Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5006957 | Semiconductor porcelain substrate, dielectric porcelain substrate and capacitor employing the composition | Motoo Kumagai, Keiichi Kato, Masato Nagano, Michiaki Sakaguchi | 1991-04-09 |