SS

Shinzo Seko

SC Sumitomo Chemical: 32 patents #52 of 4,033Top 2%
SC Sumitomo Seika Chemicals Co.: 1 patents #180 of 365Top 50%
Overall (All Time): #114,083 of 4,157,543Top 3%
32
Patents All Time

Issued Patents All Time

Showing 26–32 of 32 patents

Patent #TitleCo-InventorsDate
5880291 Process for producing optically active azetidine-2-carboxylic acid Hideki Ushio, Naoyuki Takano, Yukihiro Honda, Motoo Hazama 1999-03-09
5756769 Method for producing propargylamine compounds Akihiko Nakamura, Motoo Hazama 1998-05-26
5648496 Process for producing aminonitropyridines Kunihito Miyake 1997-07-15
5639895 Process for producing .beta.-nitroenamine 1997-06-17
5597940 Process for producing .beta.-nitroenamine 1997-01-28
5466871 Process for preparing nitroaniline derivatives 1995-11-14
5412106 Process for production of 2-thiophene aldehydes Kazuyoshi Yamashita, Kenji Saito 1995-05-02