AO

Akiyasu Okuno

Ngk Spark Plug Co.: 1 patents #6 of 18Top 35%
Overall (1982): #77,541 of 81,411Top 100%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4336216 Process for producing silicon carbide heating elements Masakazu Watanabe, Yasushi Matsuo 1982-06-22