KD

Kei Demizu

OP Osaka Prefecture: 2 patents #11 of 59Top 20%
TC Tanaka Holdings Co.: 2 patents #6 of 18Top 35%
📍 Suita, JP: #546 of 1,253 inventorsTop 45%
Overall (All Time): #2,162,524 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
7291229 Method of surface treatment of titanium metal Eiichi Ishii, Takumi Sone, Yukihiro Sato, Hideo Kakutani, Koichi Tanaka +2 more 2007-11-06
5466305 Method of treating the surface of titanium Yukihiro Sato, Takumi Sone, Sachio Nagata, Tetsuhiro Sakata, Shinichi Tanaka 1995-11-14