YK

Yoji Kajikawa

Sumitomo Electric Industries: 1 patents #327 of 1,127Top 30%
Overall (1989): #41,068 of 140,708Top 30%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4869978 Cylindrical alkaline batteries Isao Kubo, Toshikazu Kaneko, Hirofumi Iwaki, Junichi Asaoka, Jun Miyoshi 1989-09-26