KO

Keishirou Okamoto

TY Takemoto Yushi: 2 patents #50 of 157Top 35%
TA Takenaka: 2 patents #40 of 199Top 25%
📍 Inzai, JP: #26 of 75 inventorsTop 35%
Overall (All Time): #2,160,462 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
7265168 High-strength hydraulic cement compositions Kenrou Mitsui, Masarou Kojima, Toshio Yonezawa, Mitsuo Kinoshita, Masahiro Iida +2 more 2007-09-04
7259197 Ultra high-strength hydraulic cement compositions Kenrou Mitsui, Masarou Kojima, Toshio Yonezawa, Mitsuo Kinoshita, Masahiro Iida +2 more 2007-08-21