P

Inventor

KOYAMA SACHIKO

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

SONY CORP

8 patents

NIFCO INC

3 patents

SAKATA TATSUYA

2 patents

HITACHI LTD

1 patent

C/O SONY CORP

1 patent