HH

Hikoya Hayatsu

SC Sumitomo Chemical: 3 patents #1,386 of 4,033Top 35%
📍 Okayama, JP: #405 of 1,590 inventorsTop 30%
Overall (All Time): #1,678,694 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4623638 Silica gel linked to a phthalocyanine compound and a method for treating polycyclic organic substances therewith Masahide Nakano, Yoshikazu Matsuo 1986-11-18
4490525 Polysaccharides containing phthalocyanine nucleus Yasuo Tezuka 1984-12-25
4460475 Method for treatment of mutagens Masahide Nakano 1984-07-17