TU

Toshikatsu Umaba

SC Sakai Chemical Industry Co.: 11 patents #9 of 227Top 4%
MM Mitsubishi Mining: 4 patents #189 of 2,247Top 9%
CC Catalysts & Chemicals Industries Co.: 2 patents #35 of 128Top 30%
ML Mitsubishi Petrochemical Company Limited: 2 patents #172 of 670Top 30%
MC Mitsubishi Petrochemical Engineering Co.: 2 patents #7 of 36Top 20%
SC Sanyo Electric Co.: 1 patents #3,644 of 6,347Top 60%
Overall (All Time): #458,991 of 4,157,543Top 15%
11
Patents All Time

Issued Patents All Time

Showing 1–11 of 11 patents

Patent #TitleCo-InventorsDate
10035132 Polycondensation catalyst for producing polyester and method for producing polyester using the same Hiromitsu Shimizu, Kenji Mori, Keiichi Tabata 2018-07-31
9981248 Polycondensation catalyst for producing polyester and method for producing polyester using the same Hiromitsu Shimizu, Kenji Mori, Keiichi Tabata 2018-05-29
8956995 Catalyst and method for thermal decomposition of organic substance and method for producing such catalyst Mitsuru Masatsugu, Itsushi Kashimoto 2015-02-17
7325931 Projection type video display Takashi Ikeda, Kenji Tateishi, Atsuki Terabe, Johji Ikeda 2008-02-05
5582809 Catalyst and method for denitrization of nitrogen oxides Hiroaki Rikimaru, Yoshiyuki Yoshikawa 1996-12-10
4977127 Catalyst for denitrizing nitrogen oxides contained in waste gases Hiroaki Rikimaru, Tadao Nakatsuji, Kazuhiko Nagano, Kazuya Mishina, Hiromitsu Shimizu 1990-12-11
4952381 Method for denitrizing nitrogen oxides contained in waste gas Horiaki Rikimaru, Tadao Nakatsuji, Kazuhiko Nagano, Kazuya Mishina, Hiromitsu Shimizu +11 more 1990-08-28
4892716 Molded catalyst and method of catalytic gas reactions using the same Kazunobu Abe 1990-01-09
4859439 Catalyst and a method for denitrizing nitrogen oxides contained in waste gases Hiroaki Rikimaru, Tadao Nakatsuji, Kuzuhiko Nagano, Kazuya Mishina, Hiromitsu Shimizu 1989-08-22
4755500 Molded catalyst for catalytic gas reactions Kazunobu Abe 1988-07-05
4297248 Method for packing catalysts Kazunobu Abe, Tadao Nakatsuji 1981-10-27