P

Inventor

KOYANAGAWA TAKASHI

JP8 patents
⚠️ This page may combine multiple inventors who share the name “KOYANAGAWA TAKASHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

TOSHIBA KK

5 patents

SHIMOKAWA KAZUO

1 patent

SONY CORP

1 patent

HAPPOYA AKIHIKO

1 patent