KS

Kouju Sugiyama

RC Rengo Co.: 5 patents #5 of 118Top 5%
Overall (All Time): #971,731 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
10619093 Photoluminescent material Kaoru Yamaguchi, Shinji FUJIKI, Minoru MATSUKURA, Shogo Fujiwara, Fumio Kurosaki +2 more 2020-04-14
8491141 Photoluminescent material containing silver ion Wuxian Zhang, Kaoru Yamaguchi 2013-07-23
6372333 Composition containing inorganic porous crystals-hydrophilic macromolecule composite and product made therefrom Maki Nakano, Takaaki Utsunomiya, Yoshinobu Fujimoto 2002-04-16
5981052 Inorganic porous crystals-hydrophilic macromolecule composite 1999-11-09
5439866 Silver-containing tobermorite Naokazu Sakoda 1995-08-08