YA

Yu Akiyama

Ngk Spark Plug Co.: 2 patents #703 of 1,594Top 45%
Overall (All Time): #1,968,025 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10132774 Gas sensor control device Yasuhiro Ishiguro, Tomohisa Terui, Kazuhisa Fujibayashi 2018-11-20
9217726 Gas sensor control apparatus Yasuhiro Ishiguro, Tomohisa Terui, Kazuhisa Fujibayashi 2015-12-22