Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5639566 | Magnetic core | Takao Kusaka | 1997-06-17 |
| 5622768 | Magnetic core | Yumie Watanabe, Yumiko Takahashi, Takao Sawa, Yoshiyuki Yamauchi, Susumu Matsushita | 1997-04-22 |
| 5593517 | Regenerating material and refrigerator using the same | Akiko Saito, Masashi Sahashi, Yoichi Tokai, Akihiko Tsutai, Yukiko Nishiyama +1 more | 1997-01-14 |