P

Inventor

NAGATOMI RYOICHI

JP4 patents
⚠️ This page may combine multiple inventors who share the name “NAGATOMI RYOICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

UNIV TOHOKU

2 patents

IFG CORP

1 patent

POLA CHEM IND INC

1 patent