Inventor

OSHIMA KOTARO

JP2 patents

⚠️ This page may combine multiple inventors who share the name “OSHIMA KOTARO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

DAINICHISEIKA COLOR CHEM

1 patent

US6730727B2May 4, 2004

Colored resin water distribution pipe

DAINICHISEIKA COLOR CHEM5 citations58

HIGH TECH CHEM CO LTD

1 patent

US6448312B1Sep 10, 2002

Colored resin composition for water pipe and colored water pipe

HIGH TECH CHEM CO LTD4 citations54