HM

Hajime Maki

SC Sumitomo Chemical: 7 patents #703 of 4,033Top 20%
📍 Niihama, JP: #103 of 473 inventorsTop 25%
Overall (All Time): #748,786 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
8021451 Fine α-alumina particle Yoshiaki Takeuchi 2011-09-20
7858067 Method for producing alpha-alumina particle Yoshiaki Takeuchi 2010-12-28
7691362 Method for producing an α-alumina power Yoshiaki Takeuchi, Kazuhisa Kajihara 2010-04-06
7674525 Process for producing fine α-alumina particles Yoshiaki Takeuchi, Yuzuru Saitou 2010-03-09
7351394 Method for producing α-alumina powder Yoshiaki Takeuchi 2008-04-01
7307033 Method for producing α-alumina particulate Yoshiaki Takeuchi 2007-12-11
7078010 Method for producing α-alumina powder Yoshiaki Takeuchi, Kazuhisa Kajihara 2006-07-18