Issued Patents 2020
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10872841 | Ceramic metal circuit board and semiconductor device using the same | Hiromasa Kato, Noboru Kitamori | 2020-12-22 |
| 10790214 | Circuit substrate and semiconductor device | Hiromasa Kato, Masashi Umehara | 2020-09-29 |
| 10595403 | Ceramic circuit board and semiconductor module | Hiromasa Kato, Keiichi Yano | 2020-03-17 |