Issued Patents 1989
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4886717 | Photochromic material, photochromic device and method for recording and erasing information | Masafumi Jinno, Ichiro Kake, Yuichiro Nishina | 1989-12-12 |
| 4865948 | Optical recording material, process for preparing the same and optical recording method | Kenji Suzuki, Mika Okubo, Akira Matsumoto, Nobuhiro Ota, Shuji Masuda | 1989-09-12 |
| 4842657 | Amorphous alloys containing iron group elements and zirconium and particles made of said alloys | Kiyoyuki Esashi, Masateru Nose | 1989-06-27 |
| 4836867 | Anisotropic rare earth magnet material | Eishu Sugawara, Taketoshi Nakayama | 1989-06-06 |
| 4806265 | Amorphous ferromagnetic oxides | Kenji Suzuki, Nobuhiro Ota, Mika Okubo, Masao Mitera, Akira Matsumoto +1 more | 1989-02-21 |