RT

Ryoichi Tamaki

KA Kao: 12 patents #167 of 3,221Top 6%
Overall (All Time): #425,841 of 4,157,543Top 15%
12
Patents All Time

Issued Patents All Time

Showing 1–12 of 12 patents

Patent #TitleCo-InventorsDate
7226500 Additive for heating asphalt Yuichi Honma, Takashi Mukai 2007-06-05
6840991 Asphalt emulsion composition Yuichi Honma, Hirotaka SASAKI 2005-01-11
6786961 Stabilizer for asphalt emulsion Yuichi Honma, Hirotaka SASAKI 2004-09-07
6667382 Polyamine Kazuo Isobe, Keiichiro Tomioka, Wataru Yoshida, Tetsuaki Fukushima, Uichiro Nishimoto 2003-12-23
6261356 Asphalt-additive composition Kazuo Isobe, Keiichiro Tomioka 2001-07-17
6114418 Nonionic emulsifier for asphalt Kazuo Isobe 2000-09-05
6048905 Liquid amine composition for emulsifiers for bitumen Katsuhiko Asamori, Shigeru Nagao, Takao Taniguchi, Keiichiro Tomioka, Kouji Koyanagi 2000-04-11
6024788 Asphalt additive Keiichiro Tomioka, Kazuo Isobe 2000-02-15
6013681 Production of bituminous emulsion and liquid amine emulsifier therefor Katsuhiko Asamori, Hitoshi Funada, Takao Taniguchi, Francisco Castaneda Juarez, Cesar Alvarez Ortiz +2 more 2000-01-11
5928418 Asphalt emulsion Katsuhiko Asamori, Hirotaka SASAKI, Hitoshi Funada, Takao Taniguchi 1999-07-27
5721296 Asphalt additive and asphalt composition Tatsuya Mizunuma, Shingo Tanaka, Hitoshi Funada, Takao Taniguchi, Hirotaka SASAKI 1998-02-24
4963190 Dispersant composition for cement Tatsuya Mizunuma, Shoji Kanzaki, Yoshiaki Tanisho, Fuzio Yamato 1990-10-16