P

Inventor

HIRAYAMA KEIKO

JP6 patents
⚠️ This page may combine multiple inventors who share the name “HIRAYAMA KEIKO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

NTT DOCOMO INC

2 patents

YAMASAKI MASAYA

2 patents

HIRAYAMA KEIKO

1 patent

HAMAKAWA YOHEI

1 patent