Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5804282 | Magnetic core | Yumiko Takahashi, Takao Sawa, Yoshiyuki Yamaguchi, Susumu Matsushita, Masami Okamura | 1998-09-08 |
| 5622768 | Magnetic core | Yumiko Takahashi, Takao Sawa, Yoshiyuki Yamauchi, Susumu Matsushita, Masami Okamura | 1997-04-22 |