YS

Yasuhide Sugiyama

SC Sumitomo Chemical: 1 patents #2,469 of 4,033Top 65%
📍 Tsukuba, JP: #1,768 of 2,818 inventorsTop 65%
Overall (All Time): #3,787,455 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5478871 Polyhydric phenol from naphthaldehyde and epoxy resin obtained using the same Kazuo Takebe, Takashi Morimoto, Yutaka Shiomi, Shigeki Naitoh, Noriaki Saito +2 more 1995-12-26