P

Inventor

YATSUKA TAKESHI

JP15 patents
⚠️ This page may combine multiple inventors who share the name “YATSUKA TAKESHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

TOYO BOSEKI

12 patents

ASHLAND OIL INC

1 patent

YATSUKA TAKESHI

1 patent

ITO CHIHO

1 patent