P

Inventor

IWAMASA KENJI

JP5 patents
⚠️ This page may combine multiple inventors who share the name “IWAMASA KENJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

MITSUI CHEMICALS INC

2 patents

OKAMOTO MASAHIKO

1 patent

SCG CHEMICALS CO LTD

1 patent

HIRASE YOSHIYUKI

1 patent