FT

Fumikazu Tateiwa

MI Ministry Of International Trade & Industry: 1 patents #189 of 582Top 35%
AT Agency Of Industrial Science And Technology: 1 patents #568 of 1,778Top 35%
Overall (All Time): #4,044,926 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4485287 Method of making a hole in a thick-walled metal material Masanobu Hamasaki 1984-11-27