Inventor

KOYAMA KOUJI

JP3 patents

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

SUMITOMO CHEMICAL CO

1 patent

US6649104B2Nov 18, 2003

Acrylic resin film and laminated film comprising the same

SUMITOMO CHEMICAL CO37 citations86

NISSEI ASB MACHINE CO LTD

1 patent

US11597133B2Mar 7, 2023

Molded article extracting device

NISSEI ASB MACHINE CO LTD0 citations38

KOYAMA KOUJI

1 patent

US8104332B2Jan 31, 2012

Probe and cantilever

KOYAMA KOUJI0 citations37