AY

Akira Yamaoka

IJ Ishikawajima-Harima Jukogyo: 1 patents #4 of 34Top 15%
Overall (1982): #77,459 of 81,411Top 100%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4366362 All position TIG welding process Ichiro Ohta, Akio Tejima, Masayuki Watando, Kouzi Ishiwata, Minoru Yamada 1982-12-28