Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12160089 | Spark plug | Kenji Ban, Kento Kubota | 2024-12-03 |
| 10153618 | Spark plug | Hiroyuki Kameda | 2018-12-11 |
| 10090648 | Spark plug | Hirotaka SAITO | 2018-10-02 |
| 9979162 | Plasma jet plug | Daisuke Kasahara, Yuichi Yamada | 2018-05-22 |
| 9478947 | Plasma jet spark plug | Hiroyuki Kameda, Daisuke Kasahara | 2016-10-25 |
| 9306375 | Spark plug | Keiji Ozeki, Tomoaki Kato | 2016-04-05 |
| 9276383 | Spark plug, and production method therefor | Keiji Ozeki, Tomoaki Kato, Tsutomu Kobayashi | 2016-03-01 |
| 8791627 | Spark plug configured to reduce the occurance of flashover | Keiji Ozeki | 2014-07-29 |