KT

Ken Tanaka

IC Idemitsu Petrochemical Co.: 2 patents #1 of 35Top 3%
Overall (1997): #33,268 of 185,788Top 20%
2
Patents 1997

Issued Patents 1997

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5645905 Snap zipper Toyokazu Takubo 1997-07-08
5603995 Snap zipper and bag with the same Toyokazu Takubo 1997-02-18