EI

Eiichi Iishi

SC Sumika Fine Chemicals Co.: 6 patents #8 of 59Top 15%
SC Sumitomo Chemical: 1 patents #2,469 of 4,033Top 65%
Overall (All Time): #754,576 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
7297790 Anhydrous mirtazapine crystals and process for preparing the same Yoshiyuki Imamiya 2007-11-20
6723845 Anhydrous mirtazapine crystals and process for preparing the same Yoshiyuki Imamiya 2004-04-20
6660730 Anhydrous mirtazapine and process for preparing the same Chiharu Maeda, Sadanobu Yoshikawa 2003-12-09
6552189 Anhydrous mirtazapine crystals and process for preparing the same Yoshiyuki Imamiya 2003-04-22
6495685 Process for preparing piperazine derivatives Chiharu Maeda, Weiqi Wang, Yoshiyuki Imamiya 2002-12-17
6437120 Process for preparing pyridinemethanol compounds Kanami Yoshikawa 2002-08-20
6376668 Process for preparing pyridinemethanol compounds Kanami Yoshikawa 2002-04-23