| 11773473 |
Heat-resistant IR alloy |
Shunsuke Yokota, Yoshinori Doi, Ken Hanashi |
2023-10-03 |
| 11505848 |
Heat-resistant Ir alloy |
Shunsuke Yokota, Kenta Terai, Hayato Yasuhara, Ken Hanashi, Ikuya Ando |
2022-11-22 |
| 11486024 |
Heat-resistant Ir alloy wire |
Shunsuke Yokota, Kenta Terai, Hayato Yasuhara, Ken Hanashi, Ikuya Ando |
2022-11-01 |
| 11131008 |
Heat-resistant Ir alloy |
Shunsuke Yokota, Yoshinori Doi, Ken Hanashi |
2021-09-28 |
| 10938186 |
Spark plug electrode and spark plug |
Ken Hanashi, Masamichi Shibata |
2021-03-02 |
| 10777974 |
Spark plug for internal combustion engine that makes re-discharge less prone to occur |
Noriaki Nishio, Masamichi Shibata, Kanechiyo Terada, Ken Hanashi, Fumiaki Aoki |
2020-09-15 |
| 10693280 |
Spark plug |
— |
2020-06-23 |
| 10505347 |
Spark plug for internal combustion engine |
Masamichi Shibata |
2019-12-10 |
| 10431960 |
Spark plug for internal combustion engine |
Ryuichi Ohno |
2019-10-01 |
| 10348060 |
Spark plug |
Tomoyuki Watanabe, Ryuichi Ohno |
2019-07-09 |
| 10050417 |
Spark plug and manufacturing method thereof |
Ken Hanashi, Tomoyuki Watanabe |
2018-08-14 |
| 9935429 |
Ignition control system |
Ken Hanashi, Tomoyuki Watanabe |
2018-04-03 |
| 9847622 |
Spark plug for an internal combustion engine |
Hidekazu Fujimoto |
2017-12-19 |