P

Inventor

AKIYAMA SEIJI

JP9 patents
⚠️ This page may combine multiple inventors who share the name “AKIYAMA SEIJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

MITSUBISHI CHEM CORP

5 patents

MITSUBISHI HEAVY IND LTD

2 patents

TOYO JOZO KK

1 patent

FUJITSU TEN LTD

1 patent