TT

Tadashi Tokuyama

Mazda Motor: 2 patents #1,722 of 4,755Top 40%
TC Tokyo Roki Co.: 2 patents #13 of 106Top 15%
Overall (All Time): #2,158,800 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
7235511 Exhaust gas purifying catalyst Tomohiko Kawamoto, Katsuyuki Fujita, Masahiko Shigetsu, Masaaki Akamine, Hisaya Kawabata +2 more 2007-06-26
6180558 Material for exhaust gas purifying catalyst, exhaust gas purifying catalyst made of the material and method for producing the exhaust gas purifying catalyst Takahiro Kurokawa, Akihide Takami, Hideharu Iwakuni, Makoto Kyogoku, Shinichi Tanioka +4 more 2001-01-30