| 10879675 |
Spark plug |
Haruki Yoshida, Kuniharu Tanaka, Yutaka Yokoyama, Shun Kondo, Toshimasa Saji |
2020-12-29 |
| 10751923 |
Spark plug insulator production method, insulator, molding die |
Hironori Uegaki, Toshitaka Honda, Hiroyuki Hazama, Kuniharu Tanaka, Hiroyuki Kawaji |
2020-08-25 |
| 10637212 |
Method for manufacturing insulator for spark plug |
Hironori Uegaki, Toshitaka Honda, Hiroyuki Hazama |
2020-04-28 |
| 10424901 |
Spark plug |
Jumpei Isasa, Seiji Nakano, Kuniharu Tanaka, Yutaka Yokoyama, Haruki Yoshida +1 more |
2019-09-24 |
| 10340667 |
Spark plug |
Toshinori Takeichi, Kuniharu Tanaka, Haruki Yoshida, Hironori Uegaki |
2019-07-02 |
| 10277012 |
Spark plug including a magnetic substance and a conductor disposed thereon |
Kazuhiro Kurosawa, Katsuya Takaoka, Kota Yokoyama, Kuniharu Tanaka, Hironori Uegaki |
2019-04-30 |
| 10270228 |
Spark plug |
Kazuhiro Kurosawa, Katsuya Takaoka, Kota Yokoyama, Kuniharu Tanaka, Hironori Uegaki |
2019-04-23 |
| 10205305 |
Spark plug |
Hironori Uegaki, Jumpei Kita |
2019-02-12 |
| 10193311 |
Spark plug |
Yutaka Yokoyama, Kuniharu Tanaka, Nobuyoshi Araki, Toshimasa Saji, Yusuke Nomura +1 more |
2019-01-29 |
| 10153619 |
Spark plug |
Hironori Uegaki, Haruki Yoshida |
2018-12-11 |
| 10090646 |
Spark plug |
Katsuya Takaoka, Kazuhiro Kurosawa, Kuniharu Tanaka, Hisashi KOZUKA, Toshitaka Honda +2 more |
2018-10-02 |
| 10084288 |
Spark plug |
Hironori Uegaki, Seiji Nakano |
2018-09-25 |
| 9912126 |
Spark plug insulator containing mullite and spark plug including same |
Kengo Fujimura, Toshitaka Honda, Ryuji Nagae |
2018-03-06 |
| 9653888 |
Spark plug |
Yutaka Yokoyama, Kuniharu Tanaka, Katsuya Takaoka, Shun Kondo, Nobuyoshi Araki +6 more |
2017-05-16 |
| 9595814 |
Spark plug |
Takashi KASASHIMA, Katsuya Takaoka, Kazuhiro Kurosawa, Kuniharu Tanaka, Toshitaka Honda +2 more |
2017-03-14 |
| 9590395 |
Spark plug |
Katsuya Takaoka, Kazuhiro Kurosawa, Kuniharu Tanaka, Toshitaka Honda, Haruki Yoshida +1 more |
2017-03-07 |
| 9466951 |
Spark plug |
Katsuya Takaoka, Hironori Uegaki, Toshitaka Honda |
2016-10-11 |
| 9425585 |
Insulator and spark plug |
Kengo Fujimura, Toshimasa Saji, Toshitaka Honda |
2016-08-23 |
| 9385511 |
Spark plug |
Hiroki Takeuchi, Yutaka Yokoyama, Kuniharu Tanaka, Takeshi Mitsuoka, Toshitaka Honda +2 more |
2016-07-05 |
| 9373940 |
Spark plug |
Katsuya Takaoka, Kazuhiro Kurosawa, Kuniharu Tanaka, Haruki Yoshida, Toshitaka Honda |
2016-06-21 |
| 9362722 |
Spark plug with improved withstand voltage characteristics and high mechanical strength at high temperatures |
Katsuya Takaoka, Toshitaka Honda, Syuuichiro Wakizoe, Mitsushiro Kondo |
2016-06-07 |
| 9281662 |
Spark plug |
Katsuya Takaoka, Kazuhiro Kurosawa, Kuniharu Tanaka, Haruki Yoshida, Toshitaka Honda |
2016-03-08 |
| 9160145 |
Insulator for spark plug and spark plug |
Katsuya Takaoka, Yutaka Yokoyama, Kengo Fujimura, Hironori Uegaki, Hiroki Takeuchi +3 more |
2015-10-13 |
| 9077157 |
Ignition plug having a rear trunk portion that provides sufficient strength |
Toshitaka Honda |
2015-07-07 |
| 9054501 |
Spark plug |
Kengo Fujimura, Toshitaka Honda |
2015-06-09 |
