HT

Hirotaka Tsukamatsu

Ngk Spark Plug Co.: 1 patents #72 of 203Top 40%
Overall (2017): #400,282 of 506,227Top 80%
1
Patents 2017

Issued Patents 2017

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9689834 Gas sensor Shun Sakuma, Shigeki Mori, Masaki Mizutani, Yuichi Yamada, Shohei Yoshiyasu +1 more 2017-06-27