Issued Patents 2018
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9938197 | Unleaded piezoelectric ceramic composition, piezoelectric element using same, device, and method for manufacturing unleaded piezoelectric ceramic composition | Takayuki Matsuoka, Kazuaki Kitamura, Hisashi KOZUKA, Hideto Yamada, Toshiaki Kurahashi +3 more | 2018-04-10 |
| 9871187 | Lead-free piezo-electric porcelain composition, piezo-electric element using the same, and method for producing lead-free piezo-electric porcelain composition | Takayuki Matsuoka, Yoshiteru Honda, Kazuaki Kitamura, Hisashi KOZUKA, Toshiaki Kurahashi +3 more | 2018-01-16 |