MI

Masamitsu Ishitobi

SC Sumitomo Chemical: 7 patents #703 of 4,033Top 20%
📍 Tsukuba, JP: #565 of 2,818 inventorsTop 25%
Overall (All Time): #738,179 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
9011994 Gas-barrier multilayer film Akira Hasegawa, Toshiya Kuroda, Takashi Sanada, Toshihiko Tanaka 2015-04-21
7135579 Dibenzothiophene oxide compound, and process for producing the same Chizu Sekine, Koichi Fujisawa, Kazunori Iwakura, Masayoshi Minai 2006-11-14
6994921 Polymeric fluorescent substance and polymer light emitting device Takanobu Noguchi, Masato Ueda 2006-02-07
6849202 COMPOUND HAVING PHENYLACETYLENE STRUCTURE, LIQUID CRYSTAL COMPOSITION, POLYMER, OPTICALLY ANISOTROPIC PRODUCT, OPTICAL OR LIQUID CRYSTAL ELEMENT, DIBENZOTHIOPHENE COMPOUND, INTERMEDIATE, AND PROCESS FOR PRODUCING THE SAME Chizu Sekine, Koichi Fujisawa, Kazunori Iwakura, Masayoshi Minai 2005-02-01
6403237 Polymeric fluorescent substance and organic electroluminescence device Takanobu Noguchi, Makoto Kitano 2002-06-11
5980781 Polymeric fluorescent substance and organic electroluminescence device Shuji Doi, Takanobu Noguchi, Toshihiro Ohnishi 1999-11-09
5759709 Polymeric fluorescent substance and organic electroluminescence device Shuji Doi, Takanobu Noguchi, Toshihiro Ohnishi 1998-06-02