Issued Patents All Time
Showing 26–26 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8183754 | Alumina-based sintered body for spark plug and method of manufacturing the same, and spark plug and method of manufacturing the same | Makoto Kuribayashi, Toshitaka Honda, Hirokazu Kurono | 2012-05-22 |