Issued Patents 1982
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4362581 | Magnetic alloy | Hiroshi Kimura, Kenji Abiko, Isamu Yoshii, Sadao Watanabe, Yutaka Takei | 1982-12-07 |
| 4345114 | Method and apparatus for recording and reproducing a message with an indication of a time occurrence | Tomio Tsuchiya, Yasuo Matushima | 1982-08-17 |
| 4318758 | Method for producing a grain-oriented magnetic steel sheet having good magnetic properties | Katsuro Kuroki, Kenzo Iwayama | 1982-03-09 |