P

Inventor

YAMAOKA SHIGENORI

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

SUMITOMO BAKELITE CO

2 patents

SONY CORP

1 patent

KURARAY CO

1 patent

FUJISAWA KATSUYA

1 patent