P

Inventor

HIRAYAMA AKIYOSHI

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

UNIV KEIO

2 patents

NISHIGUCHI NAOKI

1 patent

SEKISUI CHEMICAL CO LTD

1 patent