Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5302469 | Soft magnetic thin film | Shoutatsu Sugenoya, Yuuichi Satoh | 1994-04-12 |
| 5229219 | Magnetic recording medium comprising a magnetic layer containing a specified magnetic ferrite powder and having a curie temperature up to 180.degree. C. | Hideharu Moro, Shigeo Satoh, Tetsuhito Yoneyama, Shohei Mimura, Haruyuki Takahashi +1 more | 1993-07-20 |
| 5049208 | Permanent magnets | Koichi Yajima, Tetsuhito Yoneyama | 1991-09-17 |
| 5022939 | Permanent magnets | Koichi Yajima, Tetsuhito Yoneyama | 1991-06-11 |
| 4836868 | Permanent magnet and method of producing same | Kohichi Yajima, Tetsuhito Yoneyama | 1989-06-06 |
| 4621008 | Magnetic recording medium | Yasufumi Takasugi, Hiroshi Sugihara, Masaharu Nishimatsu | 1986-11-04 |
| 4592948 | Magnetic recording medium | Yasufumi Takasugi, Hiroshi Sugihara, Masaharu Nishimatsu | 1986-06-03 |
| 4537832 | Magnetic recording medium | Yasufumi Takasugi, Hiroshi Sugihara, Masaharu Nishimatsu | 1985-08-27 |
| 4410406 | Process for preparing magnetic recording medium | Takahiro Yamamoto | 1983-10-18 |
| 4188211 | Thermally stable amorphous magnetic alloy | Norishige Yamaguchi, Kazuo Ohya, Hiroki Fujishima | 1980-02-12 |