Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6861126 | Magnetic recording medium possessing a magnetic layer having plural oxygen-containing regions | — | 2005-03-01 |
| 6093486 | Magnetic recording medium and magnetic paint therefor | Kazuhiro Takeda | 2000-07-25 |
| 4759980 | Magnetic recording medium having two types of polyester binders in a magnetic recording layer | Ikuo Matsumoto, Satoshi Sekiya | 1988-07-26 |
| 4708906 | Magnetic recording medium comprising an undercoat layer made of specific type of resin composition | Satoshi Sekiya, Ikuo Matsumoto | 1987-11-24 |
| 4699817 | Magnetic recording medium | Ikuo Matsumoto | 1987-10-13 |
| 4671995 | Magnetic recording medium comprising an undercoating made of a mixture of thermosetting polyurethane and polyester resins | Satoshi Sekiya, Ikuo Matsumoto | 1987-06-09 |
| 4634627 | Magnetic recording medium comprising a surface-treated abrasive | Hiroshi Togashi | 1987-01-06 |
| 4521480 | Magnetic recording media of the high recording density type comprising both titanium monoxide and magnetic alloy powders in a magnetic layer | — | 1985-06-04 |
| 4501800 | Magnetic recording media comprising organosilicones in a magnetic layer thereof | Shigeru Hashimoto | 1985-02-26 |
| 4469750 | Magnetic recording media comprising fluorinated organosilicones in a magnetic layer thereof | Yukio Matsumoto, Hiroshi Yoshida | 1984-09-04 |
| 4383000 | Magnetic recording medium | — | 1983-05-10 |
| 4383001 | Magnetic recording medium | — | 1983-05-10 |