| 12368285 |
Spark plug |
Ayato Kawabe, Haruki Yoshida, Takeshi Sakuma |
2025-07-22 |
| 12322931 |
Spark plug |
Syoma Tsumagari, Soh Tohara, Yuichi Yamada |
2025-06-03 |
| 12249809 |
Spark plug insulator and spark plug |
Hiroki Shimada, Haruki Yoshida, Takuto Koba |
2025-03-11 |
| 12095233 |
Spark plug |
Noriyuki Tamura, Haruki Yoshida, Hiroki Shimada, Tomoya Kukino, Takuto Koba |
2024-09-17 |
| 11652335 |
Spark plug |
Seiji Nakano, Shota Takaenoki |
2023-05-16 |
| 11005237 |
Ignition plug |
Seiji Nakano, Shoma Tsumagari |
2021-05-11 |
| 10601202 |
Spark plug |
Kimihiro Nishizono, Hiroki Ota |
2020-03-24 |
| 9912126 |
Spark plug insulator containing mullite and spark plug including same |
Toshitaka Honda, Hirokazu Kurono, Ryuji Nagae |
2018-03-06 |
| 9570889 |
Spark plug |
Haruki Yoshida |
2017-02-14 |
| 9425585 |
Insulator and spark plug |
Toshimasa Saji, Hirokazu Kurono, Toshitaka Honda |
2016-08-23 |
| 9160145 |
Insulator for spark plug and spark plug |
Katsuya Takaoka, Yutaka Yokoyama, Hironori Uegaki, Hiroki Takeuchi, Hirokazu Kurono +3 more |
2015-10-13 |
| 9054501 |
Spark plug |
Hirokazu Kurono, Toshitaka Honda |
2015-06-09 |
