TT

Toshihiro Tanuma

AC Asahi Glass Co.: 23 patents #35 of 2,251Top 2%
AG Agc: 3 patents #235 of 954Top 25%
PA Panasonic: 3 patents #7,617 of 21,108Top 40%
General Motors: 1 patents #9,361 of 18,328Top 55%
Overall (All Time): #142,792 of 4,157,543Top 4%
27
Patents All Time

Issued Patents All Time

Showing 26–27 of 27 patents

Patent #TitleCo-InventorsDate
5227547 Method for producing dichloropentafluoropropanes Keiichi Ohnishi, Hidekazu Okamoto, Koichi Yanase, Toru Kawasaki, Ryutaro Takei 1993-07-13
5220084 Method for producing dichloropentafluoropropanes Keiichi Ohnishi, Hidekazu Okamoto, Koichi Yanase, Toru Kawasaki, Ryutaro Takei 1993-06-15