SI

Shikiho Itaya

MI Mitsui Petrochemical Industries: 3 patents #226 of 1,024Top 25%
CC Catalysts & Chemicals Industries Co.: 1 patents #56 of 128Top 45%
MC Mitsui Engineering & Shipbuilding Co.: 1 patents #166 of 496Top 35%
Overall (All Time): #1,686,066 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4305910 Catalytic reaction for reduction of nitrogen oxide Hiroshi Kudo, Yasuaki Ishida, Ryoichi Yamamoto 1981-12-15
4241220 Process for producing terephthalic acid Takenori Nagaoka, Teruo Itoh, Yukimasa Shigemura, Shigemi Shiraki 1980-12-23
4188365 Process for catalytic vapor phase reduction of nitrogen oxides and catalyst composition used therefor Toshihiro Yoshioka, Yusaku Arima, Hirokazu Tanaka 1980-02-12