Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5316631 | Method for fabricating a magnetic recording medium | Toshio Ando | 1994-05-31 |
| 4808489 | Method of producing magnetic disc | Toshiro Abe | 1989-02-28 |
| 4776938 | Method of producing magnetic disc | Toshiro Abe | 1988-10-11 |
| 4753852 | Magnetic recording medium comprising a magnetic Co-Ni-Cr alloy thin layer | Makoto Mizukami, Toshio Kato, Toshiro Abe, Akihiro Kimura | 1988-06-28 |
| 4743348 | Magnetic medium for horizontal magnetization recording and method for making same | Toshio Ando, Akihiro Kimura | 1988-05-10 |
| 4711810 | Magnetic medium for horizontal magnetization recording and method for making same | Toshio Ando, Akihiro Kimura | 1987-12-08 |
| 4680218 | Magnetic recording medium | Akihiro Kimura, Toshio Ando | 1987-07-14 |
| 4664976 | Magnetic recording medium comprising a protective carbon nitride layer on the surface thereof | Akihiro Kimura, Toshio Ando, Toshio Kato | 1987-05-12 |
| 4626480 | Magnetic recording medium comprising a vacuum-deposited magnetic film of a magnetic material and a tungsten oxide and method for making the same | Masanobu Shigeta, Makoto Mizukami | 1986-12-02 |
| 4317675 | Magnetic iron powder containing molybdenum | Hiromasa Isono, Tunehide Naruse, Sadao Ozaki, Noboru Takahashi | 1982-03-02 |
| 4315052 | Magnetic recording medium | Noboru Takahashi, Sadao Ozaki, Hiromasa Isono, Takeshi Ikushima, Tunehide Naruse | 1982-02-09 |