TA

Takashi Atsumi

SA Showa Aluminum: 1 patents #18 of 39Top 50%
Overall (1989): #53,860 of 140,708Top 40%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4866479 Photosensitive drums Ichizo Tsukuda, Masao Yokoyama 1989-09-12