Issued Patents 2018
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10090646 | Spark plug | Katsuya Takaoka, Kazuhiro Kurosawa, Kuniharu Tanaka, Toshitaka Honda, Hirokazu Kurono +2 more | 2018-10-02 |
| 9938197 | Unleaded piezoelectric ceramic composition, piezoelectric element using same, device, and method for manufacturing unleaded piezoelectric ceramic composition | Masato Yamazaki, Takayuki Matsuoka, Kazuaki Kitamura, 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 | Masato Yamazaki, Takayuki Matsuoka, Yoshiteru Honda, Kazuaki Kitamura, Toshiaki Kurahashi +3 more | 2018-01-16 |