P

Inventor

OHKAWARA MASAAKI

JP13 patents
⚠️ This page may combine multiple inventors who share the name “OHKAWARA MASAAKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

OGAWARA KAKOKI KK

8 patents

TDK CORP

4 patents

OHKAWARA KAKOHKI KABUSHIKI KAI

1 patent