P

Inventor

YOSHIOKA ISSEI

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

SEIWA KASEI CO LTD

3 patents

ASAHI KASEI PHARMA CORP

2 patents

KOUZUMA TAKUJI

1 patent