ST

Shuzou Tokumitsu

Sumitomo Electric Industries: 3 patents #7,735 of 21,551Top 40%
📍 Kasai, JP: #2,179 of 5,842 inventorsTop 40%
Overall (All Time): #1,630,689 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6143417 Contamination-resistant float glass Takaiki Nomura, Kazufumi Ogawa, Jun Oe, Tadashi Ohtake, Tohru Nakagawa +5 more 2000-11-07
6138663 Cooking apparatus containing a window that is a contamination-resistant float glass Takaiki Nomura, Kazufumi Ogawa, Jun Oe, Tadashi Ohtake, Tohru Nakagawa +5 more 2000-10-31
5846279 Process for producting a contamination-resistant float glass Takaiki Nomura, Kazufumi Ogawa, Jun Oe, Tadashi Ohtake, Tohru Nakagawa +5 more 1998-12-08