SK

Shigeyuki Kawamata

KA Kao: 4 patents #816 of 3,221Top 30%
YC Yoshino Kogyosho Co.: 3 patents #117 of 361Top 35%
Overall (All Time): #1,235,999 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
8333509 Bag container Koichi Sagara, Yoshinori Inagawa, Takao Kurosawa, Shigeo Kamata 2012-12-18
D608643 Container bottom Koichi Sagara, Susumu Fujinami, Shigeo Kamata 2010-01-26
D599664 Top portion of a container Susumu Fujinami, Koichi Sagara, Shigeo Kamata 2009-09-08
6193416 Gusseted bag Michiaki Fujita 2001-02-27