OY

Osamu Yoshimoto

Ngk Spark Plug Co.: 2 patents #38 of 203Top 20%
HI Hitachi: 1 patents #427 of 1,326Top 35%
Overall (2017): #117,878 of 506,227Top 25%
2
Patents 2017

Issued Patents 2017

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
9783872 Electrode material and spark plug Tomonori Kanemaru, Takehito Kuno, Tomo Tanaka, Toshihiro Uehara 2017-10-10
9548593 Spark plug Tomonori Kanemaru, Daisuke Sumoyama 2017-01-17