Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE33022 | Ferromagnetic amorphous alloy | Shinji Takayama, Kazuo Shiiki, Shigekazu Otomo, Mitsuhiro Kudo, Yasunobu Ogata +1 more | 1989-08-15 |
| 4808490 | Plasma sprayed film resistor heater | Hisao Hara | 1989-02-28 |