Issued Patents 2019
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10347817 | Lead-free piezoelectric ceramic composition, piezoelectric element using the same, and method of manufacturing lead-free piezoelectric ceramic composition | Hisashi KOZUKA, Hideto Yamada, Takayuki Matsuoka, Kazuaki Kitamura, Toshiaki Kurahashi +3 more | 2019-07-09 |
| 10340441 | Lead-free piezoelectric ceramic composition, piezoelectric element using the same, and method of manufacturing lead-free piezoelectric ceramic composition | Hisashi KOZUKA, Hideto Yamada, Takayuki Matsuoka, Kazuaki Kitamura, Toshiaki Kurahashi +3 more | 2019-07-02 |
| 10177581 | Semiconductor device and cell voltage equalization method for battery cell | — | 2019-01-08 |