Issued Patents All Time
Showing 26–36 of 36 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6565964 | Magnetic recording medium | Yuichiro Murayama, Hiroshi Hashimoto | 2003-05-20 |
| 6500551 | Magnetic recording medium | Hiroshi Hashimoto, Yuichiro Murayama | 2002-12-31 |
| 6444306 | Magnetic recording medium | Yuichiro Murayama, Hiroshi Hashimoto | 2002-09-03 |
| 6338896 | Magnetic recording medium | Tatsuo Ishikawa, Hiroshi Hashimoto | 2002-01-15 |
| 6224967 | Magnetic recording medium | Yuichiro Murayama, Hiroshi Hashimoto | 2001-05-01 |
| 6221468 | Magnetic recording medium | Yuichiro Murayama, Hiroshi Hashimoto | 2001-04-24 |
| 6037070 | Magnetic recording medium and method for manufacturing binder for magnetic recording medium | Hiroshi Hashimoto | 2000-03-14 |
| 6010773 | Magnetic recording medium | Yuichiro Murayama, Masaki Satake, Hiroshi Hashimoto | 2000-01-04 |
| 5989716 | Magnetic recording medium | Hiroshi Hashimoto, Yuichiro Murayama | 1999-11-23 |
| 5512350 | Magnetic recording medium having a magnetic layer with a specified surface roughness and which contains ferromagnetic powder, binder, and an abrasive | Katsumi Ryoke, Hiroaki Doushita, Masaki Suzuki, Toshiyuki Kitahara, Masami Sato | 1996-04-30 |
| 5419943 | Magnetic recording medium having a magnetic layer with a Tg of 80.degree. C . .degree. C. | Mikihiko Kato, Tetsuji Nishida, Minoru Kanazawa, Makoto Yoshimura | 1995-05-30 |