Arimitsu Ishii

JEJfe Engineering: 1 patents #11 of 75Top 15%

UNUnknown: 1 patents #29,356 of 83,584Top 40%

Overall (All Time): #3,413,776 of 4,157,543Top 85%

1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
7029580	Apparatus for concentrating sludge	Kiyoshi Suzuki, Kinichiro Kouno, Takashi Etou, Itaru Sakai, Satoru Udagawa	2006-04-18