TO

Tatsuya Okumura

Ngk Spark Plug Co.: 1 patents #52 of 146Top 40%
Overall (2020): #253,472 of 565,922Top 45%
1
Patents 2020

Issued Patents 2020

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10876995 Manufacturing method of gas sensor Takehiro Oba 2020-12-29