Issued Patents All Time
Showing 26–44 of 44 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6562481 | Magnetic storage medium | Isatake Kaitsu, Hisateru Sato | 2003-05-13 |
| 6562489 | Magnetic recording medium and magnetic storage apparatus | E. Noel Abarra | 2003-05-13 |
| 6551728 | Magnetic recording medium and magnetic storage apparatus | B. Ramamurthy Acharya | 2003-04-22 |
| 6541104 | Magnetic recording medium and a magnetic recording device | Hideyuki Akimoto, Chiaki Okuyama | 2003-04-01 |
| 6534204 | Magnetic storage medium | Hideyuki Akimoto, Yuki Yoshida, Kenji Sato | 2003-03-18 |
| 6534205 | Magnetic storage medium | Hisateru Sato, Isatake Kaitsu | 2003-03-18 |
| 6506508 | Magnetic recording medium, method of production and magnetic storage apparatus | Yuki Yoshida | 2003-01-14 |
| 6147488 | Measurement method of time dependent magnetic remanence in a recording medium | Yasuo Bamba, Kazunori Yamanaka, Wataru Yamagishi | 2000-11-14 |
| 6129981 | Magnetic recording medium and magnetic recording disk device | Chiaki Okuyama, Kenji Sato, Yuki Yoshida | 2000-10-10 |
| 6071607 | Magnetic recording medium and magnetic disk device | Chiaki Okuyama, Kenji Sato, Masayoshi Shinohara | 2000-06-06 |
| 6020060 | Magnetic recording medium, process for producing the same and magnetic disk device | Yuki Yoshida, Chiaki Okuyama, Kenji Sato | 2000-02-01 |
| 5986836 | Magnetic recording method and device | Chiaki Okuyama, Kenji Sato | 1999-11-16 |
| 5900323 | Magnetic recording medium and magnetic recording drive | Hideyuki Akimoto, Masayoshi Shinohara | 1999-05-04 |
| 5843569 | Magnetic recording medium and device | Isatake Kaitsu | 1998-12-01 |
| 5774783 | Magnetic recording medium | Isatake Kaitsu, Masayoshi Shinohara | 1998-06-30 |
| 5645898 | Method for manufacturing a magnetic recording member | Kenji Sato, Chiaki Okuyama | 1997-07-08 |
| 5523639 | Electrostatic actuator having ferroelectrics in which residual dielectric polarization is formed | Isatake Kaitsu, Minoru Takahashi | 1996-06-04 |
| 5164349 | Electromagnetic effect material | Toshitaka Fujii, Atsushi Kajima, Kyoji Ohdan, Ryoji Sugise | 1992-11-17 |
| 4814239 | Vertical magnetic recording medium and method of manufacturing the same | Kazuo Inoue, Motozo Yoshikiyo, Shizuka Yoshii | 1989-03-21 |