Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5976668 | Base film for magnetic recording medium and magnetic recording medium using same | Jota Ito, Tsutomu Takeda, Shinichi Matsumura | 1999-11-02 |
| 5925404 | Manufacturing method of magnetic material for metallic thin film magnetic recording media and metallic thin film magnetic recording medium | Tustomu Takeda, Hiroyuki Yamada, Hideo Katagiri, Hiroshi Osumi | 1999-07-20 |
| 5906880 | Magnetic recording medium | Kenichi Sato, Yuichi Arisaka, Yukari Yamada | 1999-05-25 |
| 5835673 | Digital signal recording on a magnetic recording medium having a non-magnetic base and magnetic metal film of certain characteristics | Yukari Yamada, Mayumi Abe, Yuichi Arisaka, Kenichi Sato | 1998-11-10 |
| 5672425 | Magnetic recording medium and a method of fabricating the same | Kenichi Sato, Yuichi Arisaka, Yukari Yamada | 1997-09-30 |
| 5571595 | Magnetic recording medium and method for production thereof | Kenichi Sato, Yuichi Arisaka, Hirofumi Kondo, Yukari Yamada | 1996-11-05 |
| 5525419 | Magnetic recording medium | Takao Mori | 1996-06-11 |
| 5512349 | Method and apparatus for magnetic recording digital video signals and magnetic recording medium therefor | Kenichi Sato, Yuichi Arisaka | 1996-04-30 |
| 5384666 | Digital picture signal recording apparatus in which a field interval is recorded in a plurality of tracks exhibiting a track pitch no greater than 5.5 .mu.m by a rotary drum having a diameter no greater than 25 mm and a rotary speed no less than 150 rps | Keiji Kanota, Hajime Inoue, Akihiro Uetake, Moriyuki Kawaguchi, Yukio Kubota | 1995-01-24 |
| 5349478 | Magnetic recording and/or reproducing method having a double azimuth head arrangement | Kenichi Sato | 1994-09-20 |
| 5347406 | Digital video recording apparatus for recording digital video signals of reduced bit rate on magnetic tape having particular thickness, energy product and surface roughness | Kenichi Sato, Yuichi Arisaka | 1994-09-13 |
| 5253122 | Recording of digital video signals on a magnetic medium having a particular energy product and surface roughness | Kenichi Sato, Yuichi Arisaka | 1993-10-12 |
| 5247397 | Method for magnetically recording digital video signals with specified ranges of the easy axis and the bias magnetic field | Kenichi Sato, Yuichi Arisaka, Toshiharu Kobayashi, Yukari Yamada | 1993-09-21 |