Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6653001 | Magnetic tape having specific meandering features | Naoto Murao, Mikio Ohno, Nobuyoshi Asada | 2003-11-25 |
| 6459494 | Width measuring apparatus | Koshu Kurokawa, Akihiro Hashimoto | 2002-10-01 |
| 6299098 | Method and apparatus for manufacturing magnetic recording medium | — | 2001-10-09 |
| 5238753 | Magnetic recording medium kubbed with a super hard alloy blade containing tungsten carbide power and cobalt | Katsumi Ryoke, Junji Yazawa, Toshihiko Miura, Masaki Suzuki, Tatsuya Oguri | 1993-08-24 |
| 5164243 | Magnetic recording medium having a specified edge profile | Minoru Kanazawa | 1992-11-17 |
| 5053893 | Method of and device for demagnetizing magnetic recording medium | Michihiro Matsui | 1991-10-01 |
| 4956728 | Method of and device for demagnetizing magnetic recording medium | Michihiro Matsui | 1990-09-11 |