P

Inventor

YAMAMOTO MASACHIKA

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

SUMITOMO ELECTRIC INDUSTRIES

6 patents

HOYA CORP

1 patent

SUMITOMO ELECTRIC INDUSRIES LT

1 patent