Issued Patents All Time
Showing 1–25 of 50 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10522978 | Ignition plug and ignition system including the same | Taichiro Tamida, Takahiro Inoue, Takashi Hashimoto, Akira Nakagawa, Tomokazu SAKASHITA +4 more | 2019-12-31 |
| 10153618 | Spark plug | Naoyuki Mukoyama | 2018-12-11 |
| 9775227 | Non-thermal equilibrium plasma ignition plug and non-thermal equilibrium plasma ignition device | Kenji Ban, Kohei Usami | 2017-09-26 |
| 9478947 | Plasma jet spark plug | Naoyuki Mukoyama, Daisuke Kasahara | 2016-10-25 |
| 9466952 | Spark plug | — | 2016-10-11 |
| 9420137 | Image-reading apparatus, image-processing method, and computer program product | Kiyoto Kosaka, Kazuaki Umi | 2016-08-16 |
| 9133812 | Ignition apparatus and ignition system | — | 2015-09-15 |
| 9016253 | Spark plug for internal combustion engine | Kaori Kishimoto, Katsutoshi Nakayama, Tomoaki Aoki | 2015-04-28 |
| 8987990 | Plasma jet spark plug and ignition system | Daisuke Nakano, Naofumi Yamamura | 2015-03-24 |
| 8853929 | Plasma jet ignition plug | Daisuke Nakano, Naofumi Yamamura, Daisuke Kasahara, Yoshikuni Sato | 2014-10-07 |
| 8847494 | Ignition system for plasma jet ignition plug | Daisuke Nakano | 2014-09-30 |
| 8736917 | Overhead image-reading apparatus image processing method, and computer program product | Ikuo Murata, Naofumi Kado | 2014-05-27 |
| 8640666 | Spark plug for internal combustion engine | Katsutoshi Nakayama, Kaori Kishimoto, Tomoaki Kato | 2014-02-04 |
| 8629605 | Spark plug having shaped insulator | Kohei Katsuraya, Katsutoshi Nakayama | 2014-01-14 |
| 8575828 | Spark plug | — | 2013-11-05 |
| 8558441 | Plasma jet ignition plug | Daisuke Nakano, Yoshikuni Sato, Naohumi Yamamura, Daisuke Kasahara | 2013-10-15 |
| 8558442 | Plasma jet ignition plug | — | 2013-10-15 |
| 8536770 | Plasma jet spark plug | Yoshikuni Sato, Daisuke Nakano, Naofumi Yamamura, Daisuke Kasahara | 2013-09-17 |
| 8528531 | Ignition apparatus of plasma jet ignition plug | Daisuke Nakano, Yoshikuni Sato, Naofumi Yamamura, Daisuke Kasahara | 2013-09-10 |
| 8441177 | Plasma jet ignition plug | — | 2013-05-14 |
| 8350455 | Spark plug including ground electrode having a protrusion and a hole | Kohei Katsuraya | 2013-01-08 |
| 8324791 | Spark plug for internal combustion engine | Mamoru Musasa | 2012-12-04 |
| 8319409 | Spark plug with ground electrode having widened and narrowed width portions | — | 2012-11-27 |
| 8264132 | Plasma jet ignition plug | Naofumi Yamamura, Daisuke Kasahara | 2012-09-11 |
| 8253313 | Spark plug and manufacturing method thereof | Masahiro Inoue | 2012-08-28 |