HT

Hiroyuki Takeyama

OC Osaka Transformer Co.: 1 patents #4 of 15Top 30%
TO Toyota: 1 patents #15,335 of 26,838Top 60%
Overall (All Time): #4,044,182 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4482797 Electrode biasing welding torch Kousuke Shiramizu, Yoshiro Awano, Kenji Sakakibara, Hiroji Okada, Hiromu Yamagami 1984-11-13