HN

Hiroshi Narai

NC Nippon Seiko Co.: 1 patents #1 of 4Top 25%
Overall (1994): #125,037 of 165,921Top 80%
1
Patents 1994

Issued Patents 1994

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5298323 Bearing steel and rolling bearing made thereof Tsutomu Abe, Shigeru Okita 1994-03-29