IS

Ikuo Sumiyoshi

📍 Kashiwa, JP: #256 of 653 inventorsTop 40%
Overall (All Time): #1,665,402 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5040281 Method for the preparation of apparatus for application of flux — 1991-08-20
4934307 Apparatus for application of flux — 1990-06-19
4587016 Ceramic filter tubes — 1986-05-06