P

Inventor

OYAMA TAKAHARU

JP11 patents
⚠️ This page may combine multiple inventors who share the name “OYAMA TAKAHARU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

MIRAIAL CO LTD

8 patents

SHINETSU POLYMER CO

1 patent

OYAMA TAKAHARU

1 patent

NAGASHIMA TSUYOSHI

1 patent