YO

Yasutaka Ohshima

DK Denki Kagaku Kogyo: 2 patents #165 of 655Top 30%
DL Denka Company Limited: 1 patents #223 of 434Top 55%
Overall (All Time): #1,500,147 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
9827553 Alumina-based fibrous mass, process for producing same, and use Masaaki Watanabe, Masanori Hisamoto, Ryoetsu Yoshino, Kazutaka Fujita, Masataka Eguchi +3 more 2017-11-28
8383714 Alumina fiber aggregate, process for producing the same, and use thereof Isamu Hirano, Takayuki Higuchi 2013-02-26
8273816 Alumina fiber aggregate, process for producing the same, and use thereof Isamu Hirano, Takayuki Higuchi 2012-09-25