iida | 2000-10-03 |
| 6117484 | Method for producing magnetic recording medium | Kiyonori Hinoki | 2000-09-12 |
| 5721010 | Method for production of magnetic recording medium | Kiyonori Hinoki, Shigeo Kurose | 1998-02-24 |
| 5567502 | Magnetic recording medium having a magnetic layer containing abrasive particles | Hiroyuki Miyabara, Shigeharu Watase, Yoshio Kawakami | 1996-10-22 |
| 5510179 | Magnetic recording medium having at least two layers wherein the uppermost layer contains alumina particles which contain specified oxides | Sadafumi Iijima, Motoyuki Tsunoda | 1996-04-23 |
| 5110659 | Lapping tape | Yoshisuke Yamakawa, Koji Matsuno | 1992-05-05 |
| 4659626 | Magnetic recording medium | Shigeru Takamatsu, Eiji Kitaura | 1987-04-21 |
| 4578314 | Magnetic recording medium and method for manufacture thereof | Hiroshi Ohta, Shinji Abe | 1986-03-25 |