Issued Patents 2011
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8082897 | Plasma jet ignition plug and ignition device for the same | Toru Nakamura, Yuichi Yamada | 2011-12-27 |
| 8067882 | Sealing member for spark plug | Reimon Fukuzawa | 2011-11-29 |
| 8052495 | Method for producing spark plug by projection welding and spark plug thereof | Kazuyoshi Torii, Mamoru Musasa | 2011-11-08 |
| 7959482 | Manufacturing method for ignition plug involves removing leading end portion of shell extended from end surface of insulator | Toru Nakamura, Yuichi Yamada | 2011-06-14 |
| 7906894 | Spark plug for internal combustion engine | Hiroyuki Kameda, Katsutoshi Nakayama | 2011-03-15 |
| 7896720 | Method of producing spark plug, and spark plug | Akira Suzuki | 2011-03-01 |