HW

Hamao Watanabe

YC Yuki Gosei Kogyo Co.: 4 patents #5 of 36Top 15%
📍 Kiryu City, JP: #86 of 360 inventorsTop 25%
Overall (All Time): #1,304,046 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
4727170 Dimethylphenylsilylmethylpolysilane and method for producing the same Yoichiro Nagai 1988-02-23
4727171 1,2,2-trimethyl-1-phenyl polydisilane and method for producing the same Yoichiro Nagai 1988-02-23
4716240 1,2-dichloro-1,2,2-trimethyl-1-phenyldisilane and method for producing the same Yoichiro Nagai, Yoshinori Akutsu 1987-12-29
4707557 1,1-dichloro-1,2,2-trimethyl-2-phenyldisilane and method for producing the same Yoichiro Nagai, Yoshinori Akutsu 1987-11-17