Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10515868 | Circuit substrate and semiconductor device | Takayuki Naba, Masashi Umehara | 2019-12-24 |
| 10366938 | Silicon nitride circuit board and electronic component module using the same | Noboru Kitamori, Takayuki Naba, Masashi Umehara | 2019-07-30 |