Issued Patents All Time
Showing 51–60 of 60 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5906884 | Magnetic recording medium | Yotsuo Yahisa, Yoshibumi Matsuda, Joe Inagaki, Enji Fujita, Takao Yonekawa +3 more | 1999-05-25 |
| 5815343 | Magnetic recording medium, process for producing the same and magnetic recording system | Akira Ishikawa, Yoshihiro Shiroishi, Yotsuo Yahisa, Tomoo Yamamoto, Masukazu Igarashi +3 more | 1998-09-29 |
| 5759681 | Magnetic recording medium and magnetic recording system using the same | Kazuetsu Yoshida, Nobuyuki Inaba, Tomoo Yamamoto, Akira Ishikawa, Masaaki Futamoto +2 more | 1998-06-02 |
| 5750230 | Magnetic recording media and magnetic recording system using the same | Akira Ishikawa, Yoshihiro Shiroishi, Masatoshi Takeshita, Yotsuo Yahisa, Tomoo Yamamoto +6 more | 1998-05-12 |
| 5723198 | Multi-layered magnetic recording medium and magnetic recording system employing the same | Yoshihiro Shiroishi, Akira Ishikawa, Futoshi Tomiyama, Kazuetsu Yoshida, Tomoo Yamamoto +7 more | 1998-03-03 |
| 5650889 | Magnetic recording medium containing heavy rare gas atoms, and a magnetic transducing system using the medium | Tomoo Yamamoto, Emi Mangyo, Masaaki Futamoto, Nobuyuki Inaba | 1997-07-22 |
| 4622264 | Garnet film for magnetic bubble memory element | Norio Ohta, Keikichi Andoo, Yutaka Sugita | 1986-11-11 |
| 4581579 | Optical magnetic-field measuring apparatus having improved temperature characteristics | Kazuyuki Nagatsuma, Hiroyoshi Matsumura, Tsuneo Suganuma, Norio Ohta, Keikichi Ando +1 more | 1986-04-08 |
| 4532180 | Garnet film for ion-implanted magnetic bubble device | Norio Ohta, Keikichi Ando, Yutaka Sugita, Fumihiko Ishida | 1985-07-30 |
| 4397912 | Garnet film for magnetic bubble element | Norio Ohta, Keikichi Ando, Yutaka Sugita | 1983-08-09 |