TK

Tomonori Kanemaru

Ngk Spark Plug Co.: 7 patents #254 of 1,594Top 20%
HI Hitachi: 1 patents #17,742 of 28,497Top 65%
Overall (All Time): #728,163 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
9985418 Spark plug 2018-05-29
9783872 Electrode material and spark plug Osamu Yoshimoto, Takehito Kuno, Tomo Tanaka, Toshihiro Uehara 2017-10-10
9627857 Spark plug Daisuke Sumoyama 2017-04-18
9548593 Spark plug Daisuke Sumoyama, Osamu Yoshimoto 2017-01-17
9343876 Spark plug Osamu Yoshimoto, Takehito Kuno, Tomoo Tanaka 2016-05-17
9197036 Spark plug Daisuke Sumoyama 2015-11-24
8523625 Method of manufacturing spark plug Osamu Yoshimoto, Takaaki Kikai, Masahiro Inoue 2013-09-03