YI

Yuichi Ishikawa

NC Nippon Seiko Co.: 1 patents #18 of 67Top 30%
Overall (1989): #39,723 of 140,708Top 30%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4841408 Electroconductive sliding apparatus Shigeki Matsunaga, Masachi Hosoya 1989-06-20