YK

Yoshito Kojima

Ngk Spark Plug Co.: 1 patents #10 of 87Top 15%
Overall (2022): #197,875 of 548,613Top 40%
1
Patents 2022

Issued Patents 2022

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11299431 Ceramic sintered body, insert, cutting tool, and friction stir welding tool Hiroshi Yonekura, Yusuke Katsu, Takeshi Mitsuoka 2022-04-12