P

Inventor

AKIYAMA SHIN-ICHI

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

NISSAN CHEMICAL IND LTD

3 patents

TOYO KASEI KOGYO CO LTD

1 patent