TO

Takehiro Oba

Ngk Spark Plug Co.: 2 patents #4 of 87Top 5%
Overall (2022): #105,821 of 548,613Top 20%
2
Patents 2022

Issued Patents 2022

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11467121 Manufacturing method of gas sensor Tatsuya Okumura 2022-10-11
11313825 Gas sensor and method of manufacturing the same Sunchao LIU 2022-04-26