KO

Keiji Ohki

KC Katayama Chemical: 1 patents #15 of 42Top 40%
MC Mitsubishi Gas Chemical Company: 1 patents #1,048 of 1,727Top 65%
Overall (All Time): #3,624,766 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6106770 Method for preventing obstruction in aluminum brass pipes in a water flow path Kunio Nishimura, Yoshiharu Wakao 2000-08-22