| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 21 |
| # | Industry | |
|---|---|---|
| #1 | Electrical machinery and energy | |
| #2 | Engines, pumps and turbines |
| # | Name | Total Patents |
|---|---|---|
| #1 | Kameda Hiroyuki | 21 |
| #2 | Nakano Daisuke | 8 |
| #3 | Yamamura Naofumi | 8 |
| #4 | Kasahara Daisuke | 7 |
| #5 | Sato Yoshikuni | 5 |
| #6 | Kato Tomoaki | 3 |
| #7 | Nakayama Katsutoshi | 2 |
| #8 | Nagasawa Satoshi | 1 |
| #9 | Musasa Mamoru | 1 |
| #10 | Kishimoto Kaori | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2013269643A1 | Ignition apparatus and ignition system | |
| US2013088140A1 | Plasma jet ignition plug | |
| US2011175514A1 | Spark plug with ground electrode having widened and narrowed width portions |