NK

Nobumichi KUMAMOTO

HC Hokko Chemical Industry Co.: 1 patents #4 of 23Top 20%
KC Kuraray Co.: 1 patents #45 of 131Top 35%
Overall (2021): #314,521 of 548,734Top 60%
1
Patents 2021

Issued Patents 2021

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11021499 Bis(6-methyl-3-sulphophenyl)(2-methylphenyl)phosphine, ammonium salt thereof, and method for producing same Eriko HONDA, Tatsuya Yoshikawa, Tomoaki Tsuji, Hitoshi KOIZUMI, Kyoko Sugita 2021-06-01