KN

Koichi Naoi

CC Citizen Watch Co.: 1 patents #9 of 63Top 15%
Overall (1997): #116,803 of 185,788Top 65%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5607779 Hard carbon coating-clad base material — 1997-03-04